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#include <windows.h>
LRESULT CALLBACK WindowProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam);
int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrevInst,
LPSTR lpcmdline, int ncmdshow)
{
WNDCLASSEX windowclass; //Struktur für Fenstereigenschaften
HWND hWnd;//Fenster - Handle
MSG message; //Nachricht
DWORD dwErr;
char szBuf[512];
const char szClassName[] = "Erstes Fenster";
windowclass.cbSize = sizeof(WNDCLASSEX);
windowclass.style = CS_HREDRAW | CS_VREDRAW;
windowclass.lpfnWndProc = WindowProc;
windowclass.cbClsExtra = 0;
windowclass.cbWndExtra = 0;
windowclass.hIcon = LoadIcon(NULL, IDI_APPLICATION);
windowclass.hIconSm = LoadIcon(NULL, IDI_APPLICATION);
windowclass.hCursor = LoadCursor(NULL, IDC_ARROW);
windowclass.hbrBackground = (HBRUSH) COLOR_BACKGROUND + 1;
windowclass.lpszMenuName = NULL;
windowclass.lpszClassName = szClassName;
if(!RegisterClassEx(&windowclass))
return 0;
hWnd = CreateWindowEx(NULL,windowclass.lpszClassName , "Das erste Fenster",
WS_OVERLAPPEDWINDOW | WS_VISIBLE,
100,100,
300, 250,
NULL,
NULL,
hInst,
NULL);
if(hWnd == NULL)
{
dwErr = GetLastError();
return 0;
}
while(GetMessage(&message, NULL, 0 ,0))
{
TranslateMessage(&message);
DispatchMessage(&message);
}
return (int) (message.wParam);
}
LRESULT CALLBACK WindowProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
switch(message)
{
case WM_DESTROY: {
PostQuitMessage(0);
return 0;
}
case WM_KEYDOWN: {
switch(wParam)
{
case VK_ESCAPE:
{
PostQuitMessage(0);
return 0;
}
}
}break;
}
return (DefWindowProc(hWnd, message, wParam, lParam));
}
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