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https://github.com/reactos/reactos.git
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555 lines
16 KiB
C
555 lines
16 KiB
C
/*
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* PROJECT: Ports installer library
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* LICENSE: GPL - See COPYING in the top level directory
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* FILE: dll\win32\msports\parallel.c
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* PURPOSE: Parallel Port property functions
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* COPYRIGHT: Copyright 2013 Eric Kohl
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*/
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#include "precomp.h"
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typedef struct _PORT_DATA
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{
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HDEVINFO DeviceInfoSet;
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PSP_DEVINFO_DATA DeviceInfoData;
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WCHAR szPortName[16];
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DWORD dwPortNumber;
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DWORD dwFilterResourceMethod;
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DWORD dwLegacy;
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} PORT_DATA, *PPORT_DATA;
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static
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VOID
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GetUsedPorts(
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PDWORD pPortMap)
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{
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WCHAR szDeviceName[64];
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WCHAR szDosDeviceName[64];
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DWORD dwIndex, dwType, dwPortNumber;
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DWORD dwDeviceNameSize, dwDosDeviceNameSize;
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PWSTR ptr;
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HKEY hKey;
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DWORD dwError;
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*pPortMap = 0;
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dwError = RegOpenKeyExW(HKEY_LOCAL_MACHINE,
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L"Hardware\\DeviceMap\\PARALLEL PORTS",
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0,
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KEY_READ,
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&hKey);
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if (dwError == ERROR_SUCCESS)
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{
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for (dwIndex = 0; ; dwIndex++)
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{
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dwDeviceNameSize = ARRAYSIZE(szDeviceName);
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dwDosDeviceNameSize = sizeof(szDosDeviceName);
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dwError = RegEnumValueW(hKey,
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dwIndex,
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szDeviceName,
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&dwDeviceNameSize,
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NULL,
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&dwType,
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(LPBYTE)szDosDeviceName,
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&dwDosDeviceNameSize);
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if (dwError != ERROR_SUCCESS)
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break;
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if (dwType == REG_SZ)
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{
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TRACE("%S --> %S\n", szDeviceName, szDosDeviceName);
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if (_wcsnicmp(szDosDeviceName, L"\\DosDevices\\LPT", wcslen(L"\\DosDevices\\LPT")) == 0)
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{
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ptr = szDosDeviceName + wcslen(L"\\DosDevices\\LPT");
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if (wcschr(ptr, L'.') == NULL)
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{
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TRACE("Device number %S\n", ptr);
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dwPortNumber = wcstoul(ptr, NULL, 10);
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if (dwPortNumber != 0)
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{
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*pPortMap |=(1 << dwPortNumber);
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}
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}
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}
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}
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}
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RegCloseKey(hKey);
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}
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TRACE("Done\n");
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}
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static
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VOID
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ReadPortSettings(
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PPORT_DATA pPortData)
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{
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DWORD dwSize;
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HKEY hKey;
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DWORD dwError;
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TRACE("ReadPortSettings(%p)\n", pPortData);
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pPortData->dwFilterResourceMethod = 1; /* Never use an interrupt */
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pPortData->dwLegacy = 0; /* Disabled */
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pPortData->dwPortNumber = 0; /* Unknown */
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hKey = SetupDiOpenDevRegKey(pPortData->DeviceInfoSet,
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pPortData->DeviceInfoData,
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DICS_FLAG_GLOBAL,
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0,
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DIREG_DEV,
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KEY_READ);
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if (hKey != INVALID_HANDLE_VALUE)
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{
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dwSize = sizeof(pPortData->szPortName);
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dwError = RegQueryValueExW(hKey,
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L"PortName",
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NULL,
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NULL,
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(PBYTE)pPortData->szPortName,
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&dwSize);
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if (dwError != ERROR_SUCCESS)
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{
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ERR("RegQueryValueExW failed (Error %lu)\n", dwError);
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}
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dwSize = sizeof(pPortData->dwFilterResourceMethod);
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dwError = RegQueryValueExW(hKey,
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L"FilterResourceMethod",
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NULL,
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NULL,
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(PBYTE)&pPortData->dwFilterResourceMethod,
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&dwSize);
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if (dwError != ERROR_SUCCESS)
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{
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ERR("RegQueryValueExW failed (Error %lu)\n", dwError);
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}
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RegCloseKey(hKey);
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}
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dwError = RegOpenKeyExW(HKEY_LOCAL_MACHINE,
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L"SYSTEM\\CurrentControlSet\\Services\\Parport\\Parameters",
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0,
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KEY_READ,
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&hKey);
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if (dwError == ERROR_SUCCESS)
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{
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dwSize = sizeof(pPortData->dwLegacy);
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dwError = RegQueryValueExW(hKey,
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L"ParEnableLegacyZip",
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NULL,
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NULL,
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(PBYTE)&pPortData->dwLegacy,
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&dwSize);
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if (dwError != ERROR_SUCCESS)
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{
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ERR("RegQueryValueExW failed (Error %lu)\n", dwError);
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}
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RegCloseKey(hKey);
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}
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}
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static
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DWORD
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ChangePortNumber(
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_In_ PPORT_DATA pPortData,
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_In_ DWORD dwNewPortNumber)
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{
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WCHAR szDeviceDescription[256];
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WCHAR szFriendlyName[256];
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WCHAR szNewPortName[16];
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HKEY hDeviceKey = INVALID_HANDLE_VALUE;
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DWORD dwError;
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/* We are done if old and new port number are the same */
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if (pPortData->dwPortNumber == dwNewPortNumber)
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return ERROR_SUCCESS;
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/* Build the new port name */
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swprintf(szNewPortName, L"LPT%lu", dwNewPortNumber);
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/* Open the devices hardware key */
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hDeviceKey = SetupDiOpenDevRegKey(pPortData->DeviceInfoSet,
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pPortData->DeviceInfoData,
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DICS_FLAG_GLOBAL,
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0,
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DIREG_DEV,
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KEY_READ | KEY_WRITE);
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if (hDeviceKey == INVALID_HANDLE_VALUE)
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{
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return GetLastError();
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}
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/* Set the new 'PortName' value */
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dwError = RegSetValueExW(hDeviceKey,
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L"PortName",
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0,
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REG_SZ,
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(LPBYTE)szNewPortName,
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(wcslen(szNewPortName) + 1) * sizeof(WCHAR));
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if (dwError != ERROR_SUCCESS)
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goto done;
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/* Save the new port name and number */
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wcscpy(pPortData->szPortName, szNewPortName);
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pPortData->dwPortNumber = dwNewPortNumber;
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/* Get the device description... */
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if (SetupDiGetDeviceRegistryProperty(pPortData->DeviceInfoSet,
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pPortData->DeviceInfoData,
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SPDRP_DEVICEDESC,
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NULL,
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(PBYTE)szDeviceDescription,
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sizeof(szDeviceDescription),
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NULL))
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{
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/* ... and use it to build a new friendly name */
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swprintf(szFriendlyName,
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L"%s (%s)",
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szDeviceDescription,
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szNewPortName);
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}
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else
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{
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/* ... or build a generic friendly name */
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swprintf(szFriendlyName,
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L"Parallel Port (%s)",
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szNewPortName);
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}
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/* Set the friendly name for the device */
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SetupDiSetDeviceRegistryProperty(pPortData->DeviceInfoSet,
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pPortData->DeviceInfoData,
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SPDRP_FRIENDLYNAME,
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(PBYTE)szFriendlyName,
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(wcslen(szFriendlyName) + 1) * sizeof(WCHAR));
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done:
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if (hDeviceKey != INVALID_HANDLE_VALUE)
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RegCloseKey(hDeviceKey);
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return dwError;
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}
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static
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VOID
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WritePortSettings(
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HWND hwnd,
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PPORT_DATA pPortData)
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{
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DWORD dwDisposition;
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DWORD dwFilterResourceMethod;
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DWORD dwLegacy;
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DWORD dwPortNumber;
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DWORD dwPortMap;
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HKEY hKey;
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DWORD dwError;
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TRACE("WritePortSettings(%p)\n", pPortData);
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dwFilterResourceMethod = 1;
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if (Button_GetCheck(GetDlgItem(hwnd, IDC_TRY_INTERRUPT)) == BST_CHECKED)
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dwFilterResourceMethod = 0;
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else if (Button_GetCheck(GetDlgItem(hwnd, IDC_NEVER_INTERRUPT)) == BST_CHECKED)
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dwFilterResourceMethod = 1;
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else if (Button_GetCheck(GetDlgItem(hwnd, IDC_ANY_INTERRUPT)) == BST_CHECKED)
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dwFilterResourceMethod = 2;
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if (dwFilterResourceMethod != pPortData->dwFilterResourceMethod)
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{
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hKey = SetupDiOpenDevRegKey(pPortData->DeviceInfoSet,
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pPortData->DeviceInfoData,
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DICS_FLAG_GLOBAL,
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0,
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DIREG_DEV,
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KEY_WRITE);
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if (hKey != INVALID_HANDLE_VALUE)
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{
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dwError = RegSetValueExW(hKey,
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L"FilterResourceMethod",
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0,
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REG_DWORD,
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(PBYTE)&dwFilterResourceMethod,
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sizeof(dwFilterResourceMethod));
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if (dwError != ERROR_SUCCESS)
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{
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ERR("RegSetValueExW failed (Error %lu)\n", dwError);
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}
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RegCloseKey(hKey);
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pPortData->dwFilterResourceMethod = dwFilterResourceMethod;
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}
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}
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dwLegacy = 0;
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if (Button_GetCheck(GetDlgItem(hwnd, IDC_PARALLEL_LEGACY)) == BST_CHECKED)
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dwLegacy = 1;
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if (dwLegacy != pPortData->dwLegacy)
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{
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dwError = RegCreateKeyExW(HKEY_LOCAL_MACHINE,
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L"SYSTEM\\CurrentControlSet\\Services\\Parport\\Parameters",
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0,
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NULL,
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REG_OPTION_NON_VOLATILE,
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KEY_WRITE,
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NULL,
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&hKey,
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&dwDisposition);
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if (dwError == ERROR_SUCCESS)
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{
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dwError = RegSetValueExW(hKey,
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L"ParEnableLegacyZip",
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0,
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REG_DWORD,
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(LPBYTE)&dwLegacy,
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sizeof(dwLegacy));
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RegCloseKey(hKey);
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if (dwError == ERROR_SUCCESS)
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{
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FIXME("Notify the driver!\n");
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pPortData->dwLegacy = dwLegacy;
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}
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}
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}
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dwPortNumber = ComboBox_GetCurSel(GetDlgItem(hwnd, IDC_PARALLEL_NAME));
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if (dwPortNumber != LB_ERR)
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{
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dwPortNumber++;
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if (dwPortNumber != pPortData->dwPortNumber)
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{
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GetUsedPorts(&dwPortMap);
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if (dwPortMap & 1 << dwPortNumber)
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{
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ERR("Port LPT%lu is already in use!\n", dwPortNumber);
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return;
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}
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ChangePortNumber(pPortData,
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dwPortNumber);
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}
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}
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}
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static
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BOOL
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OnInitDialog(HWND hwnd,
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WPARAM wParam,
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LPARAM lParam)
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{
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WCHAR szBuffer[256];
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WCHAR szPortInUse[64];
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PPORT_DATA pPortData;
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HWND hwndControl;
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DWORD dwPortMap;
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UINT i;
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TRACE("OnInitDialog()\n");
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pPortData = (PPORT_DATA)((LPPROPSHEETPAGEW)lParam)->lParam;
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if (pPortData == NULL)
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{
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ERR("pPortData is NULL\n");
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return FALSE;
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}
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SetWindowLongPtr(hwnd, DWLP_USER, (LONG_PTR)pPortData);
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/* Read and parse the port settings */
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ReadPortSettings(pPortData);
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/* Set the 'Filter Resource Method' radiobuttons */
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hwndControl = GetDlgItem(hwnd,
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IDC_TRY_INTERRUPT + pPortData->dwFilterResourceMethod);
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if (hwndControl)
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Button_SetCheck(hwndControl, BST_CHECKED);
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/* Disable the 'Enable legacy PNP detection' checkbox */
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hwndControl = GetDlgItem(hwnd, IDC_PARALLEL_LEGACY);
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if (hwndControl)
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{
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Button_SetCheck(GetDlgItem(hwnd, IDC_PARALLEL_LEGACY),
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pPortData->dwLegacy ? BST_CHECKED : BST_UNCHECKED);
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}
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LoadStringW(hInstance, IDS_PORT_IN_USE, szPortInUse, ARRAYSIZE(szPortInUse));
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/* Fill the 'LPT Port Number' combobox */
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hwndControl = GetDlgItem(hwnd, IDC_PARALLEL_NAME);
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if (hwndControl)
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{
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GetUsedPorts(&dwPortMap);
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for (i = 1; i < 4; i++)
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{
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swprintf(szBuffer, L"LPT%lu", i);
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if ((dwPortMap & (1 << i)) && (pPortData->dwPortNumber != i))
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wcscat(szBuffer, szPortInUse);
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ComboBox_AddString(hwndControl, szBuffer);
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if (_wcsicmp(pPortData->szPortName, szBuffer) == 0)
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pPortData->dwPortNumber = i;
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}
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if (pPortData->dwPortNumber != 0)
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{
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ComboBox_SetCurSel(hwndControl, pPortData->dwPortNumber - 1);
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}
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}
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return TRUE;
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}
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static
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VOID
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OnNotify(
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HWND hwnd,
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WPARAM wParam,
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LPARAM lParam)
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{
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PPORT_DATA pPortData;
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TRACE("OnNotify()\n");
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pPortData = (PPORT_DATA)GetWindowLongPtr(hwnd, DWLP_USER);
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if (pPortData == NULL)
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{
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ERR("pPortData is NULL\n");
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return;
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}
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if (((LPNMHDR)lParam)->code == (UINT)PSN_APPLY)
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{
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TRACE("PSN_APPLY!\n");
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WritePortSettings(hwnd, pPortData);
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}
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}
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static
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VOID
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OnDestroy(
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HWND hwnd)
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{
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PPORT_DATA pPortData;
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TRACE("OnDestroy()\n");
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pPortData = (PPORT_DATA)GetWindowLongPtr(hwnd, DWLP_USER);
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if (pPortData == NULL)
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{
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ERR("pPortData is NULL\n");
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return;
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}
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HeapFree(GetProcessHeap(), 0, pPortData);
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SetWindowLongPtr(hwnd, DWLP_USER, (LONG_PTR)NULL);
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}
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static
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INT_PTR
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CALLBACK
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ParallelSettingsDlgProc(HWND hwnd,
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UINT uMsg,
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WPARAM wParam,
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LPARAM lParam)
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{
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TRACE("ParallelSettingsDlgProc()\n");
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switch (uMsg)
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{
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case WM_INITDIALOG:
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return OnInitDialog(hwnd, wParam, lParam);
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case WM_NOTIFY:
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OnNotify(hwnd, wParam, lParam);
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break;
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case WM_DESTROY:
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OnDestroy(hwnd);
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break;
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}
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return FALSE;
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}
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BOOL
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WINAPI
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ParallelPortPropPageProvider(PSP_PROPSHEETPAGE_REQUEST lpPropSheetPageRequest,
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LPFNADDPROPSHEETPAGE lpfnAddPropSheetPageProc,
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LPARAM lParam)
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{
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PROPSHEETPAGEW PropSheetPage;
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HPROPSHEETPAGE hPropSheetPage;
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PPORT_DATA pPortData;
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TRACE("ParallelPortPropPageProvider(%p %p %lx)\n",
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lpPropSheetPageRequest, lpfnAddPropSheetPageProc, lParam);
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pPortData = HeapAlloc(GetProcessHeap(),
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HEAP_ZERO_MEMORY,
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sizeof(PORT_DATA));
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if (pPortData == NULL)
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{
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ERR("Port data allocation failed!\n");
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return FALSE;
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}
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pPortData->DeviceInfoSet = lpPropSheetPageRequest->DeviceInfoSet;
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pPortData->DeviceInfoData = lpPropSheetPageRequest->DeviceInfoData;
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if (lpPropSheetPageRequest->PageRequested == SPPSR_ENUM_ADV_DEVICE_PROPERTIES)
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{
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TRACE("SPPSR_ENUM_ADV_DEVICE_PROPERTIES\n");
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PropSheetPage.dwSize = sizeof(PROPSHEETPAGEW);
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PropSheetPage.dwFlags = 0;
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PropSheetPage.hInstance = hInstance;
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PropSheetPage.pszTemplate = MAKEINTRESOURCE(IDD_PARALLELSETTINGS);
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PropSheetPage.pfnDlgProc = ParallelSettingsDlgProc;
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PropSheetPage.lParam = (LPARAM)pPortData;
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PropSheetPage.pfnCallback = NULL;
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hPropSheetPage = CreatePropertySheetPageW(&PropSheetPage);
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if (hPropSheetPage == NULL)
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{
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ERR("CreatePropertySheetPageW() failed!\n");
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return FALSE;
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}
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if (!(*lpfnAddPropSheetPageProc)(hPropSheetPage, lParam))
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{
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ERR("lpfnAddPropSheetPageProc() failed!\n");
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DestroyPropertySheetPage(hPropSheetPage);
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return FALSE;
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}
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}
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TRACE("Done!\n");
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return TRUE;
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}
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/* EOF */
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