void SplitMenuStrip_Closing(object sender, ToolStripDropDownClosingEventArgs e) { isSplitMenuVisible = false; SetButtonDrawState(); if (e.CloseReason == ToolStripDropDownCloseReason.AppClicked) { skipNextOpen = (dropDownRectangle.Contains(PointToClient(Cursor.Position))) && MouseButtons == MouseButtons.Left; } }