Office 2003 VBA Language Reference
PasteFace Method
Pastes the contents of the Clipboard onto a command bar button control.
expression.PasteFace
expression Required. An expression that returns a CommandBarButton object.
This example finds the built-in FileOpen button and pastes the face from the Spelling and Grammar button onto it from the Clipboard.
Set myControl = CommandBars.FindControl(Type:=msoControlButton, Id:=2)
myControl.CopyFace
Set myControl = CommandBars.FindControl(Type:=msoControlButton, Id:=23)
myControl.PasteFace