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GrapeCity.Documents.DX.Windows Assembly / GrapeCity.Documents.DX Namespace / ComObject Class / QueryInterfaceOrNull Method / QueryInterfaceOrNull<T>(IntPtr) Method
The type of the COM interface to query
A pointer to a COM object.

In This Topic
    QueryInterfaceOrNull<T>(IntPtr) Method
    In This Topic
    Queries a managed object for a particular COM interface support.
    Syntax
    'Declaration
 
Public Overloads Shared Function QueryInterfaceOrNull(Of T As ComObject)( _
   ByVal comPointer As System.IntPtr _
) As T
    public static T QueryInterfaceOrNull<T>( 
   System.IntPtr comPointer
)
where T: ComObject

    Parameters

    comPointer
    A pointer to a COM object.

    Type Parameters

    T
    The type of the COM interface to query

    Return Value

    An instance of the queried interface
    See Also

    Reference

    ComObject Class
    ComObject Members
    Overload List