'宣言 Public Overloads Function DrawPushButton( _ ByRef drawParams As UIElementDrawParams, _ ByVal rect As Rectangle, _ ByVal clipRect As Rectangle, _ ByVal buttonState As UIElementButtonState, _ ByVal isDefault As Boolean _ ) As Boolean
public bool DrawPushButton( ref UIElementDrawParams drawParams, Rectangle rect, Rectangle clipRect, UIElementButtonState buttonState, bool isDefault )