Control.Contains Method (Control)
.NET Framework (current version)
Retrieves a value indicating whether the specified control is a child of the control.
System.Windows.Forms (in System.Windows.Forms.dll)
Public Function Contains (
ctl As Control
) As Boolean
true if the specified control is a child of the control; otherwise, false.
The following code example ensures that a Label is visible by calling its BringToFront method. This example requires that you have a Form with a Panel named panel1, and a Label named label1.
Private Sub MakeLabelVisible()
' If the panel contains label1, bring it
' to the front to make sure it is visible.
If panel1.Contains(label1) Then
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Available since 1.1