C#

pr1mem0ver wrote:

he is probably saying that his editbox doesn't catch the backspace button

if (e.KeyChar == Convert.ToChar(8))

Bastard Programmer from Hell
If you can't read my code, try converting it here[^]
"If you just follow the bacon Eddy, wherever it leads you, then you won't have to think about politics." -- Some Bell.

Bayram Demirci wrote:

This is best what I can do.

namespace CustomControls
{
    public enum NumModel
    {
        /// <summary>
        /// 
        /// </summary>
        PositiveInteger,
        /// <summary>
        /// 
        /// </summary>
        PositiveFloat
    }
    public class NumberTextBox : TextBox
    {
        private NumModel numModel = NumModel.PositiveInteger;
        /// <summary>
        /// 
        /// </summary>
        public NumModel NumModel
        {
            get
            {
                return numModel;
            }
            set
            {
                numModel = value;
            }
        }

        protected override void OnKeyPress(KeyPressEventArgs e)
        {
            if ((e.KeyChar >= '0' && e.KeyChar <= '9') || (e.KeyChar == 8) || (e.KeyChar == 46))
            {
                if (numModel == NumModel.PositiveInteger)
                {
                    if ((e.KeyChar == 46))
                    {
                        e.Handled = true;
                    }
                    else
                    {
                        e.Handled = false;
                        //base.OnKeyPress(e);
                    }
                }
                else
                {
                    if ((this.Text.Contains(".") && (e.KeyChar == 46)))
                    {
                        e.Handled = true;
                    }
                    else
                    {
                        e.Handled = false;
                        // base.OnKeyPress(e);
                    }
                }
            }
            else
            {

                e.Handled = true;
            }
        }
        protected override void OnKeyUp(KeyEventArgs e)
        {
            double num;
            if (this.Text != null && this.Text != "" && !double.TryParse(this.Text, out num))
            {
                //SendKeys.Send("{Backspace}");
                this.Text = this.Text.Substring(0, this.Text.Length - 1);
                this.Select(this.Text.Length, 0);
            }
            base.OnKeyUp(e);
        }
    }
}

class MyClass
   {
   public int Value {get; set;}
   public MyClass(int x) { Value = x;}
   }
MyClass[] data = new MyClass[2];
MyClass x = new MyClass(333);
MyClass y = new MyClass(666);
myClass z = new MyClass(999);
myClass[0] = x;
myClass[1] = y;
myClass[0] = z;
myClass[1].Value = 111;

this.CurrentUser.Companies[idx] = comp;

this.CurrentUser.Companies[idx].BusinessName = comp.BusinessName;