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IWMSContext.GetQwordValue (Visual Basic .NET)

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IWMSContext.GetQwordValue (Visual Basic .NET)

The GetQwordValue method retrieves a Decimal value from the specified context.

Syntax

Parameters

pstrName

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

lNameHint

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

pqwValue

Reference to a Decimal containing the value.

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.
0x80020005 The data type of the property specified by the pstrName parameter is not VT_CY or VT_UI8.
0x80004003 pqwValue is null.

Example Code

Dim Context As IWMSContext
Dim pUnknown As IntPtr
Dim dValue As Decimal

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.GetQwordValue(WMSDefines.WMS_ARCHIVE_FILE_SIZE, _
                          WMSDefines.WMS_ARCHIVE_FILE_SIZE_ID, _
                          dValue, 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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