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IWMSContext.GetIndexedValue (Visual Basic .NET)

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IWMSContext.GetIndexedValue (Visual Basic .NET)

The GetIndexedValue method retrieves a specific value, by index, from the context.

Syntax

Parameters

lIndex

Int32 containing the index.

pstrName

Reference to a String specifying the name portion of the name-value pair in the context.

plNameHint

Reference to an Int32 containing an optional key that can be used to more efficiently access a value.

pValue

Reference to an Object containing the value.

pdwResultOptions

Reserved for future use.

lOptions

Reserved for future use.

Return Values

This method does not return a value.

If this method fails, it throws an exception.

Number Description
0x8002000B The property specified by the pstrName parameter could not be found.
0x8007000E There is insufficient memory to complete the function.

Example Code

Dim Context As IWMSContext
Dim pUnknown As IntPtr
Dim strName As String
Dim iHint As Int32
Dim oValue As Object

Try
    m_ClassFactory.AllocIWMSContext(GetType(IWMSContext).GUID, _
                                 WMS_CONTEXT_TYPE.WMS_USER_CONTEXT_TYPE, _
                                 pUserContext, pUnknown)
    Context = Marshal.GetTypedObjectForIUnknown(pUnknown, _
                                                GetType(IWMSContext))

    Context.SetStringValue(WMSDefines.WMS_CONTENT_DESCRIPTION_TITLE, _
                           WMSDefines.WMS_CONTENT_DESCRIPTION_TITLE_ID, _
                           "My Title", 0)
    Context.SetLongValue(WMSDefines.WMS_CONTENT_DESCRIPTION_NO_SKIP, _
                      WMSDefines.WMS_CONTENT_DESCRIPTION_NO_SKIP_ID, 1, 0)

    Context.GetIndexedValue(0, strName, iHint, oValue, 0, 0)

Catch e As Exception
    ' TODO: Handle exceptions.
End Try

Requirements

Reference: Add a reference to Microsoft.WindowsMediaServices.

Namespace: Microsoft.WindowsMediaServices.Interop.

Assembly: Microsoft.WindowsMediaServices.dll.

Library: WMSServerTypeLib.dll.

Platform: Windows Server 2003, Enterprise Edition; Windows Server 2003, Datacenter Edition; Windows Server 2008.

See Also

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