public void InvalidateGeometry(InvalidateGeometryReasons reasons)
{
if (GeometrySource.InvalidateGeometry(reasons))
{
InvalidateArrange();
}
}
public bool InvalidateGeometry(InvalidateGeometryReasons reasons)
{
if (_effectInvalidated)
{
return(false);
}
_effectInvalidated = true;
if (reasons != InvalidateGeometryReasons.ParentInvalidated)
{
InvalidateParent(Parent);
}
return(true);
}
static DrawingPropertyMetadata()
{
DrawingPropertyChanged += delegate(object sender, DrawingPropertyChangedEventArgs args) {
if ((sender is IShape shape) && args.Metadata.AffectsRender)
{
InvalidateGeometryReasons reasons = InvalidateGeometryReasons.PropertyChanged;
if (args.IsAnimated)
{
reasons |= InvalidateGeometryReasons.IsAnimated;
}
shape.InvalidateGeometry(reasons);
}
};
}
public bool InvalidateGeometry(InvalidateGeometryReasons reasons)
{
if ((reasons & InvalidateGeometryReasons.TemplateChanged) != 0)
{
CachedGeometry = null;
}
if (!_geometryInvalidated)
{
_geometryInvalidated = true;
return(true);
}
return(false);
}
