/// <summary>Get a WinRT activation factory for a given type name.</summary>
/// <param name="componentPath">The path to the WinRT component that the type is expected to be defined in.</param>
/// <param name="typeName">The name of the component type to activate</param>
/// <param name="activationFactory">The activation factory</param>
public unsafe static int GetActivationFactory(
char *componentPath,
[MarshalAs(UnmanagedType.HString)] string typeName,
[MarshalAs(UnmanagedType.Interface)] out IActivationFactory activationFactory)
{
activationFactory = null;
try
{
if (typeName is null)
{
throw new ArgumentNullException(nameof(typeName));
}
AssemblyLoadContext context = GetALC(Marshal.PtrToStringUni((IntPtr)componentPath));
Type winRTType = context.LoadTypeForWinRTTypeNameInContext(typeName);
if (winRTType is null || !winRTType.IsExportedToWindowsRuntime)
{
throw new TypeLoadException(typeName);
}
activationFactory = WindowsRuntimeMarshal.GetManagedActivationFactory(winRTType);
}
catch (Exception ex)
{
return(ex.HResult);
}
return(0);
}
