Código:
#include <windows.h>
#include <commctrl.h>
#define _WIN32_IE 0x0500
LRESULT CALLBACK MainWndProc(HWND hwnd,UINT msg,WPARAM wParam,LPARAM lParam)
{
switch (msg)
{
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
return DefWindowProc(hwnd,msg,wParam,lParam);
}
return 0;
}
HWND CreateMainWindow(HINSTANCE hInstance)
{
InitCommonControls();
HWND hTmp; // Temporary handle to a window
WNDCLASSEX wcx;
ZeroMemory(&wcx,sizeof(WNDCLASSEX));
wcx.cbSize = sizeof(WNDCLASSEX);
wcx.style = CS_HREDRAW|CS_VREDRAW |CS_DBLCLKS; // Class styles
wcx.lpfnWndProc = (WNDPROC)MainWndProc; // Pointer to the callback proc
wcx.cbClsExtra = 0;
wcx.cbWndExtra = 0;
wcx.hInstance = hInstance; // Instance of the application
wcx.hIcon = NULL; // Class Icon
wcx.hCursor = LoadCursor(NULL, IDC_ARROW); // Class Cursor
wcx.hbrBackground = (HBRUSH)(COLOR_WINDOW); // Background brush
wcx.lpszMenuName = NULL; // Menu resource
wcx.lpszClassName = "Draw"; // Name of this class
wcx.hIconSm = NULL; // Small icon for this class
if (!RegisterClassEx(&wcx))
return 0;
hTmp = CreateWindowEx(0, //Extended window style
"Draw", // Window class name
"Draw 1", // Window title
WS_OVERLAPPEDWINDOW | WS_MAXIMIZE, // Window style
CW_USEDEFAULT,CW_USEDEFAULT, // (x,y) pos of window
CW_USEDEFAULT,CW_USEDEFAULT, // Width, height of window
HWND_DESKTOP, // HWND of the parent
NULL, // Handle to menu
hInstance, // Handle to application instance
NULL); // Pointer to window creation data
return hTmp;
}
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,LPSTR lpCmdLine, INT nCmdShow)
{
MSG msg; // MSG structure to store messages
hwndMain = (HWND)CreateMainWindow(hInstance);
if (!hwndMain)
return 0;
ShowWindow(hwndMain,SW_SHOW);
while (GetMessage(&msg,NULL,0,0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return msg.wParam;
}
