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SoapHeaderCollection.IndexOf Method

Determines the index of the SoapHeader in the SoapHeaderCollection.

Namespace:  System.Web.Services.Protocols
Assembly:  System.Web.Services (in System.Web.Services.dll)
public int IndexOf(
	SoapHeader header

Return Value

Type: System.Int32
The index of the header parameter, if found in the SoapHeaderCollection; otherwise, -1.
// Check to see whether the collection contains mySecondSoapHeader. 
    // Get the index of mySecondSoapHeader from the collection.
    Console.WriteLine("Index of mySecondSoapHeader: " + 

    // Get the SoapHeader from the collection.
    MySoapHeader mySoapHeader1 = (MySoapHeader)mySoapHeaderCollection
    Console.WriteLine("SoapHeader retrieved from the collection: " 
        + mySoapHeader1);

    // Remove a SoapHeader from the collection.
    Console.WriteLine("Number of items after removal: {0}", 
        "mySoapHeaderCollection does not contain mySecondSoapHeader.");

.NET Framework

Supported in: 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows Phone 8.1, Windows Phone 8, 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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