student/Main_Form.cs

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using System;
using System.Diagnostics;
using System.Drawing;
using System.Reflection;
using System.Windows.Forms;

namespace student
{
    public partial class Main_Form : DevComponents.DotNetBar.Office2007Form
    {
        public Main_Form()
        {
            EnableGlass = false;
            InitializeComponent();

            #region 控件缓冲

            set_load();

            #endregion 控件缓冲
        }

        /// <summary>
        /// 遍历窗体，给每个控件开启双缓存解决闪屏问题 //遍历所有控件
        /// </summary>
        /// <param name="control"></param>
        private void DoubleBuffer(Control control)
        {
            Control.ControlCollection sonControls = control.Controls;
            foreach (Control con in sonControls)
            {
                Type dgvType = con.GetType();
                if (dgvType.Name.Equals("Button") || dgvType.Name.Equals("TextBox") || dgvType.Name.Equals("Label") || dgvType.Name.Equals("DateTimePicker") || dgvType.Name.Equals("Panel") || dgvType.Name.Equals("DataGridView") || dgvType.Name.Equals("SplitterPanel") || dgvType.Name.Equals("TabControl") || dgvType.Name.Equals("Label") || dgvType.Name.Equals("SplitContainer"))
                {
                    PropertyInfo pi = dgvType.GetProperty("DoubleBuffered", BindingFlags.Instance | BindingFlags.NonPublic);
                    pi.SetValue(con, true, null);
                    if (dgvType.Name.Equals("Panel") || dgvType.Name.Equals("SplitterPanel") || dgvType.Name.Equals("TabControl") || dgvType.Name.Equals("SplitContainer"))
                    {
                        DoubleBuffer(con);
                    }
                }
                else if (dgvType.Name.Equals("TabPage"))
                {
                    DoubleBuffer(con);
                }
            }
        }

        /// <summary>
        /// 小票列表显示样式
        /// </summary>
        /// <summary>
        /// datagridview 样式
        /// </summary>
        private void dataGridView1style()
        {
            dataGridView1.RowHeadersVisible = false;
            dataGridView1.EnableHeadersVisualStyles = false;
            dataGridView1.ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.EnableResizing;