private void WorkspaceAutoUpdateToolStripMenuItem_Click(object sender, EventArgs e)
        {
            ToolStripMenuItem item = sender as ToolStripMenuItem;

            if (item != null && item.OwnerItem != null)
            {
                item.Checked = !item.Checked;
                WorkspaceToolStripButton.ShowDropDown();
            }
        }
 private void WorkspaceToolStripButton_ButtonClick(object sender, EventArgs e)
 {
     WorkspaceToolStripButton.ShowDropDown();
 }