winfrom 双缓冲

在窗体load函数中

this.DoubleBuffered = true;
//控件，需要反射的方式设置
Type dgvType = this.dgv.GetType();
PropertyInfo p = dgvType.GetProperty("DoubleBuffered", BindingFlags.Instance | BindingFlags.NonPublic);
p.SetValue(this.dgv, true, null);