#include <windows.h>
LRESULT CALLBACK WndProc(HWND,UINT,WPARAM,LPARAM); //窗口过程
int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,LPSTR lpCmdLine,int nCmdShow)
{
HWND hwnd; //窗口句柄
MSG msg; //消息
WNDCLASS wndclass; //窗口类型
wndclass.style =CS_HREDRAW|CS_VREDRAW;
wndclass.lpfnWndProc =WndProc;
wndclass.cbClsExtra =0;
wndclass.cbWndExtra =0;
wndclass.hInstance =hInstance;
wndclass.hIcon =LoadIcon(NULL,IDI_APPLICATION);
wndclass.hCursor =LoadCursor(NULL,IDC_ARROW);
wndclass.hbrBackground =(HBRUSH)GetStockObject(WHITE_BRUSH);
wndclass.lpszMenuName =NULL;
wndclass.lpszClassName ="HelloWin"; //窗口类名
if(!RegisterClass(&wndclass)) //注册窗口
{
MessageBox(NULL,"窗口注册失败！","HelloWin",0);
return 0;
}
//创建窗口
hwnd=CreateWindow(
"HelloWin", //窗口类名
"我的窗口", //窗口标题
WS_OVERLAPPEDWINDOW, //窗口式样
CW_USEDEFAULT, //窗口最初的X位置
CW_USEDEFAULT, //窗口最初的Y位置
CW_USEDEFAULT, //窗口最初的X位置
CW_USEDEFAULT, //窗口最初的Y位置
NULL, //父窗口的句柄
NULL, //窗口菜单句柄
hInstance, //应用程序实例句柄
NULL); //创建窗口的参数
ShowWindow(hwnd,nCmdShow); //显示窗口
UpdateWindow(hwnd); //更新窗口，包括窗口的客户区
//进入消息循环：当从应用程序消息队列中检取的消息是WM_QUIT时，则退出循环
while(GetMessage(&msg,NULL,0,0))
{
TranslateMessage(&msg); //转换某些键盘消息
DispatchMessage(&msg); //将消息发送给窗口过程，这里是WndProc
}
return msg.wParam;
}
LRESULT CALLBACK WndProc(HWND hwnd,UINT message, WPARAM wParam,LPARAM lParam)
{
switch(message)
{
case WM_CREATE: //窗口创建产生的消息
return 0;
case WM_LBUTTONDOWN:
MessageBox(NULL,"你好，我的Visual C++世界!","问候",0);
case WM_DESTROY: //当窗口关闭时产生的消息
PostQuitMessage(0);
return 0;
}
return DefWindowProc(hwnd,message,wParam,lParam); //执行默认的消息处理
}