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Control::ControlCollection::IndexOf Method

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

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

public:
int IndexOf(
	Control^ control
)

Parameters

control
Type: System.Windows.Forms::Control

The Control to locate in the collection.

Return Value

Type: System::Int32
A 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.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

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