public void OnValueChanging(ExtendPropertyValueChangingArgs args)
{
if (ValueChanging != null)
{
ValueChanging(this, args);
}
}
public virtual void SetValue(ExtendProperty property, object value)
{
var changingItemArgs =
new ExtendPropertyValueChangingArgs()
{
Value = value,
Item = GetOwner(),
PropertyType = property.PropertyType,
PropertyName = property.PropertyName,
Cancel = false
};
property.OnValueChanging(changingItemArgs);
if (!changingItemArgs.Cancel)
{
var changedItemArgs = new ExtendPropertyValueChangedArgs();
int propertyHash = property.GetHashCode();
int key = this.GetHashCode() ^ propertyHash;
if (propertyValues.Keys.Any(k => k == key))
{
changedItemArgs.OldValue = propertyValues[key];
propertyValues[key] = value;
}
else
{
changedItemArgs.OldValue = null;
propertyValues.TryAdd(key, value);
}
changedItemArgs.Item = GetOwner();
changedItemArgs.PropertyType = property.PropertyType;
changedItemArgs.PropertyName = property.PropertyName;
changedItemArgs.NewValue = value;
changedItemArgs.PropertyInfo = property;
property.OnValueChanged(changedItemArgs);
OnPropertyChanged(property);
//OnChildrenPropertyChanged(changedItemArgs);
}
}
public void OnValueChanging(ExtendPropertyValueChangingArgs args)
{
if (ValueChanging != null)
ValueChanging(this, args);
}