Called when the input method window has been shown to the user, after
previously not being visible.
Syntax
[Android.Runtime.Register("onWindowShown", "()V", "GetOnWindowShownHandler")] public virtual voidOnWindowShown ()
Remarks
Called when the input method window has been shown to the user, after
previously not being visible. This is done after all of the UI setup
for the window has occurred (creating its views etc).