private void PropagateUpInvalidationRequest(InvalidationRequestFlag flag)
{
if (this.visualParent != null)
{
this.visualParent.InvalidationRequestFromChild(flag, this);
}
else
{
IAbcVisual abcVisual = this;
AbcContextualPropertyValue controlPropertyValue = abcVisual.GetContextualPropertyValue(AbcControlContextualProperties.ControlPropertyKey);
IAbcControl control = (IAbcControl)(controlPropertyValue != null ? ((AbcContextualPropertyValue.AbcObject)controlPropertyValue).value : null);
control?.RaiseInvalidationRequest(flag);
}
}
void IAbcVisual.InvalidationRequestFromChild(InvalidationRequestFlag flag, IAbcVisual child)
{
switch (flag)
{
case InvalidationRequestFlag.None:
break;
case InvalidationRequestFlag.Measure:
this.InvalidateMeasure();
break;
case InvalidationRequestFlag.Arrange:
this.InvalidateArrange();
break;
case InvalidationRequestFlag.Paint:
this.InvalidatePaint();
break;
default:
break;
}
}
void IAbcControl.RaiseInvalidationRequest(InvalidationRequestFlag flag)
{
switch (flag)
{
case InvalidationRequestFlag.None:
break;
case InvalidationRequestFlag.Measure:
this.InvalidateMeasure();
break;
case InvalidationRequestFlag.Arrange:
this.InvalidateArrange();
break;
case InvalidationRequestFlag.Paint:
this.InvalidatePaint();
break;
default:
break;
}
}
internal InvalidationRequestEventArgs(InvalidationRequestFlag flag)
{
this.flag = flag;
}
private void InvalidationRequest(InvalidationRequestFlag flag)
{
this.invalidationRequest?.Invoke(this, new InvalidationRequestEventArgs(flag));
}
