GetInterfaceImplementation()

static RuntimeType System.Runtime.InteropServices.DynamicInterfaceCastableHelpers.GetInterfaceImplementation ( IDynamicInterfaceCastable castable, RuntimeType interfaceType )

inlinestaticpackage

Definition at line 19 of file DynamicInterfaceCastableHelpers.cs.

    {
        RuntimeTypeHandle interfaceImplementation = castable.GetInterfaceImplementation(new RuntimeTypeHandle(interfaceType));
        if (interfaceImplementation.Equals(default(RuntimeTypeHandle)))
        {
            throw new InvalidCastException(SR.Format(SR.InvalidCast_FromTo, castable.GetType(), interfaceType));
        }
        RuntimeType runtimeType = interfaceImplementation.GetRuntimeType();
        if (!runtimeType.IsInterface)
        {
            throw new InvalidOperationException(SR.Format(SR.IDynamicInterfaceCastable_NotInterface, runtimeType.ToString()));
        }
        if (!runtimeType.IsDefined(typeof(DynamicInterfaceCastableImplementationAttribute), inherit: false))
        {
            throw new InvalidOperationException(SR.Format(SR.IDynamicInterfaceCastable_MissingImplementationAttribute, runtimeType, "DynamicInterfaceCastableImplementationAttribute"));
        }
        if (!runtimeType.IsAssignableTo(interfaceType))
        {
            throw new InvalidOperationException(SR.Format(SR.IDynamicInterfaceCastable_DoesNotImplementRequested, runtimeType, interfaceType));
        }
        return runtimeType;
    }

References System.RuntimeTypeHandle.Equals(), System.SR.Format(), System.Runtime.InteropServices.IDynamicInterfaceCastable.GetInterfaceImplementation(), System.RuntimeTypeHandle.GetRuntimeType(), System.SR.IDynamicInterfaceCastable_DoesNotImplementRequested, System.SR.IDynamicInterfaceCastable_MissingImplementationAttribute, System.SR.IDynamicInterfaceCastable_NotInterface, System.SR.InvalidCast_FromTo, System.Type.IsAssignableTo(), System.RuntimeType.IsDefined(), System.Type.IsInterface, and System.RuntimeType.ToString().