/* Unit tests for treeview. * * Copyright 2005 Krzysztof Foltman * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #include #include #include "windef.h" #include "winbase.h" #include "wingdi.h" #include "winuser.h" #include "winnls.h" #include "winreg.h" #include "commctrl.h" #include "resources.h" #include "wine/test.h" HWND hMainWnd; static void MakeButton(TBBUTTON *p, int idCommand, int fsStyle, int nString) { p->iBitmap = -2; p->idCommand = idCommand; p->fsState = TBSTATE_ENABLED; p->fsStyle = fsStyle; p->iString = nString; } static LRESULT CALLBACK MyWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) { return DefWindowProcA(hWnd, msg, wParam, lParam); } static void basic_test(void) { TBBUTTON buttons[9]; HWND hToolbar; int i; for (i=0; i<9; i++) MakeButton(buttons+i, 1000+i, TBSTYLE_CHECKGROUP, 0); MakeButton(buttons+3, 1003, TBSTYLE_SEP|TBSTYLE_GROUP, 0); MakeButton(buttons+6, 1006, TBSTYLE_SEP, 0); hToolbar = CreateToolbarEx(hMainWnd, WS_VISIBLE | WS_CLIPCHILDREN | CCS_TOP | WS_CHILD | TBSTYLE_LIST, 100, 0, NULL, (UINT)0, buttons, sizeof(buttons)/sizeof(buttons[0]), 0, 0, 20, 16, sizeof(TBBUTTON)); ok(hToolbar != NULL, "Toolbar creation\n"); SendMessage(hToolbar, TB_ADDSTRINGA, 0, (LPARAM)"test\000"); /* test for exclusion working inside a separator-separated :-) group */ SendMessage(hToolbar, TB_CHECKBUTTON, 1000, 1); /* press A1 */ ok(SendMessage(hToolbar, TB_ISBUTTONCHECKED, 1000, 0), "A1 pressed\n"); ok(!SendMessage(hToolbar, TB_ISBUTTONCHECKED, 1001, 0), "A2 not pressed\n"); SendMessage(hToolbar, TB_CHECKBUTTON, 1004, 1); /* press A5, release A1 */ ok(SendMessage(hToolbar, TB_ISBUTTONCHECKED, 1004, 0), "A5 pressed\n"); ok(!SendMessage(hToolbar, TB_ISBUTTONCHECKED, 1000, 0), "A1 not pressed anymore\n"); SendMessage(hToolbar, TB_CHECKBUTTON, 1005, 1); /* press A6, release A5 */ ok(SendMessage(hToolbar, TB_ISBUTTONCHECKED, 1005, 0), "A6 pressed\n"); ok(!SendMessage(hToolbar, TB_ISBUTTONCHECKED, 1004, 0), "A5 not pressed anymore\n"); /* test for inter-group crosstalk, ie. two radio groups interfering with each other */ SendMessage(hToolbar, TB_CHECKBUTTON, 1007, 1); /* press B2 */ ok(SendMessage(hToolbar, TB_ISBUTTONCHECKED, 1005, 0), "A6 still pressed, no inter-group crosstalk\n"); ok(!SendMessage(hToolbar, TB_ISBUTTONCHECKED, 1000, 0), "A1 still not pressed\n"); ok(SendMessage(hToolbar, TB_ISBUTTONCHECKED, 1007, 0), "B2 pressed\n"); SendMessage(hToolbar, TB_CHECKBUTTON, 1000, 1); /* press A1 and ensure B group didn't suffer */ ok(!SendMessage(hToolbar, TB_ISBUTTONCHECKED, 1005, 0), "A6 not pressed anymore\n"); ok(SendMessage(hToolbar, TB_ISBUTTONCHECKED, 1000, 0), "A1 pressed\n"); ok(SendMessage(hToolbar, TB_ISBUTTONCHECKED, 1007, 0), "B2 still pressed\n"); SendMessage(hToolbar, TB_CHECKBUTTON, 1008, 1); /* press B3, and ensure A group didn't suffer */ ok(!SendMessage(hToolbar, TB_ISBUTTONCHECKED, 1005, 0), "A6 pressed\n"); ok(SendMessage(hToolbar, TB_ISBUTTONCHECKED, 1000, 0), "A1 pressed\n"); ok(!SendMessage(hToolbar, TB_ISBUTTONCHECKED, 1007, 0), "B2 not pressed\n"); ok(SendMessage(hToolbar, TB_ISBUTTONCHECKED, 1008, 0), "B3 pressed\n"); DestroyWindow(hToolbar); } static void rebuild_toolbar(HWND *hToolbar) { if (*hToolbar != NULL) DestroyWindow(*hToolbar); *hToolbar = CreateWindowEx(0, TOOLBARCLASSNAME, NULL, WS_CHILD | WS_VISIBLE, 0, 0, 0, 0, hMainWnd, (HMENU)5, GetModuleHandle(NULL), NULL); ok(*hToolbar != NULL, "Toolbar creation problem\n"); ok(SendMessage(*hToolbar, TB_BUTTONSTRUCTSIZE, (WPARAM)sizeof(TBBUTTON), 0) == 0, "TB_BUTTONSTRUCTSIZE failed\n"); ok(SendMessage(*hToolbar, TB_AUTOSIZE, 0, 0) == 0, "TB_AUTOSIZE failed\n"); } #define CHECK_IMAGELIST(count, dx, dy) { \ int cx, cy; \ HIMAGELIST himl = (HIMAGELIST)SendMessageA(hToolbar, TB_GETIMAGELIST, 0, 0); \ ok(himl != NULL, "No image list\n"); \ if (himl != NULL) {\ ok(ImageList_GetImageCount(himl) == count, "Images count mismatch - %d vs %d\n", count, ImageList_GetImageCount(himl)); \ ImageList_GetIconSize(himl, &cx, &cy); \ ok(cx == dx && cy == cy, "Icon size mismatch - %dx%d vs %dx%d\n", dx, dy, cx, cy); \ } \ } #define CHECK_IMAGELIST_TODO_COUNT(count, dx, dy) { \ int cx, cy; \ HIMAGELIST himl = (HIMAGELIST)SendMessageA(hToolbar, TB_GETIMAGELIST, 0, 0); \ ok(himl != NULL, "No image list\n"); \ if (himl != NULL) {\ todo_wine ok(ImageList_GetImageCount(himl) == count, "Images count mismatch - %d vs %d\n", count, ImageList_GetImageCount(himl)); \ ImageList_GetIconSize(himl, &cx, &cy); \ ok(cx == dx && cy == cy, "Icon size mismatch - %dx%d vs %dx%d\n", dx, dy, cx, cy); \ } \ } #define CHECK_IMAGELIST_TODO_COUNT_SIZE(count, dx, dy) { \ int cx, cy; \ HIMAGELIST himl = (HIMAGELIST)SendMessageA(hToolbar, TB_GETIMAGELIST, 0, 0); \ ok(himl != NULL, "No image list\n"); \ if (himl != NULL) {\ todo_wine ok(ImageList_GetImageCount(himl) == count, "Images count mismatch - %d vs %d\n", count, ImageList_GetImageCount(himl)); \ ImageList_GetIconSize(himl, &cx, &cy); \ todo_wine ok(cx == dx && cy == cy, "Icon size mismatch - %dx%d vs %dx%d\n", dx, dy, cx, cy); \ } \ } static void test_add_bitmap(void) { HWND hToolbar = NULL; TBADDBITMAP bmp128; TBADDBITMAP bmp80; TBADDBITMAP stdsmall; TBADDBITMAP addbmp; HIMAGELIST himl; INT ret; /* empty 128x15 bitmap */ bmp128.hInst = GetModuleHandle(NULL); bmp128.nID = IDB_BITMAP_128x15; /* empty 80x15 bitmap */ bmp80.hInst = GetModuleHandle(NULL); bmp80.nID = IDB_BITMAP_80x15; /* standard bitmap - 240x15 pixels */ stdsmall.hInst = HINST_COMMCTRL; stdsmall.nID = IDB_STD_SMALL_COLOR; rebuild_toolbar(&hToolbar); ok(SendMessageA(hToolbar, TB_ADDBITMAP, 8, (LPARAM)&bmp128) == 0, "TB_ADDBITMAP - unexpected return\n"); CHECK_IMAGELIST(8, 16, 15); /* adding more bitmaps */ ok(SendMessageA(hToolbar, TB_ADDBITMAP, 5, (LPARAM)&bmp80) == 8, "TB_ADDBITMAP - unexpected return\n"); CHECK_IMAGELIST(13, 16, 15); /* adding the same bitmap will simply return the index of the already loaded block */ ret = SendMessageA(hToolbar, TB_ADDBITMAP, 8, (LPARAM)&bmp128); ok(ret == 0, "TB_ADDBITMAP - unexpected return %d\n", ret); CHECK_IMAGELIST(13, 16, 15); ret = SendMessageA(hToolbar, TB_ADDBITMAP, 5, (LPARAM)&bmp80); ok(ret == 8, "TB_ADDBITMAP - unexpected return %d\n", ret); CHECK_IMAGELIST(13, 16, 15); /* even if we increase the wParam */ ret = SendMessageA(hToolbar, TB_ADDBITMAP, 55, (LPARAM)&bmp80); ok(ret == 8, "TB_ADDBITMAP - unexpected return %d\n", ret); CHECK_IMAGELIST(13, 16, 15); /* when the wParam is smaller than the bitmaps count but non-zero, all the bitmaps will be added*/ rebuild_toolbar(&hToolbar); ok(SendMessageA(hToolbar, TB_ADDBITMAP, 3, (LPARAM)&bmp128) == 0, "TB_ADDBITMAP - unexpected return\n"); CHECK_IMAGELIST(8, 16, 15); ret = SendMessageA(hToolbar, TB_ADDBITMAP, 5, (LPARAM)&bmp80); ok(ret == 3, "TB_ADDBITMAP - unexpected return %d\n", ret); /* the returned value is misleading - id 8 is the id of the first icon from bmp80 */ CHECK_IMAGELIST(13, 16, 15); /* the same for negative wParam */ rebuild_toolbar(&hToolbar); ret = SendMessageA(hToolbar, TB_ADDBITMAP, -143, (LPARAM)&bmp128); ok(ret == 0, "TB_ADDBITMAP - unexpected return %d\n", ret); CHECK_IMAGELIST(8, 16, 15); ret = SendMessageA(hToolbar, TB_ADDBITMAP, 1, (LPARAM)&bmp80); ok(ret == -143, "TB_ADDBITMAP - unexpected return %d\n", ret); CHECK_IMAGELIST(13, 16, 15); /* for zero only one bitmap will be added */ rebuild_toolbar(&hToolbar); ret = SendMessageA(hToolbar, TB_ADDBITMAP, 0, (LPARAM)&bmp80); ok(ret == 0, "TB_ADDBITMAP - unexpected return %d\n", ret); CHECK_IMAGELIST(1, 16, 15); /* if wParam is larger than the amount of icons, the list is grown */ rebuild_toolbar(&hToolbar); ok(SendMessageA(hToolbar, TB_ADDBITMAP, 100, (LPARAM)&bmp80) == 0, "TB_ADDBITMAP - unexpected return\n"); CHECK_IMAGELIST(100, 16, 15); ret = SendMessageA(hToolbar, TB_ADDBITMAP, 100, (LPARAM)&bmp128); ok(ret == 100, "TB_ADDBITMAP - unexpected return %d\n", ret); CHECK_IMAGELIST(200, 16, 15); /* adding built-in items - the wParam is ignored */ rebuild_toolbar(&hToolbar); ok(SendMessageA(hToolbar, TB_ADDBITMAP, 5, (LPARAM)&bmp80) == 0, "TB_ADDBITMAP - unexpected return\n"); CHECK_IMAGELIST(5, 16, 15); ok(SendMessageA(hToolbar, TB_ADDBITMAP, 0, (LPARAM)&stdsmall) == 5, "TB_ADDBITMAP - unexpected return\n"); CHECK_IMAGELIST(20, 16, 15); ok(SendMessageA(hToolbar, TB_ADDBITMAP, 5, (LPARAM)&bmp128) == 20, "TB_ADDBITMAP - unexpected return\n"); CHECK_IMAGELIST(28, 16, 15); /* when we increase the bitmap size, less icons will be created */ rebuild_toolbar(&hToolbar); ok(SendMessageA(hToolbar, TB_SETBITMAPSIZE, 0, MAKELONG(20, 20)) == TRUE, "TB_SETBITMAPSIZE failed\n"); ok(SendMessageA(hToolbar, TB_ADDBITMAP, 1, (LPARAM)&bmp128) == 0, "TB_ADDBITMAP - unexpected return\n"); CHECK_IMAGELIST(6, 20, 20); ret = SendMessageA(hToolbar, TB_ADDBITMAP, 1, (LPARAM)&bmp80); ok(ret == 1, "TB_ADDBITMAP - unexpected return %d\n", ret); CHECK_IMAGELIST(10, 20, 20); /* the icons can be resized - an UpdateWindow is needed as this probably happens during WM_PAINT */ ok(SendMessageA(hToolbar, TB_SETBITMAPSIZE, 0, MAKELONG(8, 8)) == TRUE, "TB_SETBITMAPSIZE failed\n"); UpdateWindow(hToolbar); CHECK_IMAGELIST(26, 8, 8); /* loading a standard bitmaps automatically resizes the icons */ ok(SendMessageA(hToolbar, TB_ADDBITMAP, 1, (LPARAM)&stdsmall) == 2, "TB_ADDBITMAP - unexpected return\n"); UpdateWindow(hToolbar); CHECK_IMAGELIST(28, 16, 15); /* two more SETBITMAPSIZE tests */ rebuild_toolbar(&hToolbar); ok(SendMessageA(hToolbar, TB_ADDBITMAP, 100, (LPARAM)&bmp128) == 0, "TB_ADDBITMAP - unexpected return\n"); CHECK_IMAGELIST(100, 16, 15); ok(SendMessageA(hToolbar, TB_ADDBITMAP, 100, (LPARAM)&bmp80) == 100, "TB_ADDBITMAP - unexpected return\n"); CHECK_IMAGELIST(200, 16, 15); ok(SendMessageA(hToolbar, TB_SETBITMAPSIZE, 0, MAKELONG(8, 8)) == TRUE, "TB_SETBITMAPSIZE failed\n"); UpdateWindow(hToolbar); CHECK_IMAGELIST(200, 8, 8); ok(SendMessageA(hToolbar, TB_SETBITMAPSIZE, 0, MAKELONG(30, 30)) == TRUE, "TB_SETBITMAPSIZE failed\n"); UpdateWindow(hToolbar); CHECK_IMAGELIST(200, 30, 30); rebuild_toolbar(&hToolbar); ok(SendMessageA(hToolbar, TB_ADDBITMAP, 5, (LPARAM)&bmp128) == 0, "TB_ADDBITMAP - unexpected return\n"); CHECK_IMAGELIST(8, 16, 15); ok(SendMessageA(hToolbar, TB_ADDBITMAP, 3, (LPARAM)&bmp80) == 5, "TB_ADDBITMAP - unexpected return\n"); CHECK_IMAGELIST(13, 16, 15); ok(SendMessageA(hToolbar, TB_SETBITMAPSIZE, 0, MAKELONG(30, 30)) == TRUE, "TB_SETBITMAPSIZE failed\n"); UpdateWindow(hToolbar); CHECK_IMAGELIST(8, 30, 30); /* the control can add bitmaps to an existing image list */ rebuild_toolbar(&hToolbar); himl = ImageList_LoadImage(GetModuleHandle(NULL), MAKEINTRESOURCE(IDB_BITMAP_80x15), 20, 2, CLR_NONE, IMAGE_BITMAP, LR_DEFAULTCOLOR); ok(himl != NULL, "failed to create imagelist\n"); ok(SendMessageA(hToolbar, TB_SETIMAGELIST, 0, (LPARAM)himl) == 0, "TB_SETIMAGELIST failed\n"); CHECK_IMAGELIST(4, 20, 15); ok(SendMessageA(hToolbar, TB_ADDBITMAP, 1, (LPARAM)&bmp128) == 0, "TB_ADDBITMAP - unexpected return\n"); CHECK_IMAGELIST(10, 20, 15); /* however TB_SETBITMAPSIZE/add std bitmap won't change the image size (the button size does change!) */ ok(SendMessageA(hToolbar, TB_SETBITMAPSIZE, 0, MAKELONG(8, 8)) == TRUE, "TB_SETBITMAPSIZE failed\n"); UpdateWindow(hToolbar); CHECK_IMAGELIST(10, 20, 15); ok(SendMessageA(hToolbar, TB_ADDBITMAP, 0, (LPARAM)&stdsmall) == 1, "TB_SETBITMAPSIZE failed\n"); UpdateWindow(hToolbar); CHECK_IMAGELIST_TODO_COUNT(22, 20, 15); /* check standard bitmaps */ addbmp.hInst = HINST_COMMCTRL; addbmp.nID = IDB_STD_SMALL_COLOR; rebuild_toolbar(&hToolbar); ok(SendMessageA(hToolbar, TB_ADDBITMAP, 1, (LPARAM)&addbmp) == 0, "TB_ADDBITMAP - unexpected return\n"); CHECK_IMAGELIST(15, 16, 15); addbmp.nID = IDB_STD_LARGE_COLOR; rebuild_toolbar(&hToolbar); ok(SendMessageA(hToolbar, TB_ADDBITMAP, 1, (LPARAM)&addbmp) == 0, "TB_ADDBITMAP - unexpected return\n"); CHECK_IMAGELIST(15, 24, 24); addbmp.nID = IDB_VIEW_SMALL_COLOR; rebuild_toolbar(&hToolbar); ok(SendMessageA(hToolbar, TB_ADDBITMAP, 1, (LPARAM)&addbmp) == 0, "TB_ADDBITMAP - unexpected return\n"); CHECK_IMAGELIST(12, 16, 15); addbmp.nID = IDB_VIEW_LARGE_COLOR; rebuild_toolbar(&hToolbar); ok(SendMessageA(hToolbar, TB_ADDBITMAP, 1, (LPARAM)&addbmp) == 0, "TB_ADDBITMAP - unexpected return\n"); CHECK_IMAGELIST(12, 24, 24); addbmp.nID = IDB_HIST_SMALL_COLOR; rebuild_toolbar(&hToolbar); ok(SendMessageA(hToolbar, TB_ADDBITMAP, 1, (LPARAM)&addbmp) == 0, "TB_ADDBITMAP - unexpected return\n"); CHECK_IMAGELIST(5, 16, 15); addbmp.nID = IDB_HIST_LARGE_COLOR; rebuild_toolbar(&hToolbar); ok(SendMessageA(hToolbar, TB_ADDBITMAP, 1, (LPARAM)&addbmp) == 0, "TB_ADDBITMAP - unexpected return\n"); CHECK_IMAGELIST(5, 24, 24); DestroyWindow(hToolbar); } #define CHECK_STRING_TABLE(count, tab) { \ INT _i; \ CHAR _buf[260]; \ for (_i = 0; _i < (count); _i++) {\ ret = SendMessageA(hToolbar, TB_GETSTRING, MAKEWPARAM(260, _i), (LPARAM)_buf); \ ok(ret >= 0, "TB_GETSTRING - unexpected return %d while checking string %d\n", ret, _i); \ if (ret >= 0) \ ok(strcmp(_buf, (tab)[_i]) == 0, "Invalid string #%d - '%s' vs '%s'\n", _i, (tab)[_i], _buf); \ } \ ok(SendMessageA(hToolbar, TB_GETSTRING, MAKEWPARAM(260, (count)), (LPARAM)_buf) == -1, \ "Too many string in table\n"); \ } void test_add_string() { LPCSTR test1 = "a\0b\0"; LPCSTR test2 = "|a|b||\0"; LPCSTR ret1[] = {"a", "b"}; LPCSTR ret2[] = {"a", "b", "|a|b||"}; LPCSTR ret3[] = {"a", "b", "|a|b||", "p", "q"}; LPCSTR ret4[] = {"a", "b", "|a|b||", "p", "q", "p"}; LPCSTR ret5[] = {"a", "b", "|a|b||", "p", "q", "p", "p", "q"}; LPCSTR ret6[] = {"a", "b", "|a|b||", "p", "q", "p", "p", "q", "p", "", "q"}; LPCSTR ret7[] = {"a", "b", "|a|b||", "p", "q", "p", "p", "q", "p", "", "q", "br", "c", "d"}; HWND hToolbar = NULL; TBBUTTON button; int ret; rebuild_toolbar(&hToolbar); ret = SendMessageA(hToolbar, TB_ADDSTRINGA, 0, (LPARAM)test1); ok(ret == 0, "TB_ADDSTRINGA - unexpected return %d\n", ret); CHECK_STRING_TABLE(2, ret1); ret = SendMessageA(hToolbar, TB_ADDSTRINGA, 0, (LPARAM)test2); ok(ret == 2, "TB_ADDSTRINGA - unexpected return %d\n", ret); CHECK_STRING_TABLE(3, ret2); ret = SendMessageA(hToolbar, TB_ADDSTRINGA, (WPARAM)GetModuleHandle(NULL), IDS_TBADD1); ok(ret == 3, "TB_ADDSTRINGA - unexpected return %d\n", ret); CHECK_STRING_TABLE(3, ret2); ret = SendMessageA(hToolbar, TB_ADDSTRINGA, (WPARAM)GetModuleHandle(NULL), IDS_TBADD2); ok(ret == 3, "TB_ADDSTRINGA - unexpected return %d\n", ret); CHECK_STRING_TABLE(5, ret3); ret = SendMessageA(hToolbar, TB_ADDSTRINGA, (WPARAM)GetModuleHandle(NULL), IDS_TBADD3); ok(ret == 5, "TB_ADDSTRINGA - unexpected return %d\n", ret); CHECK_STRING_TABLE(6, ret4); ret = SendMessageA(hToolbar, TB_ADDSTRINGA, (WPARAM)GetModuleHandle(NULL), IDS_TBADD4); ok(ret == 6, "TB_ADDSTRINGA - unexpected return %d\n", ret); CHECK_STRING_TABLE(8, ret5); ret = SendMessageA(hToolbar, TB_ADDSTRINGA, (WPARAM)GetModuleHandle(NULL), IDS_TBADD5); ok(ret == 8, "TB_ADDSTRINGA - unexpected return %d\n", ret); CHECK_STRING_TABLE(11, ret6); ret = SendMessageA(hToolbar, TB_ADDSTRINGA, (WPARAM)GetModuleHandle(NULL), IDS_TBADD7); ok(ret == 11, "TB_ADDSTRINGA - unexpected return %d\n", ret); CHECK_STRING_TABLE(14, ret7); ZeroMemory(&button, sizeof(button)); button.iString = (UINT_PTR)"Test"; SendMessageA(hToolbar, TB_INSERTBUTTONA, 0, (LPARAM)&button); CHECK_STRING_TABLE(14, ret7); SendMessageA(hToolbar, TB_ADDBUTTONSA, 1, (LPARAM)&button); CHECK_STRING_TABLE(14, ret7); } START_TEST(toolbar) { WNDCLASSA wc; MSG msg; RECT rc; InitCommonControls(); wc.style = CS_HREDRAW | CS_VREDRAW; wc.cbClsExtra = 0; wc.cbWndExtra = 0; wc.hInstance = GetModuleHandleA(NULL); wc.hIcon = NULL; wc.hCursor = LoadCursorA(NULL, MAKEINTRESOURCEA(IDC_IBEAM)); wc.hbrBackground = GetSysColorBrush(COLOR_WINDOW); wc.lpszMenuName = NULL; wc.lpszClassName = "MyTestWnd"; wc.lpfnWndProc = MyWndProc; RegisterClassA(&wc); hMainWnd = CreateWindowExA(0, "MyTestWnd", "Blah", WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, 680, 260, NULL, NULL, GetModuleHandleA(NULL), 0); GetClientRect(hMainWnd, &rc); ShowWindow(hMainWnd, SW_SHOW); basic_test(); test_add_bitmap(); test_add_string(); PostQuitMessage(0); while(GetMessageA(&msg,0,0,0)) { TranslateMessage(&msg); DispatchMessageA(&msg); } DestroyWindow(hMainWnd); }