Put RadioButton to panel group : RadioButton : GUI Windows Forms C# Examples

    
using  System;
using  System.ComponentModel;
using  System.Drawing;
using  System.Windows.Forms;
using  System.IO;
using  System.Text;

class  MyDialog  :  System.Windows.Forms.Form
{
    private  Button  okButton;
    private  Button  cancelButton;
    private  CheckBox  checkbox;
    private  GroupBox  radiogroup;
    private  RadioButton  radio1,radio2,radio3;

    public  int  Radio;

    public  bool  Check  {
        get  {  return  checkbox.Checked;  }
        set  {  checkbox.Checked  =  value;}
        }

    void  OnRadio(Object  sender,EventArgs  e)
    {
        int  n=0;
        foreach(Object  o  in  radiogroup.Controls)
        {
            if(o  is  RadioButton)
            {
                RadioButton  r=(RadioButton)o;
                if(r.Checked)
                    Radio=n;
                n++;
            }
        }
    }

    public  MyDialog()
    {
        Size  =  new  Size(400,300);
        FormBorderStyle  =  FormBorderStyle.FixedDialog;
        Text  =  "Dialog  test";

        okButton  =  new  Button();        
        okButton.DialogResult  =  DialogResult.OK;
        okButton.Location  =  new  Point(20,230);
        okButton.Size  =  new  Size(80,25);
        okButton.Text  =  "OK";
        Controls.Add(okButton);

        cancelButton  =  new  Button();
        cancelButton.Location  =  new  Point(300,230);
        cancelButton.Size  =  new  Size(80,25);
        cancelButton.Text  =  "Cancel";
        cancelButton.DialogResult  =  DialogResult.Cancel;
        Controls.Add(cancelButton);

        checkbox  =  new  CheckBox();
        checkbox.Location  =  new  Point(20,30);
        checkbox.Size  =  new  Size(300,25);
        checkbox.Text  =  "CheckBox";
        Controls.Add(checkbox);

        radiogroup  =  new  GroupBox();
        radiogroup.Text  =  "Radio  Buttons";
        radiogroup.Location  =  new  Point(10,60);
        radiogroup.Size  =  new  Size(380,110);
        Controls.Add(radiogroup);

        radio1  =  new  RadioButton();
        radio1.Location  =  new  Point(10,15);  

        radio1.Size  =  new  Size(360,25);
        radio1.Click  +=  new  EventHandler(OnRadio);
        radio1.Text  =  "Radio  Button  #1";
        radiogroup.Controls.Add(radio1);


        radio2  =  new  RadioButton();
        radio2.Location  =  new  Point(10,40);  
        radio2.Size  =  new  Size(360,25);
        radio2.Click  +=  new  EventHandler(OnRadio);
        radio2.Text  =  "Radio  Button  #2";
        radiogroup.Controls.Add(radio2);


        radio3  =  new  RadioButton();
        radio3.Location  =  new  Point(10,70);  
        radio3.Size  =  new  Size(360,25);
        radio3.Click  +=  new  EventHandler(OnRadio);
        radio3.Text  =  "Radio  Button  #3";
        radiogroup.Controls.Add(radio3);

    }

}

public  class  CustomDialogTest{

    public  static  void  Main()
    {
        MyDialog  dlg  =  new  MyDialog();

        DialogResult  r=dlg.ShowDialog();
        
            Console.WriteLine(dlg.Radio);
            Console.WriteLine(dlg.Check);
        
    }
}