LayoutControl 布局控件

          <strong> //LayoutControlItem</strong> 
            //显示或隐藏
            this.layoutControlItem1.ContentVisible = true;
            //显示模式 一般、自定义
            this.layoutControlItem1.TextAlignMode = TextAlignModeItem.CustomSize;
            //文本显示位置  居左
            this.layoutControlItem1.TextLocation = DevExpress.Utils.Locations.Left;
            //文本 间距
            this.layoutControlItem1.TextToControlDistance = 0;
            //文本 宽和高 (可以在属性中修改)
            //this.layoutControlItem1.TextSize.Width = 45;


          <strong>  //LayoutControlGroup</strong> 
            //是否显示组标题
            this.layoutControlGroup2.TextVisible = false;
            //是否显示 展开按钮
            this.layoutControlGroup3.ExpandButtonVisible = true;
            //展开按钮的模式  
            this.layoutControlGroup3.ExpandButtonMode = DevExpress.Utils.Controls.ExpandButtonMode.Inverted;
            //展开按钮显示在 标题行 尾
            this.layoutControlGroup3.ExpandButtonLocation = DevExpress.Utils.GroupElementLocation.AfterText;
            //是否展开
            this.layoutControlGroup3.Expanded = true;

         /// <summary>
        /// 设置LayoutControl 下的控件不可用（只读）
        /// </summary>
        /// <param name="isRead">是否只读 是=true</param>
        private void SetControlReadOnly(bool isRead) {
            //遍历LayoutControlGroup
            foreach (LayoutControlGroup group in layoutControl1.Items)
            {
                //遍历LayoutControlItem
                foreach (BaseLayoutItem lci in group.Items) {
                    LayoutControlItem ctl = lci as LayoutControlItem;
                    //判断不为空
                    if (!object.Equals(null, ctl))
                    {
                        //控件类型
                        if (ctl.Control is BaseEdit)
                        {
                            BaseEdit be = ctl.Control as BaseEdit;
                            be.Properties.ReadOnly = isRead;
                            be.Enabled = !isRead;
                        }

                        if (ctl.Control is BaseButton) {
                            BaseButton btn = ctl.Control as BaseButton;
                            btn.Enabled = !isRead;
                        }
                    }
                }
            }
        
        }