private Delegate CreateConverter(TypeDescBasedTConverterKey key)
{
if (key.IsConvert)
{
return(GetTheStringFromTDelegateInt(key.SourceType, key.TargetType));
}
else
{
return(GetTheTFromStringDelegateInt(key.SourceType, key.TargetType));
}
}
public TFromStringDelegate GetTheTFromStringDelegate(Type sourceType, Type propertyType)
{
TypeDescBasedTConverterKey key = new TypeDescBasedTConverterKey(sourceType, propertyType, isConvert: false);
#if DEBUG
//bool inCache = _converters.ContainsKey(key);
Delegate result = _converters.GetOrAdd(key);
//System.Diagnostics.Debug.WriteLine(
// string.Format("A TFromString delegate is being requested for type: {0} and was {1}",
// sourceType.ToString(), inCache ? "found." : "not found."));
#else
Delegate result = _converters.GetOrAdd(key);
#endif
if (result == null)
{
return(null);
}
return((TFromStringDelegate)result);
}
public TypeDescBasedTConverterCache()
{
_converters = new LockingConcurrentDictionary <TypeDescBasedTConverterKey, Delegate>(
CreateConverter, TypeDescBasedTConverterKey.GetEquComparer());
}