Control.ControlCollection.IndexOf(Control) Method

Reference

Definition

Namespace:: System.Windows.Forms

Assembly:: System.Windows.Forms.dll

Source:: Control.ControlCollection.cs

Source:: Control.ControlCollection.cs

Source:: Control.ControlCollection.cs

Important

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Retrieves the index of the specified control in the control collection.

public:
 int IndexOf(System::Windows::Forms::Control ^ control);

public int IndexOf(System.Windows.Forms.Control control);

public int IndexOf(System.Windows.Forms.Control? control);

member this.IndexOf : System.Windows.Forms.Control -> int

Public Function IndexOf (control As Control) As Integer

Parameters

control: Control

The Control to locate in the collection.

Returns

Int32

A zero-based index value that represents the position of the specified Control in the Control.ControlCollection.

Remarks

If the control is not found in the collection, the IndexOf method return value is -1.

Applies to

Продукт	Версии
.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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