protected override void OnHandleCreated(EventArgs e)
{
base.OnHandleCreated(e);
User32.SetParent(Handle, (IntPtr)User32.HwndMessage);
User32.AddClipboardFormatListener(Handle);
}
// on load: (hide this window)
protected override void SetVisibleCore(bool value)
{
CreateHandle();
mInstance = this;
bool b = User32.AddClipboardFormatListener(mInstance.Handle);
base.SetVisibleCore(false);
}
protected override void OnSourceInitialized(EventArgs e)
{
base.OnSourceInitialized(e);
Handle = new WindowInteropHelper(this).Handle;
HwndSource source = PresentationSource.FromVisual(this) as HwndSource;
source?.AddHook(new HwndSourceHook(WndProcHook));
// Clipboard
User32.AddClipboardFormatListener(Handle);
}
public bool RegisterClipboardListener()
{
if (Environment.OSVersion.Version.Major < 6)
{
m_bCallingSetClipboardViewer = true;
hwndNextViewer = User32.SetClipboardViewer(this.Handle);
m_bCallingSetClipboardViewer = false;
if (hwndNextViewer != IntPtr.Zero)
{
return(true);
}
else
{
return(false);
}
}
else
{
return(User32.AddClipboardFormatListener(this.Handle));
}
}
void RegisterWin32()
{
User32.AddClipboardFormatListener(Handle);
}