一个简单的Win32 SDK窗口程序

#include <windows.h>#pragma comment(linker, "/subsystem:windows")LRESULT CALLBACK WndProc( HWND, UINT, WPARAM, LPARAM );int WINAPI WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nShowCmd ){WNDCLASS wndclass;wndclass.cbClsExtra = 0;wndclass.cbWndExtra = 0;wndclass.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);wndclass.hCursor = LoadCursor(NULL,IDC_ARROW);wndclass.hIcon = LoadIcon(NULL,IDI_APPLICATION);wndclass.hInstance = hInstance;wndclass.lpfnWndProc = WndProc;wndclass.lpszClassName = "leng_que";wndclass.lpszMenuName = NULL;wndclass.style = CS_HREDRAW | CS_VREDRAW;RegisterClass( &wndclass );HWND hwnd = CreateWindow(wndclass.lpszClassName,"窗口标题 - L",WS_OVERLAPPEDWINDOW,CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,NULL,NULL,hInstance,NULL);ShowWindow(hwnd,nShowCmd);UpdateWindow(hwnd);MSG msg;while ( GetMessage( &msg, NULL, 0, 0 ) ){TranslateMessage(&msg);DispatchMessage(&msg);}UnregisterClass( wndclass.lpszClassName, wndclass.hInstance );return 0;}LRESULT CALLBACK WndProc(HWND hwnd,UINT message,WPARAM wParam,LPARAM lParam){switch(message){case WM_CREATE:MessageBox( NULL, "窗口被创建了哦", "信息", 0 );break;case WM_LBUTTONDOWN:MessageBox( NULL, "你按下了左键哦", "信息", 0 );break;case WM_RBUTTONDOWN:MessageBox( NULL, "你按下了右键哦", "信息", 0 );break;case WM_DESTROY:PostQuitMessage(0);break;}return DefWindowProc(hwnd,message,wParam,lParam);}