public PropertyDescriptor GetPropertyDescriptor(object source, string propertyName)
{
TypePropertyPair key = new TypePropertyPair()
{
type = source != null?source.GetType() : null, propertyName = propertyName
};
if (key.type == null || key.propertyName == null)
{
return(null);
}
if (cache.ContainsKey(key))
{
return(cache[key]);
}
else
{
PropertyDescriptorCollection properties = TypeDescriptor.GetProperties(source);
PropertyDescriptor descriptor = properties == null ? null : properties.Find(propertyName, ignoreCase: true);
if (descriptor == null)
{
return(null);
}
lock (cache)
{
if (!cache.ContainsKey(key))
{
cache.Add(key, descriptor);
}
}
return(descriptor);
}
}
public PropertyDescriptor GetPropertyDescriptor(object source, string propertyName)
{
TypePropertyPair key = new TypePropertyPair() { type = source != null ? source.GetType() : null, propertyName = propertyName };
if (key.type == null || key.propertyName == null)
return null;
if (cache.ContainsKey(key))
return cache[key];
else
{
PropertyDescriptorCollection properties = TypeDescriptor.GetProperties(source);
PropertyDescriptor descriptor = properties == null ? null : properties.Find(propertyName, ignoreCase: true);
if (descriptor == null) return null;
lock (cache)
{
if (!cache.ContainsKey(key))
cache.Add(key, descriptor);
}
return descriptor;
}
}