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48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
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/*
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* PROJECT: shell32
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* LICENSE: LGPL-2.1+ (https://spdx.org/licenses/LGPL-2.1+)
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* PURPOSE: Utility functions
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* COPYRIGHT: ReactOS Team
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*/
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#pragma once
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inline BOOL
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RegValueExists(HKEY hKey, LPCWSTR Name)
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{
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return RegQueryValueExW(hKey, Name, NULL, NULL, NULL, NULL) == ERROR_SUCCESS;
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}
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inline BOOL
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RegKeyExists(HKEY hKey, LPCWSTR Path)
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{
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BOOL ret = !RegOpenKeyExW(hKey, Path, 0, MAXIMUM_ALLOWED, &hKey);
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if (ret)
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RegCloseKey(hKey);
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return ret;
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}
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inline DWORD
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RegSetOrDelete(HKEY hKey, LPCWSTR Name, DWORD Type, LPCVOID Data, DWORD Size)
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{
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if (Data)
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return RegSetValueExW(hKey, Name, 0, Type, LPBYTE(Data), Size);
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else
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return RegDeleteValueW(hKey, Name);
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}
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inline DWORD
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RegSetString(HKEY hKey, LPCWSTR Name, LPCWSTR Str, DWORD Type = REG_SZ)
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{
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return RegSetValueExW(hKey, Name, 0, Type, LPBYTE(Str), (lstrlenW(Str) + 1) * sizeof(WCHAR));
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}
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// SHExtractIconsW is a forward, use this function instead inside shell32
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inline HICON
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SHELL32_SHExtractIcon(LPCWSTR File, int Index, int cx, int cy)
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{
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HICON hIco;
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int r = PrivateExtractIconsW(File, Index, cx, cy, &hIco, NULL, 1, 0);
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return r > 0 ? hIco : NULL;
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}
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