/// <summary>
/// Returns the requested interface pointer specified by itfType from the CCWActivationFactory
/// object instance. Typically the requested interface is the
/// System.Runtime.InteropServices.WindowsRuntime.IActivationFactory interface.
/// </summary>
public unsafe int GetCCWActivationFactory(HSTRING activatableClassId, RuntimeTypeHandle itfType, IntPtr *factoryOut)
{
try
{
string classId = McgMarshal.HStringToString(activatableClassId);
if (classId == null)
{
return(Interop.COM.E_INVALIDARG);
}
RuntimeTypeHandle factoryTypeHandle = default(RuntimeTypeHandle);
if (m_ccwFactoriesNameMap != null)
{
int slot = m_ccwFactoriesNameMap.FindString(classId);
if (slot >= 0)
{
factoryTypeHandle = m_ccwFactories[slot].FactoryType;
}
}
if (factoryTypeHandle.IsNull())
{
return(Interop.COM.E_NOINTERFACE);
}
object factory = InteropExtensions.RuntimeNewObject(factoryTypeHandle);
*factoryOut = McgMarshal.ObjectToComInterface(
factory,
itfType);
}
catch (Exception ex)
{
*factoryOut = default(IntPtr);
return(McgMarshal.GetHRForExceptionWinRT(ex));
}
return(Interop.COM.S_OK);
}