Win32Application示例

逃离我推掉我的手 2022-08-06 05:18 195阅读 0赞

\#include <windows.h> \#include <tchar.h> \#include <stdio.h> LRESULT CALLBACK WinSunProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam ); int WINAPI WinMain( \_\_in HINSTANCE hInstance, \_\_in\_opt HINSTANCE hPrevInstance, \_\_in\_opt LPSTR lpCmdLine, \_\_in int nShowCmd ) \{ WNDCLASS wc; wc.cbClsExtra = 0; wc.cbWndExtra = 0; wc.hbrBackground = (HBRUSH) GetStockObject(WHITE\_BRUSH); wc.hCursor = LoadCursor(NULL, IDC\_CROSS); wc.hIcon = LoadIcon(NULL, IDI\_APPLICATION); wc.hInstance = hInstance; wc.lpszClassName = \_T("weixin"); wc.lpszMenuName = NULL; wc.style = CS\_HREDRAW | CS\_VREDRAW; wc.lpfnWndProc = WinSunProc; RegisterClass(&wc); HWND hWnd; hWnd = CreateWindow(\_T("weixin"), \_T("Hello(Test)"), WS\_OVERLAPPEDWINDOW, 0, 0, 600, 400, NULL, NULL, hInstance, NULL); ShowWindow(hWnd, SW\_NORMAL); UpdateWindow(hWnd); MSG msg; while (GetMessage(&msg, NULL, 0, 0)) \{ TranslateMessage(&msg); DispatchMessage(&msg); \} return 0; \} LRESULT CALLBACK WinSunProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam ) \{ switch (uMsg) \{ case WM\_CHAR: TCHAR szChar\[20\]; wsprintf(szChar, \_T("char is %s"), wParam); MessageBox(hwnd, szChar, \_T("tell you"), 0); break; case WM\_LBUTTONDOWN: MessageBox(hwnd, \_T("left button down"), \_T("tell you"), 0); HDC hdc; hdc = GetDC(hwnd); TextOut(hdc, 0, 50, \_T("write a string in left button down"), wcslen(\_T("write a string in left button down"))); ReleaseDC(hwnd, hdc); break; case WM\_PAINT: HDC hDc; PAINTSTRUCT ps; hDc = BeginPaint(hwnd, &ps); TextOut(hDc, 0, 0, \_T("write a string always"), wcslen(\_T("write a string always"))); EndPaint(hwnd, &ps); break; case WM\_CLOSE: if (IDYES == MessageBox(hwnd, \_T("Really to want to quit?"), \_T("quit hit"), MB\_YESNO)) \{ DestroyWindow(hwnd); \} break; case WM\_DESTROY: PostQuitMessage(0); break; default: return DefWindowProc(hwnd, uMsg, wParam, lParam); \} return 0; \}