private void 保存ToolStripMenuItem_Click_1(object sender, EventArgs e)
 {
     if (focusSettingFileName == null)
     {
         另存为ToolStripMenuItem_Click(sender, e);
         return;
     }
     SettingModel.Save(list.List, focusSettingFileName, focusSettingFileName.Substring(focusSettingFileName.LastIndexOf('.') + 1), canvas);
 }
        private void 另存为ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            var f = new SaveFileDialog()
            {
                Title  = "保存当前布局",
                Filter = "卡片模板|*.cmx"
            };

            if (f.ShowDialog() == DialogResult.OK)
            {
                SettingModel.Save(list.List, f.FileName, f.FileName.Substring(f.FileName.LastIndexOf('.') + 1), canvas);
            }
        }