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C1.WPF.DX.4.5.2 Assembly / C1.Util.DX Namespace / IUnknown Interface / QueryInterface Method
The guid of the interface.
The output COM object reference.

In This Topic
    QueryInterface Method (IUnknown)
    In This Topic
    Queries the supported COM interface on this instance.
    Syntax
    'Declaration
 
Function QueryInterface( _
   ByRef guid As Guid, _
   ByRef comObject As IntPtr _
) As HResult
    HResult QueryInterface( 
   ref Guid guid,
   out IntPtr comObject
)

    Parameters

    guid
    The guid of the interface.
    comObject
    The output COM object reference.

    Return Value

    If successfull, HResult.Ok
    See Also

    Reference

    IUnknown Interface
    IUnknown Members