public Form1 f1 = new Form1(); int p = 150; int q = 100; public void add() { //CheckBox c = new CheckBox(); //c.Location = new Point(p, q);

        //c.Text = f1.sub[0];
        //this.Controls.Add(c);

        CheckBox chkBox = new CheckBox();
        chkBox.Location = new Point(p, q);
        chkBox.Text = "Checked";
        chkBox.Checked = false;
        chkBox.CheckState = CheckState.Checked;
        chkBox.CheckedChanged += new EventHandler(chkBox_CheckedChanged);//
        this.Controls.Add(chkBox);
        chkBox.Text = f1.sub[1];//The problem is here...whatever value I supply to    sub[] it gives the below mentioned error
    }

Index was out of range. Must be non-negative and less than the size of the collection. Parameter name: index

Here sub[] is a list in form1 which has 5 values...