Set DialogResult.OK/DialogResult.Cancel to OK/Cancel button : 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  DialogValid  :  System.Windows.Forms.Form
{
        private  Button  okButton;
        private  Button  cancelButton;
        private  NumericUpDown  num;

        public  decimal  Num  {
                get  {  return  num.Value;  }
                set  {  num.Value  =  value;        }
        }

        void  OnValidating(Object  sender,  CancelEventArgs  e)
        {
                MessageBox.Show("NumericUpDown  is  validating");
        }  

        void  OnValid(Object  sender,EventArgs  e)
        {
                MessageBox.Show("NumericUpDown  is  valid");
        }  

        public  DialogValid()
        {
                Size  =  new  Size(400,100);
                FormBorderStyle  =  FormBorderStyle.FixedDialog;
                Text  =  "Dialog  test";

                okButton  =  new  Button();                
                okButton.DialogResult  =  DialogResult.OK;
                okButton.Location  =  new  Point(20,28);
                okButton.Size  =  new  Size(80,25);
                okButton.Text  =  "OK";
                Controls.Add(okButton);

                cancelButton  =  new  Button();
                cancelButton.Location  =  new  Point(300,28);
                cancelButton.Size  =  new  Size(80,25);
                cancelButton.Text  =  "Cancel";
                cancelButton.DialogResult  =  DialogResult.Cancel;
                Controls.Add(cancelButton);

                Label  l  =  new  Label();
                l.Text  =  "NumericUpDown";
                l.Location  =  new  Point(20,5);
                l.Size  =  new  Size(120,25);
                Controls.Add(l);

                num  =  new  NumericUpDown();
                num.Location  =  new  Point(140,5);
                num.Size  =  new  Size(80,25);
                num.Minimum  =  (decimal)10.0;
                num.Maximum  =  (decimal)100.0;
                num.Value  =  (decimal)10.0;
                
                num.Validating+=new  CancelEventHandler(OnValidating);
                num.Validated+=new  EventHandler(OnValid);

                Controls.Add(num);

        }

}

public  class  NumericUpDownValidationEvent{

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

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