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Quellcode

#include <windows.h>
#include <stdio.h>

LRESULT CALLBACK Message(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
bool Render(HWND hWnd);

TCHAR g_Text[10]={0};

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nShowCmd)
{
    HWND hWnd = NULL;
    MSG msg = {0};
    WNDCLASSEX Window = {0};

    Window.cbSize = sizeof(WNDCLASSEX);
    Window.cbClsExtra = 0;
    Window.cbWndExtra = 0;
    Window.hInstance = hInstance;
    Window.hbrBackground = (HBRUSH) GetStockObject(BLACK_BRUSH);
    Window.lpszMenuName = NULL;
    Window.hCursor = LoadCursor(NULL, IDC_ARROW);
    Window.hIcon = LoadIcon(NULL, IDI_WINLOGO);
    Window.lpfnWndProc = Message;
    Window.lpszClassName = TEXT("WindowClassEx");
    Window.style = CS_DBLCLKS | CS_OWNDC | CS_HREDRAW | CS_VREDRAW;
    Window.hIconSm = NULL;

    RegisterClassEx(&Window);

    hWnd = CreateWindowEx(NULL, TEXT("WindowClassEx"), TEXT("Übung"), WS_OVERLAPPEDWINDOW | WS_VISIBLE, 10, 10, 800, 600, NULL, NULL, hInstance, NULL);

    ShowWindow(hWnd, nShowCmd);
    UpdateWindow(hWnd);

    while(msg.message != WM_QUIT)
    {
        if(PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
        {
            TranslateMessage(&msg);
            DispatchMessage(&msg);
        }
        else
        {
            Render(hWnd);
            //Move
        }
    }
}

LRESULT CALLBACK Message(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
    switch(msg)
    {
        case WM_CREATE:
            return 0;
        case WM_MOUSEMOVE:
                //swprintf(g_Text, L"%i - %i", LOWORD(lParam), HIWORD(lParam));
                //MessageBox(hWnd, "Error", L"ERROR", MB_OK);
            return 0;
        case WM_PAINT:
                //Render(hWnd);
            return 0;
        case WM_DESTROY:
                PostQuitMessage(0);
            return 0;
    }

    return DefWindowProc(hWnd, msg, wParam, lParam);
}

bool Render(HWND hWnd)
{
    PAINTSTRUCT ps;
    RECT rect;
    HDC hdc;

    hdc = BeginPaint(hWnd, &ps);
    GetClientRect(hWnd, &rect);
        SetTextColor(hdc, RGB(255,0,0));
        SetBkColor(hdc, RGB(0,0,0));
        TextOut(hdc, 10, 10, L"Test", 4);//g_Text, wcslen(g_Text));
    EndPaint(hWnd, &ps);

    return true;
}