private void menuSprite_Flip_Both_Click(object sender, EventArgs e)
{
Spriteset ss = ActiveSpriteset();
Sprite s = ActiveSprite();
if (s == null)
{
return;
}
if (!s.IsEmpty())
{
s.Flip(true, true);
s.RecordUndoAction("flipboth", ActiveUndo());
HandleSpriteDataChanged(ss);
}
}