Invalidates the specified region of the control (adds it to the control's update region, which is the area that will be repainted at the next paint operation), and causes a paint message to be sent to the control.
シンタックス
'宣言
Public Overloads Sub Invalidate( _
ByVal As Region _
)
public void Invalidate(
Region
)
パラメータ
- region
- The System.Drawing.Region to invalidate.
参照