protected virtual void OnVisibleChanged(bool oldValue, bool newValue)
{
if (VisibleChanged != null)
{
VisibleChangedEventArgs e = new VisibleChangedEventArgs(this, oldValue, newValue);
VisibleChanged(e);
}
// create new child Sprites for all Sprite instances on this grid
Sprites.CreateChildSprites(this);
}
private void _MatrixVisibleChanged(VisibleChangedEventArgs e)
{
// redraw entire Backbuffer
refreshNeeded = MatrixesRefreshType.All;
_SetVisibleLayersArray();
}