/// <summary>
/// Called before a property is changed on an object. Derived classes can control how the change is handled.
/// Throw ArgumentException within this method, to display an error message in the UI.
/// </summary>
/// <param name="propertyName">Name of the changed property.</param>
/// <param name="newValue">New value assigned to the property.</param>
/// <param name="undoable">Return false if automatic undo of the property change is not needed.</param>
/// <param name="cancel">Return true if the property change should not apply.</param>
protected virtual void OnPropertyChanging(string propertyName, object newValue, ref bool undoable, ref bool cancel)
{
if (!Editable(propertyName))
{
cancel = true;
return;
}
PropertyChanging?.Invoke(this, new PropertyChangingEventArgs(propertyName));
if (cancel)
{
return;
}
Handler.DoObjectChanging(this, propertyName, newValue, ref cancel);
}
/// <summary>
/// Called before a property is changed on an object. Derived classes can control how the change is handled.
/// Throw ArgumentException within this method, to display an error message in the UI.
/// </summary>
/// <param name="propertyName">Name of the changed property.</param>
/// <param name="newValue">New value assigned to the property.</param>
/// <param name="undoable">Return false if automatic undo of the property change is not needed.</param>
/// <param name="cancel">Return true if the property change should not apply.</param>
void OnPropertyChanging(string propertyName, object newValue, ref bool undoable, ref bool cancel)
{
if (!Handler.PowerBIGovernance.AllowEditProperty(ObjectType, propertyName))
{
cancel = true;
return;
}
PropertyChanging?.Invoke(this, new PropertyChangingEventArgs(propertyName));
if (cancel)
{
return;
}
Handler.DoObjectChanging(this, propertyName, newValue, ref cancel);
}
