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cscの作法 その478

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概要

cscの作法、調べてみた。
練習問題やってみた。

練習問題

treeviewを、一から組み立てよ。(スクラッチで)

写真

image.png

サンプルコード


using System;
using System.Drawing;
using System.Windows.Forms;

namespace App
{
	public partial class Form1: Form {
		private TreeView treeView1;
		Button button1;
		public Form1() {
			ClientSize = new Size(500, 300);
			Text = "TreeView";
			button1 = new Button();
			button1.Text = "get";
			button1.AutoSize = true;
			button1.Dock = DockStyle.Bottom;
			button1.BackColor = Color.Red;
			button1.Click += new EventHandler(button1_Click);
			this.Controls.Add(button1);
			treeView1 = new TreeView();
			treeView1.Dock = DockStyle.Fill;
			treeView1.HotTracking = true;
			treeView1.Location = new Point(10, 10);
			treeView1.Name = "treeView1";
			treeView1.Size = new Size(480, 280);
			treeView1.TabIndex = 0;
			TreeNode tNode;
			tNode = treeView1.Nodes.Add("Websites");
			treeView1.Nodes[0].Nodes.Add("Net-informations.com");
			treeView1.Nodes[0].Nodes[0].Nodes.Add("CLR");
			treeView1.Nodes[0].Nodes.Add("https://net-informations.com/vb/default.htm");
			treeView1.Nodes[0].Nodes[1].Nodes.Add("String Tutorial");
			treeView1.Nodes[0].Nodes[1].Nodes.Add("Excel Tutorial");
			treeView1.Nodes[0].Nodes.Add("Csharp.net-informations.com");
			treeView1.Nodes[0].Nodes[2].Nodes.Add("ADO.NET");
			treeView1.Nodes[0].Nodes[2].Nodes[0].Nodes.Add("Dataset");
			this.Controls.Add(treeView1);
		}
		private void button1_Click(object sender, EventArgs e) {
			MessageBox.Show(treeView1.SelectedNode.FullPath.ToString());
		}
		[STAThread]
		static void Main() {
			Application.Run(new Form1());
		}
	}
}


以上。

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