public void SetValue(UIElement propertyHolder, object value)
{
if (properties.ContainsKey(propertyHolder)) {
properties[propertyHolder] = value;
return;
}
properties.Add(propertyHolder, value);
propertyHolder.AddDependencyProperty(this);
}
public object GetValue(UIElement propertyHolder)
{
if (!properties.ContainsKey(propertyHolder))
{
properties.Add(propertyHolder, DefaultValue);
propertyHolder.AddDependencyProperty(this);
}
return properties[propertyHolder];
}
