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创建Form，在Form添加Panel，最后在panel上动态添加butto

			int ytmp = 1;   //确定button的Y坐标系
            int xtmp = 0;	//确定button的X坐标系
            int ntmp = 5;	//到第几个button开始换行
            for (int i = 1; i < 20; i++)
            {
                int x = 300, y =200;	//定义button Location的初始位置
                int n = i % ntmp;		//取余 如果为0 则换行

                xtmp++;

                if (n == 0)
                {
                    ytmp++;				//Y坐标系数加1
                    xtmp = 1;			//X坐标系数初始化
                    ntmp += 4;			//重新计算换行
                }

                x = xtmp * x;
                y = ytmp * y;


                ButtonX btx = new ButtonX();
                btx.Size = new Size(200, 150);
                btx.Text = "btx: " + i;
                btx.BackColor = Color.Transparent;
                btx.HotTrackingStyle = eHotTrackingStyle.None;
                //设置button圆角
                btx.Shape = new DevComponents.DotNetBar.RoundRectangleShapeDescriptor(10);
                btx.Location = new Point(x, y);
                btnPan.Controls.Add(btx);
            }