'宣言 Public Function DrawToolbarButton( _ ByVal splitButton As Boolean, _ ByVal dropDownButton As Boolean, _ ByVal buttonState As UIElementButtonState, _ ByRef drawParams As UIElementDrawParams, _ ByVal rect As Rectangle, _ ByVal clipRect As Rectangle _ ) As Boolean
public bool DrawToolbarButton( bool splitButton, bool dropDownButton, UIElementButtonState buttonState, ref UIElementDrawParams drawParams, Rectangle rect, Rectangle clipRect )