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C-/C++-Quelltext

#include <windows.h> 
#include <scrnsave.h> 

UINT timer_id; 
int r,g,b = 50; 

long WINAPI ScreenSaverProc(HWND hWnd,UINT message, 
WPARAM wParam,LPARAM lParam) 
{ 
HDC dc; 
dc = GetDC(hWnd); 
char hallo[] = "Hallo Welt"; 

    switch(message) 
    { 
    case WM_CREATE: 
        SetTimer(hWnd,timer_id,100,NULL); 
        break; 
    case WM_TIMER: 
        SetBkColor(dc,RGB(0,0,0)); 
        SetTextColor(dc,RGB(r,g,b)); 
        TextOut(dc,300,250,hallo,strlen(hallo)); 
        r = r+5; 
        b = b+10; 
        g = g+2; 
        break; 
    case WM_DESTROY: 
        KillTimer(hWnd,timer_id); 
        ReleaseDC(hWnd,dc); 
        break; 
    } 
    return DefScreenSaverProc(hWnd,message,wParam,lParam); 
} 


BOOL WINAPI ScreenSaverConfigureDialog(HWND hWnd, UINT message, 
WPARAM wParam, LPARAM lParam) 
{ 
    switch(message) 
    { 
    case WM_INITDIALOG: 
        return TRUE; 
    case WM_COMMAND: 
        switch(LOWORD(wParam)) 
        { 
        case IDOK: 
            EndDialog(hWnd,0); 
            return TRUE; 
        case IDCANCEL: 
            EndDialog(hWnd,0); 
            return FALSE; 
        } 
        break; 
        case WM_CLOSE: 
            EndDialog(hWnd,0); 
            return TRUE; 
    } 
    return FALSE; 
} 

BOOL WINAPI RegisterDialogClasses(HANDLE hInst) 
{ 
    return TRUE; 
}