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);
}
private unsafe static int Do_Abi_GetRuntimeClassName(IntPtr pThis, out IntPtr className)
{
className = default;
try
{
string runtimeClassName = ComWrappersSupport.GetInspectableInfo(pThis).RuntimeClassName;
className = MarshalString.FromManaged(runtimeClassName);
}
catch (Exception ex)
{
return(ex.HResult);
}
return(0);
}
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 static unsafe MarshalString CreateMarshaler(string value)
{
if (value == null)
{
return(null);
}
var m = new MarshalString();
Func <bool> dispose = () => { m.Dispose(); return(false); };
try
{
m._gchandle = GCHandle.Alloc(value, GCHandleType.Pinned);
fixed(void *chars = value, header = &m._header, handle = &m._handle)
{
Marshal.ThrowExceptionForHR(Platform.WindowsCreateStringReference(
(char *)chars, value.Length, (IntPtr *)header, (IntPtr *)handle));
};
return(m);
}
catch (Exception) when(dispose())
{
// Will never execute
return(default);
