Use this interface to hide or show the Attributes window and access the object inspector currently loaded inside of it. A reference can be obtained using the IEditor::FindExtension method.
attWin=m_editor.FindExtension(attributeuID) as IAttributeWindow; attWin.Visible=true;
[Visual Basic .NET]
Dim m_editor as IEditor Dim editUiD as New UID Dim attWindow as IAttributeWindow Dim attWindowiD As New UID
'm_application comes from hook parameter in ICommand::OnCreate method.
'Or is provided in Add-in's with the ArcMap object.
edituiD.Value= "esriEditor.Editor"
m_editor=m_application.FindExtensionByCLSID(editUiD)
attWindowiD="esriEditor.AttributeWindow" attWindow=m_editor.FindExtension(attWindowiD)