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Control.ControlCollection.GetChildIndex Method (Control)

Retrieves the index of the specified child control within the control collection.

Namespace:  System.Windows.Forms
Assembly:  System.Windows.Forms (in System.Windows.Forms.dll)

public int GetChildIndex(
	Control child
)

Parameters

child
Type: System.Windows.Forms.Control

The Control to search for in the control collection.

Return Value

Type: System.Int32
A zero-based index value that represents the location of the specified child control within the control collection.

ExceptionCondition
ArgumentException

The child Control is not in the Control.ControlCollection.

The control with an index value of zero is at the top of the z-order, and higher numbers are closer to the bottom.

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 3.5, 2.0, 1.0

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