public void RegisterClipboardEvent(string Purpose, Action OnClipboardDraw)
{
ClipboardEventListenerWindow clipboardEventListenerWindow = RegisteredClipboardEventListeners.SingleOrDefault(o => o.ClipboardEvent.Purpose == Purpose);
if (clipboardEventListenerWindow == null)
{
ClipboardEvent clipboardEvent = new ClipboardEvent() { Purpose = Purpose, OnClipboardDraw = OnClipboardDraw };
ClipboardEventListenerWindow window = new ClipboardEventListenerWindow(clipboardEvent);
IntPtr windowHandle = window.Handle;
bool issuccess = WinApiMethods.AddClipboardFormatListener(windowHandle);
if (!issuccess)
{
Win32Exception ex = new Win32Exception(Marshal.GetLastWin32Error());
throw ex;
}
else
{
RegisteredClipboardEventListeners.Add(clipboardEventListenerWindow);
}
}
else
{
throw new AlreadyMappedException(clipboardEventListenerWindow.ClipboardEvent);
}
}
public void UnRegisterClipboardEvent(string Purpose)
{
ClipboardEventListenerWindow clipboardEventListenerWindow = RegisteredClipboardEventListeners.SingleOrDefault(o => o.ClipboardEvent.Purpose == Purpose);
if (clipboardEventListenerWindow != null)
{
bool issuccess = WinApiMethods.RemoveClipboardFormatListener(clipboardEventListenerWindow.Handle);
if (!issuccess)
{
Win32Exception ex = new Win32Exception(Marshal.GetLastWin32Error());
throw ex;
}
else
{
RegisteredClipboardEventListeners.Remove(clipboardEventListenerWindow);
}
}
else
{
throw new ClipboardEventNotFoundException(Purpose);
}
}
