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Windows-API-examples/controls/button.c

70 lines
1.6 KiB

#include <windows.h>
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
#define ID_BEEP 1
#define ID_QUIT 2
int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
PWSTR lpCmdLine, int nCmdShow) {
MSG msg;
WNDCLASSW wc = {0};
wc.lpszClassName = L"Buttons";
wc.hInstance = hInstance;
wc.hbrBackground = GetSysColorBrush(COLOR_3DFACE);
wc.lpfnWndProc = WndProc;
wc.hCursor = LoadCursor(0, IDC_ARROW);
RegisterClassW(&wc);
CreateWindowW(wc.lpszClassName, L"Buttons",
WS_OVERLAPPEDWINDOW | WS_VISIBLE,
150, 150, 300, 200, 0, 0, hInstance, 0);
while (GetMessage(&msg, NULL, 0, 0)) {
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return (int) msg.wParam;
}
LRESULT CALLBACK WndProc(HWND hwnd, UINT msg,
WPARAM wParam, LPARAM lParam) {
switch(msg) {
case WM_CREATE:
CreateWindowW(L"Button", L"Beep",
WS_VISIBLE | WS_CHILD ,
20, 50, 80, 25, hwnd, (HMENU) ID_BEEP, NULL, NULL);
CreateWindowW(L"Button", L"Quit",
WS_VISIBLE | WS_CHILD ,
120, 50, 80, 25, hwnd, (HMENU) ID_QUIT, NULL, NULL);
break;
case WM_COMMAND:
if (LOWORD(wParam) == ID_BEEP) {
MessageBeep(MB_OK);
}
if (LOWORD(wParam) == ID_QUIT) {
PostQuitMessage(0);
}
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
}
return DefWindowProcW(hwnd, msg, wParam, lParam);
}