DynamicObject specifies dynamic behavior at run time.
Example:
Create dynamic object in runtime.
Dynamically Add C# Properties at Runtime.
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Dynamic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace WindowsFormsApplication26
{
public class MyDynamicObject : DynamicObject
{
Dictionary<string, object> dictionary = new Dictionary<string, object>();
public object this[string propertyName]
{
get
{
return dictionary[propertyName];
}
set
{
dictionary[propertyName] = value;
}
}
public override bool TryGetMember(
GetMemberBinder binder, out object result)
{
return dictionary.TryGetValue(binder.Name, out result);
}
public override bool TrySetMember(
SetMemberBinder binder, object value)
{
dictionary[binder.Name] = value;
return true;
}
public override bool TrySetIndex(
SetIndexBinder binder, object[] indexes, object value)
{
int index = (int)indexes[0];
if (dictionary.ContainsKey("Property" + index))
dictionary["Property" + index] = value;
else
dictionary.Add("Property" + index, value);
return true;
}
}
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
dynamic obj = new MyDynamicObject();
obj["column1"] = 1;
obj.column2 = 2;
var v1 = obj["column1"];
var v2 = obj.column2;
}
}
}
