public extern IEnumUnknown CreateComponentEnumerator([In] WICComponentType componentTypes, [In] WICComponentEnumerateOptions options);
public static IComObject <IEnumUnknown> CreateComponentEnumerator(this IWICImagingFactory factory, WICComponentType type = WICComponentType.WICAllComponents, WICComponentEnumerateOptions options = WICComponentEnumerateOptions.WICComponentEnumerateDefault)
{
if (factory == null)
{
throw new ArgumentNullException(nameof(factory));
}
factory.CreateComponentEnumerator(type, options, out var value).ThrowOnError();
return(new ComObject <IEnumUnknown>(value));
}
public static IEnumerable <IComObject <IWICComponentInfo> > EnumerateComponents(this IWICImagingFactory factory, WICComponentType type, WICComponentEnumerateOptions options)
{
using (var enumerator = factory.CreateComponentEnumerator(type, options))
{
do
{
var o = new object[1];
var fetched = 0;
enumerator.Object.Next(1, o, ref fetched);
if (fetched != 1)
{
break;
}
if (o[0] is IWICComponentInfo info)
{
yield return(new ComObject <IWICComponentInfo>(info));
}
}while (true);
}
}
public static IComObject <IEnumUnknown> CreateComponentEnumerator(this IComObject <IWICImagingFactory> factory, WICComponentType type = WICComponentType.WICAllComponents, WICComponentEnumerateOptions options = WICComponentEnumerateOptions.WICComponentEnumerateDefault) => CreateComponentEnumerator(factory?.Object, type, options);
