private void menuSprite_Delete_Click(object sender, EventArgs e) { Spriteset ss = ActiveSpriteset(); Sprite s = ActiveSprite(); if (s == null) { return; } if (!s.IsEmpty()) { // "Are you sure you want to delete the currently selected sprite?" if (!m_doc.AskYesNo(ResourceMgr.GetString("DeleteCurrentSprite"))) { return; } } ss.RemoveSelectedSprite(ActiveUndo()); HandleSpriteDataChanged(ss); }