extern void WM_Invalidate(tWindow *Window);
extern void WM_SetWindowTitle(tWindow *Window, const char *Title);
extern void WM_FocusWindow(tWindow *Destination);
extern void WM_RaiseWindow(tWindow *Window);
extern void WM_ShowWindow(tWindow *Window, int bShow);
extern void WM_DecorateWindow(tWindow *Window, int bDecorate);
extern void WM_Invalidate(tWindow *Window);
extern void WM_SetWindowTitle(tWindow *Window, const char *Title);
extern void WM_FocusWindow(tWindow *Destination);
extern void WM_RaiseWindow(tWindow *Window);
extern void WM_ShowWindow(tWindow *Window, int bShow);
extern void WM_DecorateWindow(tWindow *Window, int bDecorate);