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Control.ControlAccessibleObject.GetHelpTopic Method

Gets an identifier for a Help topic and the path to the Help file associated with this accessible object.

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

public override int GetHelpTopic(
	out string fileName
)

Parameters

fileName
Type: System.String

When this method returns, contains a string that represents the path to the Help file associated with this accessible object. This parameter is passed uninitialized.

Return Value

Type: System.Int32
An identifier for a Help topic, or -1 if there is no Help topic. On return, the fileName parameter will contain the path to the Help file associated with this accessible object, or null if there is no IAccessible interface specified.

Pass the identifier to the WinHelp file specified by the fileName parameter to identify the desired Help topic.

.NET Framework

Supported in: 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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