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![Timo Kreuzer](/assets/img/avatar_default.png)
Fix 64 bit build of some modules (Samuel Serapion, modified by me) svn path=/trunk/; revision=47551
524 lines
12 KiB
C
524 lines
12 KiB
C
/*
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Thanks to theForger from winprog.org
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*/
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#include <windows.h>
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#include <commctrl.h>
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#include <string.h>
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#include "resource.h"
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const char g_szClassName[] = "myWindowClass";
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const char g_szChildClassName[] = "myMDIChildWindowClass";
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#define IDC_MAIN_MDI 101
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#define IDC_MAIN_TOOL 102
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#define IDC_MAIN_STATUS 103
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#define IDC_CHILD_EDIT 101
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#define ID_MDI_FIRSTCHILD 50000
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HWND g_hMDIClient = NULL;
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HWND g_hMainWindow = NULL;
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BOOL LoadTextFileToEdit(HWND hEdit, LPCTSTR pszFileName)
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{
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HANDLE hFile;
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BOOL bSuccess = FALSE;
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hFile = CreateFile(pszFileName, GENERIC_READ, FILE_SHARE_READ, NULL,
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OPEN_EXISTING, 0, NULL);
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if(hFile != INVALID_HANDLE_VALUE)
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{
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DWORD dwFileSize;
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dwFileSize = GetFileSize(hFile, NULL);
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if(dwFileSize != 0xFFFFFFFF)
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{
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LPSTR pszFileText;
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pszFileText = GlobalAlloc(GPTR, dwFileSize + 1);
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if(pszFileText != NULL)
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{
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DWORD dwRead;
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if(ReadFile(hFile, pszFileText, dwFileSize, &dwRead, NULL))
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{
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pszFileText[dwFileSize] = 0; // Add null terminator
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if(SetWindowText(hEdit, pszFileText))
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bSuccess = TRUE; // It worked!
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}
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GlobalFree(pszFileText);
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}
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}
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CloseHandle(hFile);
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}
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return bSuccess;
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}
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BOOL SaveTextFileFromEdit(HWND hEdit, LPCTSTR pszFileName)
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{
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HANDLE hFile;
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BOOL bSuccess = FALSE;
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hFile = CreateFile(pszFileName, GENERIC_WRITE, 0, NULL,
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CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
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if(hFile != INVALID_HANDLE_VALUE)
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{
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DWORD dwTextLength;
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dwTextLength = GetWindowTextLength(hEdit);
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// No need to bother if there's no text.
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if(dwTextLength > 0)
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{
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LPSTR pszText;
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DWORD dwBufferSize = dwTextLength + 1;
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pszText = GlobalAlloc(GPTR, dwBufferSize);
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if(pszText != NULL)
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{
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if(GetWindowText(hEdit, pszText, dwBufferSize))
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{
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DWORD dwWritten;
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if(WriteFile(hFile, pszText, dwTextLength, &dwWritten, NULL))
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bSuccess = TRUE;
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}
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GlobalFree(pszText);
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}
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}
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CloseHandle(hFile);
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}
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return bSuccess;
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}
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void DoFileOpen(HWND hwnd)
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{
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OPENFILENAME ofn;
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char szFileName[MAX_PATH] = "";
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ZeroMemory(&ofn, sizeof(ofn));
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ofn.lStructSize = sizeof(ofn);
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ofn.hwndOwner = hwnd;
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ofn.lpstrFilter = "Text Files (*.txt)\0*.txt\0All Files (*.*)\0*.*\0";
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ofn.lpstrFile = szFileName;
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ofn.nMaxFile = MAX_PATH;
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ofn.Flags = OFN_EXPLORER | OFN_FILEMUSTEXIST | OFN_HIDEREADONLY;
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ofn.lpstrDefExt = "txt";
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if(GetOpenFileName(&ofn))
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{
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HWND hEdit = GetDlgItem(hwnd, IDC_CHILD_EDIT);
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if(LoadTextFileToEdit(hEdit, szFileName))
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{
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SendDlgItemMessage(g_hMainWindow, IDC_MAIN_STATUS, SB_SETTEXT, 0, (LPARAM)"Opened...");
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SendDlgItemMessage(g_hMainWindow, IDC_MAIN_STATUS, SB_SETTEXT, 1, (LPARAM)szFileName);
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SetWindowText(hwnd, szFileName);
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}
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}
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}
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void DoFileSave(HWND hwnd)
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{
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OPENFILENAME ofn;
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char szFileName[MAX_PATH] = "";
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ZeroMemory(&ofn, sizeof(ofn));
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ofn.lStructSize = sizeof(ofn);
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ofn.hwndOwner = hwnd;
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ofn.lpstrFilter = "Text Files (*.txt)\0*.txt\0All Files (*.*)\0*.*\0";
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ofn.lpstrFile = szFileName;
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ofn.nMaxFile = MAX_PATH;
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ofn.lpstrDefExt = "txt";
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ofn.Flags = OFN_EXPLORER | OFN_PATHMUSTEXIST | OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT;
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if(GetSaveFileName(&ofn))
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{
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HWND hEdit = GetDlgItem(hwnd, IDC_CHILD_EDIT);
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if(SaveTextFileFromEdit(hEdit, szFileName))
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{
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SendDlgItemMessage(g_hMainWindow, IDC_MAIN_STATUS, SB_SETTEXT, 0, (LPARAM)"Saved...");
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SendDlgItemMessage(g_hMainWindow, IDC_MAIN_STATUS, SB_SETTEXT, 1, (LPARAM)szFileName);
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SetWindowText(hwnd, szFileName);
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}
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}
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}
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HWND CreateNewMDIChild(HWND hMDIClient)
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{
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MDICREATESTRUCT mcs;
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HWND hChild;
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mcs.szTitle = "[Untitled]";
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mcs.szClass = g_szChildClassName;
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mcs.hOwner = GetModuleHandle(NULL);
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mcs.x = mcs.cx = CW_USEDEFAULT;
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mcs.y = mcs.cy = CW_USEDEFAULT;
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mcs.style = MDIS_ALLCHILDSTYLES;
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hChild = (HWND)SendMessage(hMDIClient, WM_MDICREATE, 0, (LPARAM)&mcs);
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if(!hChild)
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{
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MessageBox(hMDIClient, "MDI Child creation failed.", "Oh Oh...",
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MB_ICONEXCLAMATION | MB_OK);
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}
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return hChild;
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}
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LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
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{
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switch(msg)
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{
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case WM_CREATE:
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{
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HWND hTool;
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TBBUTTON tbb[3];
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TBADDBITMAP tbab;
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HWND hStatus;
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int statwidths[] = {100, -1};
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CLIENTCREATESTRUCT ccs;
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// Create MDI Client
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// Find window menu where children will be listed
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ccs.hWindowMenu = GetSubMenu(GetMenu(hwnd), 2);
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ccs.idFirstChild = ID_MDI_FIRSTCHILD;
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g_hMDIClient = CreateWindowEx(WS_EX_CLIENTEDGE, "mdiclient", NULL,
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WS_CHILD | WS_CLIPCHILDREN | WS_VSCROLL | WS_HSCROLL | WS_VISIBLE,
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CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
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hwnd, (HMENU)IDC_MAIN_MDI, GetModuleHandle(NULL), (LPVOID)&ccs);
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if(g_hMDIClient == NULL)
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MessageBox(hwnd, "Could not create MDI client.", "Error", MB_OK | MB_ICONERROR);
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// Create Toolbar
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hTool = CreateWindowEx(0, TOOLBARCLASSNAME, NULL, WS_CHILD | WS_VISIBLE, 0, 0, 0, 0,
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hwnd, (HMENU)IDC_MAIN_TOOL, GetModuleHandle(NULL), NULL);
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if(hTool == NULL)
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MessageBox(hwnd, "Could not create tool bar.", "Error", MB_OK | MB_ICONERROR);
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// Send the TB_BUTTONSTRUCTSIZE message, which is required for
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// backward compatibility.
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SendMessage(hTool, TB_BUTTONSTRUCTSIZE, (WPARAM)sizeof(TBBUTTON), 0);
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tbab.hInst = HINST_COMMCTRL;
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tbab.nID = IDB_STD_SMALL_COLOR;
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SendMessage(hTool, TB_ADDBITMAP, 0, (LPARAM)&tbab);
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ZeroMemory(tbb, sizeof(tbb));
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tbb[0].iBitmap = STD_FILENEW;
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tbb[0].fsState = TBSTATE_ENABLED;
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tbb[0].fsStyle = TBSTYLE_BUTTON;
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tbb[0].idCommand = ID_FILE_NEW;
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tbb[1].iBitmap = STD_FILEOPEN;
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tbb[1].fsState = TBSTATE_ENABLED;
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tbb[1].fsStyle = TBSTYLE_BUTTON;
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tbb[1].idCommand = ID_FILE_OPEN;
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tbb[2].iBitmap = STD_FILESAVE;
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tbb[2].fsState = TBSTATE_ENABLED;
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tbb[2].fsStyle = TBSTYLE_BUTTON;
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tbb[2].idCommand = ID_FILE_SAVEAS;
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SendMessage(hTool, TB_ADDBUTTONS, sizeof(tbb)/sizeof(TBBUTTON), (LPARAM)&tbb);
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// Create Status bar
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hStatus = CreateWindowEx(0, STATUSCLASSNAME, NULL,
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WS_CHILD | WS_VISIBLE | SBARS_SIZEGRIP, 0, 0, 0, 0,
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hwnd, (HMENU)IDC_MAIN_STATUS, GetModuleHandle(NULL), NULL);
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SendMessage(hStatus, SB_SETPARTS, sizeof(statwidths)/sizeof(int), (LPARAM)statwidths);
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SendMessage(hStatus, SB_SETTEXT, 0, (LPARAM)"Hi there :)");
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}
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break;
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case WM_SIZE:
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{
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HWND hTool;
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RECT rcTool;
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int iToolHeight;
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HWND hStatus;
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RECT rcStatus;
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int iStatusHeight;
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HWND hMDI;
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int iMDIHeight;
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RECT rcClient;
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// Size toolbar and get height
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hTool = GetDlgItem(hwnd, IDC_MAIN_TOOL);
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SendMessage(hTool, TB_AUTOSIZE, 0, 0);
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GetWindowRect(hTool, &rcTool);
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iToolHeight = rcTool.bottom - rcTool.top;
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// Size status bar and get height
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hStatus = GetDlgItem(hwnd, IDC_MAIN_STATUS);
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SendMessage(hStatus, WM_SIZE, 0, 0);
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GetWindowRect(hStatus, &rcStatus);
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iStatusHeight = rcStatus.bottom - rcStatus.top;
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// Calculate remaining height and size edit
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GetClientRect(hwnd, &rcClient);
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iMDIHeight = rcClient.bottom - iToolHeight - iStatusHeight;
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hMDI = GetDlgItem(hwnd, IDC_MAIN_MDI);
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SetWindowPos(hMDI, NULL, 0, iToolHeight, rcClient.right, iMDIHeight, SWP_NOZORDER);
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}
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break;
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case WM_CLOSE:
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DestroyWindow(hwnd);
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break;
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case WM_DESTROY:
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PostQuitMessage(0);
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break;
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case WM_COMMAND:
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switch(LOWORD(wParam))
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{
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case ID_FILE_EXIT:
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PostMessage(hwnd, WM_CLOSE, 0, 0);
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break;
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case ID_FILE_NEW:
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CreateNewMDIChild(g_hMDIClient);
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break;
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case ID_FILE_OPEN:
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{
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HWND hChild = CreateNewMDIChild(g_hMDIClient);
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if(hChild)
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{
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DoFileOpen(hChild);
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}
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}
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break;
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case ID_FILE_CLOSE:
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{
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HWND hChild = (HWND)SendMessage(g_hMDIClient, WM_MDIGETACTIVE,0,0);
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if(hChild)
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{
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SendMessage(hChild, WM_CLOSE, 0, 0);
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}
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}
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break;
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case ID_WINDOW_TILE:
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SendMessage(g_hMDIClient, WM_MDITILE, 0, 0);
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break;
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case ID_WINDOW_CASCADE:
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SendMessage(g_hMDIClient, WM_MDICASCADE, 0, 0);
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break;
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default:
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{
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if(LOWORD(wParam) >= ID_MDI_FIRSTCHILD)
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{
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DefFrameProc(hwnd, g_hMDIClient, WM_COMMAND, wParam, lParam);
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}
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else
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{
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HWND hChild = (HWND)SendMessage(g_hMDIClient, WM_MDIGETACTIVE,0,0);
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if(hChild)
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{
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SendMessage(hChild, WM_COMMAND, wParam, lParam);
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}
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}
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}
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}
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break;
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default:
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return DefFrameProc(hwnd, g_hMDIClient, msg, wParam, lParam);
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}
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return 0;
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}
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LRESULT CALLBACK MDIChildWndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
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{
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switch(msg)
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{
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case WM_CREATE:
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{
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HFONT hfDefault;
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HWND hEdit;
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// Create Edit Control
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hEdit = CreateWindowEx(WS_EX_CLIENTEDGE, "EDIT", "",
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WS_CHILD | WS_VISIBLE | WS_VSCROLL | WS_HSCROLL | ES_MULTILINE | ES_AUTOVSCROLL | ES_AUTOHSCROLL,
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0, 0, 100, 100, hwnd, (HMENU)IDC_CHILD_EDIT, GetModuleHandle(NULL), NULL);
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if(hEdit == NULL)
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MessageBox(hwnd, "Could not create edit box.", "Error", MB_OK | MB_ICONERROR);
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hfDefault = GetStockObject(DEFAULT_GUI_FONT);
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SendMessage(hEdit, WM_SETFONT, (WPARAM)hfDefault, MAKELPARAM(FALSE, 0));
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}
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break;
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case WM_MDIACTIVATE:
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{
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HMENU hMenu, hFileMenu;
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UINT EnableFlag;
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hMenu = GetMenu(g_hMainWindow);
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if(hwnd == (HWND)lParam)
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{ //being activated, enable the menus
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EnableFlag = MF_ENABLED;
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}
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else
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{ //being de-activated, gray the menus
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EnableFlag = MF_GRAYED;
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}
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EnableMenuItem(hMenu, 1, MF_BYPOSITION | EnableFlag);
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EnableMenuItem(hMenu, 2, MF_BYPOSITION | EnableFlag);
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hFileMenu = GetSubMenu(hMenu, 0);
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EnableMenuItem(hFileMenu, ID_FILE_SAVEAS, MF_BYCOMMAND | EnableFlag);
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EnableMenuItem(hFileMenu, ID_FILE_CLOSE, MF_BYCOMMAND | EnableFlag);
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EnableMenuItem(hFileMenu, ID_FILE_CLOSEALL, MF_BYCOMMAND | EnableFlag);
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DrawMenuBar(g_hMainWindow);
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}
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break;
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case WM_COMMAND:
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switch(LOWORD(wParam))
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{
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case ID_FILE_OPEN:
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DoFileOpen(hwnd);
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break;
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case ID_FILE_SAVEAS:
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DoFileSave(hwnd);
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break;
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case ID_EDIT_CUT:
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SendDlgItemMessage(hwnd, IDC_CHILD_EDIT, WM_CUT, 0, 0);
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break;
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case ID_EDIT_COPY:
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SendDlgItemMessage(hwnd, IDC_CHILD_EDIT, WM_COPY, 0, 0);
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break;
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case ID_EDIT_PASTE:
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SendDlgItemMessage(hwnd, IDC_CHILD_EDIT, WM_PASTE, 0, 0);
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break;
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}
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break;
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case WM_SIZE:
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{
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HWND hEdit;
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RECT rcClient;
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// Calculate remaining height and size edit
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GetClientRect(hwnd, &rcClient);
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hEdit = GetDlgItem(hwnd, IDC_CHILD_EDIT);
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SetWindowPos(hEdit, NULL, 0, 0, rcClient.right, rcClient.bottom, SWP_NOZORDER);
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}
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return DefMDIChildProc(hwnd, msg, wParam, lParam);
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default:
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return DefMDIChildProc(hwnd, msg, wParam, lParam);
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}
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return 0;
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}
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BOOL SetUpMDIChildWindowClass(HINSTANCE hInstance)
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{
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WNDCLASSEX wc;
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wc.cbSize = sizeof(WNDCLASSEX);
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wc.style = CS_HREDRAW | CS_VREDRAW;
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wc.lpfnWndProc = MDIChildWndProc;
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wc.cbClsExtra = 0;
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wc.cbWndExtra = 0;
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wc.hInstance = hInstance;
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wc.hIcon = LoadIcon(NULL, (LPCTSTR)IDI_APPLICATION);
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wc.hCursor = LoadCursor(NULL, (LPCTSTR)IDC_ARROW);
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wc.hbrBackground = (HBRUSH)(COLOR_3DFACE+1);
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wc.lpszMenuName = NULL;
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wc.lpszClassName = g_szChildClassName;
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wc.hIconSm = LoadIcon(NULL, (LPCTSTR)IDI_APPLICATION);
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if(!RegisterClassEx(&wc))
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{
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MessageBox(0, "Could Not Register Child Window", "Oh Oh...",
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MB_ICONEXCLAMATION | MB_OK);
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return FALSE;
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}
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else
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return TRUE;
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}
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int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
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LPSTR lpCmdLine, int nCmdShow)
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{
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WNDCLASSEX wc;
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HWND hwnd;
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MSG Msg;
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InitCommonControls();
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wc.cbSize = sizeof(WNDCLASSEX);
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wc.style = 0;
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wc.lpfnWndProc = WndProc;
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wc.cbClsExtra = 0;
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wc.cbWndExtra = 0;
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wc.hInstance = hInstance;
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wc.hIcon = LoadIcon(NULL, (LPCTSTR)IDI_APPLICATION);
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wc.hCursor = LoadCursor(NULL, (LPCTSTR)IDC_ARROW);
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wc.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
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wc.lpszMenuName = MAKEINTRESOURCE(IDR_MAINMENU);
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wc.lpszClassName = g_szClassName;
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wc.hIconSm = LoadIcon(NULL, (LPCTSTR)IDI_APPLICATION);
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if(!RegisterClassEx(&wc))
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{
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MessageBox(NULL, "Window Registration Failed!", "Error!",
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MB_ICONEXCLAMATION | MB_OK);
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return 0;
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}
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if(!SetUpMDIChildWindowClass(hInstance))
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return 0;
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hwnd = CreateWindowEx(
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0,
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g_szClassName,
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"MDI Test Application",
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WS_OVERLAPPEDWINDOW | WS_CLIPCHILDREN,
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CW_USEDEFAULT, CW_USEDEFAULT, 480, 320,
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NULL, NULL, hInstance, NULL);
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|
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if(hwnd == NULL)
|
|
{
|
|
MessageBox(NULL, "Window Creation Failed!", "Error!",
|
|
MB_ICONEXCLAMATION | MB_OK);
|
|
return 0;
|
|
}
|
|
|
|
g_hMainWindow = hwnd;
|
|
|
|
ShowWindow(hwnd, nCmdShow);
|
|
UpdateWindow(hwnd);
|
|
|
|
while(GetMessage(&Msg, NULL, 0, 0) > 0)
|
|
{
|
|
if (!TranslateMDISysAccel(g_hMDIClient, &Msg))
|
|
{
|
|
TranslateMessage(&Msg);
|
|
DispatchMessage(&Msg);
|
|
}
|
|
}
|
|
return Msg.wParam;
|
|
}
|