C# 型情報取得 – テックメモ

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Windows.Forms;
using System.Reflection;

namespace インスタンスとクラスでのメンバ
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();

            this.Width = 800;
            this.Height = 600;

            TextBox tb = new TextBox();
            tb.Location = new Point(2, 57);
            tb.Multiline = true;
            tb.Size = new System.Drawing.Size(700, 445);
            tb.Anchor = AnchorStyles.Top | AnchorStyles.Right | AnchorStyles.Bottom | AnchorStyles.Left;
            tb.ScrollBars = ScrollBars.Both;
            Controls.Add(tb);

            Button btn = new Button();
            btn.Text = "click!";
            btn.Location = new Point(2, 2);
            btn.Size = new System.Drawing.Size(100, 50);
            Controls.Add(btn);
            btn.Click += new EventHandler((object sender, EventArgs e)=> {

                //typeofだと型を直接渡す。静的
                //MemberInfo[] mi = typeof(String).GetMembers(
                //GetTypeだとインスタンスから情報取得可能。動的
                System.String s = "Hello World";
                MemberInfo[] mi = s.GetType().GetMembers(
                    BindingFlags.Public | 
                    BindingFlags.NonPublic | 
                    BindingFlags.Instance | 
                    BindingFlags.Static | 
                    BindingFlags.FlattenHierarchy);

                string buff = "";
                foreach (MemberInfo m in mi)
                {
                    buff = m.Module + ": " + m.ReflectedType + ": " + m.MemberType + ": " + m.Name + "\r\n" + buff;
                }
                tb.Text = buff;
            });
        }
    }
}

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Drawing;

using System.Windows.Forms;

using System.Reflection;

namespace インスタンスとクラスでのメンバ

{

public partial class Form1 : Form

{

public Form1()

{

InitializeComponent();

this.Width = 800;

this.Height = 600;

TextBox tb = new TextBox();

tb.Location = new Point(2, 57);

tb.Multiline = true;

tb.Size = new System.Drawing.Size(700, 445);

tb.Anchor = AnchorStyles.Top | AnchorStyles.Right | AnchorStyles.Bottom | AnchorStyles.Left;

tb.ScrollBars = ScrollBars.Both;

Controls.Add(tb);

Button btn = new Button();

btn.Text = "click!";

btn.Location = new Point(2, 2);

btn.Size = new System.Drawing.Size(100, 50);

Controls.Add(btn);

btn.Click += new EventHandler((object sender, EventArgs e)=> {

//typeofだと型を直接渡す。静的

//MemberInfo[] mi = typeof(String).GetMembers(

//GetTypeだとインスタンスから情報取得可能。動的

System.String s = "Hello World";

MemberInfo[] mi = s.GetType().GetMembers(

BindingFlags.Public |

BindingFlags.NonPublic |

BindingFlags.Instance |

BindingFlags.Static |

BindingFlags.FlattenHierarchy);

string buff = "";

foreach (MemberInfo m in mi)

{

buff = m.Module + ": " + m.ReflectedType + ": " + m.MemberType + ": " + m.Name + "\r\n" + buff;

}

tb.Text = buff;

});

}