Control.ControlCollection.IndexOf(Control) Method
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Retrieves the index of the specified control in the control collection.
public:
int IndexOf(System::Windows::Forms::Control ^ control);C#
public int IndexOf(System.Windows.Forms.Control control);C#
public int IndexOf(System.Windows.Forms.Control? control);member this.IndexOf : System.Windows.Forms.Control -> intPublic Function IndexOf (control As Control) As IntegerA zero-based index value that represents the position of the specified Control in the Control.ControlCollection.
If the control is not found in the collection, the IndexOf method return value is -1.
| Product | Versions |
|---|---|
| .NET Framework | 1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
| Windows Desktop | 3.0, 3.1, 5, 6, 7, 8, 9, 10 |
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