protected override void DisposeManaged()
{
if (_data != null) {
_data.FillInvalidated -= HandleFillInvalidated;
_data.FillGlowInvalidated -= HandleFillGlowInvalidated;
_data.OutlineInvalidated -= HandleOutlineInvalidated;
_data.OutlineGlowInvalidated -= HandleOutlineGlowInvalidated;
_data = null;
}
if (_fillBrush != null) {
_fillBrush.Dispose();
_fillBrush = null;
}
if (_fillGlowBrush != null) {
_fillGlowBrush.Dispose();
_fillGlowBrush = null;
}
if (_outlinePen != null) {
_outlinePen.Dispose();
_outlinePen = null;
}
if (_outlineGlowPen != null) {
_outlineGlowPen.Dispose();
_outlineGlowPen = null;
}
base.DisposeManaged();
}
protected DrawAnnotationRenderer(DrawAnnotation data)
{
_data = data;
_data.FillInvalidated += HandleFillInvalidated;
_data.FillGlowInvalidated += HandleFillGlowInvalidated;
_data.OutlineInvalidated += HandleOutlineInvalidated;
_data.OutlineGlowInvalidated += HandleOutlineGlowInvalidated;
}