public static IEnumerable <TEnum> ToEnum <TEnum>(this IPortableDeviceKeyCollection col) where TEnum : struct // enum
{
uint count = 0;
col.GetCount(ref count);
for (uint i = 0; i < count; i++)
{
PropertyKey key = new PropertyKey();
col.GetAt(i, ref key);
yield return(GetEnumFromAttrKey <TEnum>(key));
}
}
public static IEnumerable <PropertyKey> ToEnum(this IPortableDeviceKeyCollection col)
{
uint count = 0;
col.GetCount(ref count);
for (uint i = 0; i < count; i++)
{
PropertyKey key = new PropertyKey();
col.GetAt(i, ref key);
yield return(key);
}
}
public static void WriteObject(IPortableDeviceKeyCollection collection)
{
Trace.WriteLine("###############################");
uint num = 0;
collection.GetCount(ref num);
for (uint index = 0; index < num; index++)
{
PropertyKey key = new PropertyKey();
collection.GetAt(index, ref key);
PropertyKeys propertyKey = key.GetEnumFromAttrKey <PropertyKeys>();
Trace.WriteLine($"##### {propertyKey}");
}
}
public static TEnum[] ToArray <TEnum>(this IPortableDeviceKeyCollection col) where TEnum : struct // enum
{
uint count = 0;
col.GetCount(ref count);
var result = new TEnum[count];
for (uint i = 0; i < count; i++)
{
PropertyKey key = new PropertyKey();
col.GetAt(i, ref key);
result[i] = GetEnumFromAttrKey <TEnum>(key);
}
return(result);
}
