用代码实现对ARCGIS的图层重命名（只是layer变换名字，文件名不变）、设置比例尺、打开关闭图层。

注意：需要引用命名空间为ESRI.ArcGIS.Carto,全部代码如下：

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using ESRI.ArcGIS.Carto;

namespace gistest1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void axToolbarControl1_OnMouseDown(object sender, ESRI.ArcGIS.Controls.IToolbarControlEvents_OnMouseDownEvent e)
        {

        }

        private void button1_Click(object sender, EventArgs e)
        {
            IFeatureLayer mylayer = axMapControl1.get_Layer(0) as IFeatureLayer;
            mylayer.Name = "我的图层";
            axTOCControl1.Update();
        }

        private void axTOCControl1_OnMouseDown(object sender, ESRI.ArcGIS.Controls.ITOCControlEvents_OnMouseDownEvent e)
        {

        }

        private void button2_Click(object sender, EventArgs e)
        {
            IFeatureLayer mylayer = axMapControl1.get_Layer(0) as IFeatureLayer;
            mylayer.MaximumScale = 1000000;
            mylayer.MinimumScale =4000000;
            axMapControl1.Refresh();
        }

        private void button3_Click(object sender, EventArgs e)
        {
            IFeatureLayer mylayer = axMapControl1.get_Layer(0) as IFeatureLayer;
            mylayer.Visible = true;
            axMapControl1.Refresh();

        }

        private void button4_Click(object sender, EventArgs e)
        {
            IFeatureLayer mylayer = axMapControl1.get_Layer(0) as IFeatureLayer;
            mylayer.Visible = false;
            axMapControl1.Refresh();
        }
    }
}