Gets the parent control that is not parented by another Windows Forms control. Typically, this is the outermost
System.Windows.Forms.Form that the control is contained in.
シンタックス
'宣言
Public ReadOnly Property TopLevelControl As Control
public Control TopLevelControl {get;}
プロパティ値
The
System.Windows.Forms.Control that represents the top-level control that contains the current control.
参照