public unsafe (ObjectReference <IActivationFactoryVftbl> obj, int hr) GetActivationFactory(string runtimeClassId)
{
IntPtr instancePtr;
var hstrRuntimeClassId = MarshalString.CreateMarshaler(runtimeClassId);
int hr = _GetActivationFactory(MarshalString.GetAbi(hstrRuntimeClassId), out instancePtr);
return(hr == 0 ? ObjectReference <IActivationFactoryVftbl> .Attach(ref instancePtr) : null, hr);
}
public static unsafe (ObjectReference <IActivationFactoryVftbl> obj, int hr) GetActivationFactory(string runtimeClassId)
{
var module = Instance; // Ensure COM is initialized
Guid iid = typeof(IActivationFactoryVftbl).GUID;
IntPtr instancePtr;
var hstrRuntimeClassId = MarshalString.CreateMarshaler(runtimeClassId);
int hr = Platform.RoGetActivationFactory(MarshalString.GetAbi(hstrRuntimeClassId), ref iid, &instancePtr);
return(hr == 0 ? ObjectReference <IActivationFactoryVftbl> .Attach(ref instancePtr) : null, hr);
}
public virtual unsafe int TryAs <T>(Guid iid, out ObjectReference <T> objRef)
{
objRef = null;
ThrowIfDisposed();
int hr = VftblIUnknown.QueryInterface(ThisPtr, ref iid, out IntPtr thatPtr);
if (hr >= 0)
{
objRef = ObjectReference <T> .Attach(ref thatPtr);
}
return(hr);
}
protected override unsafe void Release()
{
ComCallData data = default;
IntPtr contextCallbackPtr = _contextCallbackPtr;
var contextCallback = new ABI.WinRT.Interop.IContextCallback(ObjectReference <ABI.WinRT.Interop.IContextCallback.Vftbl> .Attach(ref contextCallbackPtr));
contextCallback.ContextCallback(_ =>
{
base.Release();
return(0);
}, &data, IID_ICallbackWithNoReentrancyToApplicationSTA, 5);
}
public unsafe ObjectReference <T> As <T>(Guid iid)
{
ThrowIfDisposed();
Marshal.ThrowExceptionForHR(VftblIUnknown.QueryInterface(ThisPtr, ref iid, out IntPtr thatPtr));
if (IsAggregated)
{
Marshal.Release(thatPtr);
}
AddRefFromTrackerSource();
var objRef = ObjectReference <T> .Attach(ref thatPtr);
objRef.IsAggregated = IsAggregated;
objRef.PreventReleaseOnDispose = IsAggregated;
objRef.ReferenceTrackerPtr = ReferenceTrackerPtr;
return(objRef);
}
public static unsafe (ObjectReference <IActivationFactoryVftbl> obj, int hr) GetActivationFactory(string runtimeClassId)
{
// TODO: "using var" with ref struct and remove the try/catch below
var m = MarshalString.CreateMarshaler(runtimeClassId);
try
{
IntPtr instancePtr;
int hr;
(instancePtr, hr) = GetActivationFactory(MarshalString.GetAbi(m));
return(hr == 0 ? ObjectReference <IActivationFactoryVftbl> .Attach(ref instancePtr) : null, hr);
}
finally
{
m.Dispose();
}
}
public static unsafe (ObjectReference <IActivationFactoryVftbl> obj, int hr) GetActivationFactory(string runtimeClassId)
{
// TODO: "using var" with ref struct and remove the try/catch below
var m = MarshalString.CreateMarshaler(runtimeClassId);
Func <bool> dispose = () => { m.Dispose(); return(false); };
try
{
IntPtr instancePtr;
int hr;
(instancePtr, hr) = GetActivationFactory(MarshalString.GetAbi(m));
return(hr == 0 ? ObjectReference <IActivationFactoryVftbl> .Attach(ref instancePtr) : null, hr);
}
catch (Exception) when(dispose())
{
// Will never execute
return(default);
public virtual unsafe int TryAs <T>(Guid iid, out ObjectReference <T> objRef)
{
objRef = null;
ThrowIfDisposed();
int hr = VftblIUnknown.QueryInterface(ThisPtr, ref iid, out IntPtr thatPtr);
if (hr >= 0)
{
if (IsAggregated)
{
Marshal.Release(thatPtr);
}
AddRefFromTrackerSource();
objRef = ObjectReference <T> .Attach(ref thatPtr);
objRef.IsAggregated = IsAggregated;
objRef.PreventReleaseOnDispose = IsAggregated;
objRef.ReferenceTrackerPtr = ReferenceTrackerPtr;
}
return(hr);
}
public unsafe ObjectReference <T> As <T>(Guid iid)
{
ThrowIfDisposed();
Marshal.ThrowExceptionForHR(VftblIUnknown.QueryInterface(ThisPtr, ref iid, out IntPtr thatPtr));
return(ObjectReference <T> .Attach(ref thatPtr));
}
public unsafe AgileReference(IObjectReference instance)
{
if (instance?.ThisPtr == null)
{
return;
}
IntPtr agileReference = default;
Guid iid = typeof(IUnknownVftbl).GUID;
try
{
Marshal.ThrowExceptionForHR(Platform.RoGetAgileReference(
0 /*AGILEREFERENCE_DEFAULT*/,
ref iid,
instance.ThisPtr,
&agileReference));
#if NET5_0
_agileReference = (IAgileReference) new SingleInterfaceOptimizedObject(typeof(IAgileReference), ObjectReference <ABI.WinRT.Interop.IAgileReference.Vftbl> .Attach(ref agileReference));
#else
_agileReference = ABI.WinRT.Interop.IAgileReference.FromAbi(agileReference).AsType <ABI.WinRT.Interop.IAgileReference>();
#endif
}
catch (TypeLoadException)
{
_cookie = Git.Value.RegisterInterfaceInGlobal(instance, iid);
}
finally
{
MarshalInterface <IAgileReference> .DisposeAbi(agileReference);
}
}
public static IObjectReference CreateCCWForObject(object obj)
{
IntPtr ccw = ComWrappers.GetOrCreateComInterfaceForObject(obj, CreateComInterfaceFlags.TrackerSupport);
return(ObjectReference <IUnknownVftbl> .Attach(ref ccw));
}
public static void DisposeContextCallback(IntPtr contextCallbackPtr)
{
using var contextcallback = ObjectReference <ABI.WinRT.Interop.IContextCallback.Vftbl> .Attach(ref contextCallbackPtr);
}
