Demo下载地址：

 

#include 
     
      #include "resource.h"LRESULT CALLBACK WindowProc( HWND hwnd,      // handle to window                             UINT uMsg,      // message identifier                             WPARAM wParam,  // first message parameter                             LPARAM lParam   // second message parameter                            );int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow){    // 延时防止双击exe关闭屏幕后，又打开屏幕。关闭屏幕的消息，先于系统的双击消息；    Sleep(200);    ::SendMessage(HWND_BROADCAST, WM_SYSCOMMAND,  SC_MONITORPOWER,  (LPARAM)2);    static TCHAR szAppName[] = TEXT("HelloWin");    WNDCLASS wndClass;    wndClass.style = CS_HREDRAW | CS_VREDRAW;    wndClass.lpfnWndProc = WindowProc;    wndClass.cbClsExtra = 0;    wndClass.cbWndExtra = 0;    wndClass.hInstance = hInstance;    wndClass.hIcon = LoadIcon(hInstance, (char*)IDI_ICON1);    wndClass.hCursor = LoadCursor(NULL, IDC_ARROW);    wndClass.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);    wndClass.lpszMenuName = NULL;    wndClass.lpszClassName = szAppName;    if (!RegisterClass(&wndClass))    {        MessageBox(NULL, TEXT("注册窗口失败!"), TEXT(""), 0);        return 0;    }    HWND hWnd = CreateWindow(szAppName, TEXT("Hello Program"),        WS_OVERLAPPEDWINDOW, 0, 0, 0, 0,        NULL, NULL, hInstance, NULL);    ::SendMessage(hWnd, WM_DESTROY, 0, NULL);        return 0;}LRESULT CALLBACK WindowProc( HWND hwnd,      // handle to window                            UINT uMsg,      // message identifier                            WPARAM wParam,  // first message parameter                            LPARAM lParam   // second message parameter                            ){    HDC  hdc;    PAINTSTRUCT ps;    RECT rect;    switch (uMsg)    {        case WM_DESTROY:            PostQuitMessage(0);            return 0;    }    return DefWindowProc(hwnd, uMsg, wParam, lParam);}