@@ -38,12 +38,12 @@ private async void myButton_Click(object sender, RoutedEventArgs e)
3838
3939 //Interop helpers for non-CoreWindow
4040 IntPtr windowHandle = ( App . Current as App ) . WindowHandle ;
41- System . Diagnostics . Debug . WriteLine ( "WindowId:" + windowHandle . ToString ( ) ) ;
4241 var result = await UserConsentVerifierInterop . RequestVerificationForWindowAsync ( windowHandle , "test" ) ;
42+
4343 }
4444 }
4545
46-
46+
4747 //MIDL_INTERFACE("39E050C3-4E74-441A-8DC0-B81104DF949C")
4848 //IUserConsentVerifierInterop : public IInspectable
4949 //{
@@ -54,7 +54,7 @@ private async void myButton_Click(object sender, RoutedEventArgs e)
5454 // /* [in] */ REFIID riid,
5555 // /* [iid_is][retval][out] */ void **asyncOperation) = 0;
5656 //};
57-
57+
5858 [ ComImport ]
5959 [ Guid ( "39E050C3-4E74-441A-8DC0-B81104DF949C" ) ]
6060 // Note: Invoking methods on ComInterfaceType.InterfaceIsIInspectable interfaces
@@ -65,23 +65,56 @@ public interface IUserConsentVerifierInterop
6565 void GetIids ( out int iidCount , out IntPtr iids ) ;
6666 void GetRuntimeClassName ( out IntPtr className ) ;
6767 void GetTrustLevel ( out TrustLevel trustLevel ) ;
68- void RequestVerificationForWindowAsync ( IntPtr appWindow , IntPtr hstrMessage , [ In ] Guid riid , out IntPtr outPtr ) ;
68+ void RequestVerificationForWindowAsync ( IntPtr appWindow , IntPtr hstrMessage , [ In ] ref Guid riid , out IntPtr outPtr ) ;
6969 }
7070
7171 //Helper to initialize UserConsentVerifier
7272 public static class UserConsentVerifierInterop
7373 {
7474 public static IAsyncOperation < UserConsentVerificationResult > RequestVerificationForWindowAsync ( IntPtr hWnd , string Message )
7575 {
76- Guid guid = typeof ( IAsyncOperation < UserConsentVerificationResult > ) . GUID ;
77-
76+ //Use WinRT's GuidGenerator to get the correct guid
77+ var guid = GuidGenerator . CreateIID ( typeof ( IAsyncOperation < UserConsentVerificationResult > ) ) ;
78+
79+ //leverage winrt .As<> operator to cast winrt type to its interop interface
7880 IUserConsentVerifierInterop userConsentVerifierInterop = UserConsentVerifier . As < IUserConsentVerifierInterop > ( ) ;
81+
82+ //Handle marshalling the string to WinRT's HString
7983 var marshalStr = MarshalString . CreateMarshaler ( Message ) ;
8084
85+ //Call the Interop api that pops a dialog, passing in the hWnd parameter
8186 IntPtr outPtr ;
82- userConsentVerifierInterop . RequestVerificationForWindowAsync ( hWnd , MarshalString . GetAbi ( marshalStr ) , guid , out outPtr ) ;
87+ userConsentVerifierInterop . RequestVerificationForWindowAsync ( hWnd , MarshalString . GetAbi ( marshalStr ) , ref guid , out outPtr ) ;
88+
89+ //Marshal the return object as an IAsyncOperation<>
8390 return ( IAsyncOperation < UserConsentVerificationResult > ) IInspectable . FromAbi ( outPtr ) ;
91+
8492 }
8593 }
8694
95+
96+ //MIDL_INTERFACE("AF86E2E0-B12D-4c6a-9C5A-D7AA65101E90")
97+ //IInspectable : public IUnknown
98+ //{
99+ //public:
100+ // virtual HRESULT STDMETHODCALLTYPE GetIids(
101+ // /* [out] */ __RPC__out ULONG *iidCount,
102+ // /* [size_is][size_is][out] */ __RPC__deref_out_ecount_full_opt(* iidCount) IID **iids) = 0;
103+ // virtual HRESULT STDMETHODCALLTYPE GetRuntimeClassName(
104+ // /* [out] */ __RPC__deref_out_opt HSTRING *className) = 0;
105+ // virtual HRESULT STDMETHODCALLTYPE GetTrustLevel(
106+ // /* [out] */ __RPC__out TrustLevel *trustLevel) = 0;
107+ //};
108+
109+ //[ComImport]
110+ //[Guid("AF86E2E0-B12D-4c6a-9C5A-D7AA65101E90")]
111+ //[InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
112+ //public interface WinRTIInspectable
113+ //{
114+ // void GetIids(out int iidCount, out IntPtr iids);
115+ // void GetRuntimeClassName(out IntPtr className);
116+ // void GetTrustLevel(out TrustLevel trustLevel);
117+ //}
118+
119+
87120}
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