Control.Contains Method
Retrieves a value indicating whether the specified control is a child of the control.
[Visual Basic] Public Function Contains( _ ByVal ctl As Control _ ) As Boolean [C#] public bool Contains( Control ctl ); [C++] public: bool Contains( Control* ctl ); [JScript] public function Contains( ctl : Control ) : Boolean;
Parameters
- ctl
- The Control to evaluate.
Return Value
true if the specified control is a child of the control; otherwise, false.
Example
[Visual Basic, C#, C++] The following example ensures that a Label is visible by calling its BringToFront method. This example assumes you have a Form with a Panel named panel1, and a Label named label1.
[Visual Basic] Private Sub MakeLabelVisible() ' If the panel contains label1, bring it ' to the front to make sure it is visible. If panel1.Contains(label1) Then label1.BringToFront() End If End Sub [C#] private void MakeLabelVisible() { /* If the panel contains label1, bring it * to the front to make sure it is visible. */ if(panel1.Contains(label1)) { label1.BringToFront(); } } [C++] private: void MakeLabelVisible() { /* If the panel contains label1, bring it * to the front to make sure it is visible. */ if (panel1->Contains(label1)) { label1->BringToFront(); } }
[JScript] No example is available for JScript. To view a Visual Basic, C#, or C++ example, click the Language Filter button
in the upper-left corner of the page.
Requirements
Platforms: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family
See Also
Control Class | Control Members | System.Windows.Forms Namespace | Contains | Controls | Parent