ActiveX control requires Window Handle!

[bart]

Im developing a Wysiwyg User control based on the AxDHTMLEdit ActiveX control.

 

The ActiveX control is contained within a wrapper user control which is contained in another user control that is used by a forms application. In the disposal of the wrapper control, this exception is thrown:

 

An unhandled exception of type 'System.Reflection.TargetInvocationException' occurred in system.windows.forms.dll

 

Additional information: Unable to get the window handle for the 'AxDHTMLEdit' control. Windowless ActiveX controls are not supported.

 

I've done a lot of searching over the web and from what I can tell, an ActiveX control must know the handle of its parent window. Given that Handle property of the AxDHTMLEdit control is ready only - I'd assume that this should be handled by the CLR - but alas something is going wrong.

 

Whats happening here?

[Volte]

Try looking at this COM wrapper control for the HTML editor control. It may not be exactly what you want, but I think it is.