i have error in radiobutton

Question

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

using System.Windows.Forms;

namespace Checkers_Game_Play

{

public partial class CheckersBoard : Form

{

//your color

// 0 is red

int yourcolor = 0;

//draw your buttons

int drawmy1 = 49;

int drawmy2 = 58;

int drawmy3 = 42;

//draw enemy buttons

int drawenemy1 = 1;

int drawenemy2 = 10;

int drawenemy3 = 17;

//music and sound

int playmusic = 1;

//Dim playsound As Integer = 1

//current hightlight

int currenthightlight;

//current selected button

int currentselectedbutton;

bool selectedbutton = false;

//count clicks

int countclicks = 0;

//get empty places up the selected button

int getemptyplaces1;

int getemptyplaces2;

//get 2 first selecte - get pair to compare

int getpair;

int fn;

int sn;

//test

bool fromleft;

bool fromright;

//time

int counttime;

int min;

bool showmin;

//test

int getenemy;

// Dim enemyloc As Integer = 100

int enemytomove;

bool callcommove;

int morebuttons = 0;

//drag

bool drag;

int mousex;

int mousey;

//KING TEST

int firstselectedking;

int enemykinglocation;

//end game timer

int endgamecomputer;

int endgamehuman;

public CheckersBoard()

{

InitializeComponent();

}

private void buttonExit_Click(object sender, EventArgs e)

{

this.Close();

}

private void CheckersBoard_KeyDown(object sender, KeyEventArgs e)

{

//exit

if (e.KeyCode == Keys.Escape)

{

this.Close();

}

}

private void CheckersBoard_Load(object sender, EventArgs e)

{

//get selected buttons

if (ControlForm.RadioButton2.Checked == true)

{

yourcolor = 1;

}

else

{

yourcolor = 0;

}

//get the selected board

//load red buttons on bottom

if (yourcolor == 0)

{

foreach (object p in Panel1.Controls)

{

if (p is PictureBox)

{

}

}

}

}

}

}

i want to know whats wrong with my codes