Registers the given control with the element editor.
[Visual Basic 6.0] Sub RegisterControl(
ByVal ctrl As IMdElementCtrl, _
ByVal propname As String, _
ByVal dependencies As String _
)
[Visual Basic .NET] Public Sub RegisterControl ( _ ByVal ctrl As IMdElementCtrl, _ ByVal propname As String, _ ByVal dependencies As String _ )
[C#] public void RegisterControl ( IMdElementCtrl ctrl, string propname, string dependencies );