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C-/C++-Quelltext

LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM);

C-/C++-Quelltext

#include <windows.h>

char WINDOW_TITLE[] = "Titel";

LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM);

int WINAPI WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance, LPTSTR cmdLine, int cmdShow )
{
// Define the window

WNDCLASSEX wcex;
wcex.cbSize = sizeof( WNDCLASSEX );
wcex.style = CS_HREDRAW | CS_VREDRAW | CS_OWNDC;
wcex.lpfnWndProc = WndProc;
wcex.cbClsExtra = 0;
wcex.cbWndExtra = 0;
wcex.hInstance = hInstance;
wcex.hIcon = NULL;
wcex.hCursor = LoadCursor( hInstance, IDC_ARROW );
wcex.hbrBackground = (HBRUSH)GetStockObject( WHITE_BRUSH );
wcex.lpszMenuName = NULL;
wcex.lpszClassName = WINDOW_TITLE;

// Register the window

RegisterClassEx( &wcex );

// Create the window

HWND hWnd = CreateWindow( WINDOW_TITLE, WINDOW_TITLE, WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, 500, 500, 0, 0, hInstance, 0 );


ShowWindow( hWnd, SW_SHOW );
UpdateWindow( hWnd );

// Main loop

MSG msg;
while ( 1 )
{
// Only render when there are no messages

if ( PeekMessage( &msg, NULL, 0, 0, PM_REMOVE ) )
{
if ( msg.message == WM_QUIT)
{
break;

}
TranslateMessage( &msg );
DispatchMessage ( &msg );

}
else
{
// Render a frame


}

}

return 0;

}

C-/C++-Quelltext

#include <windows.h>

LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM); 

int WINAPI WinMain (HINSTANCE hI, HINSTANCE hPrI, PSTR szCmdLine, int iCmdShow)
{
char AppName[] = "Fensterklasse";
WNDCLASS WinClass;

WinClass.style         = CS_HREDRAW | CS_VREDRAW;
WinClass.lpfnWndProc   = WndProc;
WinClass.cbClsExtra    = 0;
WinClass.cbWndExtra    = 0;
WinClass.hInstance     = hI;
WinClass.hIcon         = LoadIcon (NULL, IDI_WINLOGO);
WinClass.hCursor       = LoadCursor (NULL, IDC_ARROW);
WinClass.hbrBackground = (HBRUSH) GetStockObject (BLACK_BRUSH);
WinClass.lpszMenuName  = NULL;
WinClass.lpszClassName = AppName;

RegisterClass (&WinClass);

HWND Fenster = CreateWindow (AppName, "", WS_SYSMENU | WS_THICKFRAME, 500, 500, 350, 350, NULL, NULL, hI, NULL);

ShowWindow   (Fenster, iCmdShow);
UpdateWindow (Fenster);

MSG msg;
    while (GetMessage (&msg, NULL, 0, 0))
    {
        TranslateMessage (&msg);
        DispatchMessage (&msg);
    }
return msg.wParam;
}


LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
    HDC hdc;

switch (message)
{
    case WM_DESTROY:
    PostQuitMessage (0);
    return 0;
}

return DefWindowProc (hwnd, message, wParam, lParam);
}