code/Controls/IpPort.cs

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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Text;
using System.Windows.Forms;

namespace Sylloge.Controls
{
    public partial class IpPort : System.Windows.Forms.UserControl
    {
        public delegate void DelegatePortChanged(int port);
        public event DelegatePortChanged PortChanged;

        private void OnPortChanged()
        {
            if (this.PortChanged != null) { this.PortChanged(this.Port); }
        }

        public IpPort()
        {
            this.InitializeComponent();
        }

        ~IpPort()
        {
        }

        public int Port
        {
            get
            {
                return Convert.ToInt32(this.c_TextBoxPort.Text);
            }
            set
            {
                this.c_TextBoxPort.Text = value.ToString();
            }
        }

        public bool HasError
        {
            get
            {
                return !(this.c_Error.GetError(this.c_TextBoxPort) == null);
            }
        }

        public override string ToString()
        {
            return this.Port.ToString();
        }

        private void c_TextBoxPort_KeyPress(object sender, System.Windows.Forms.KeyPressEventArgs e)
        {
            e.Handled = !Char.IsDigit(e.KeyChar) && !char.IsControl(e.KeyChar);
        }

        private void c_TextBoxPort_TextChanged(object sender, System.EventArgs e)
        {
            if (this.c_TextBoxPort.Text == string.Empty || this.c_TextBoxPort.Text == null) { this.c_TextBoxPort.Text = "0"; }
            if (Convert.ToInt32(this.c_TextBoxPort.Text) < 0) { this.c_TextBoxPort.Text = "0"; }
            if (Convert.ToInt32(this.c_TextBoxPort.Text) > 65535) { this.c_TextBoxPort.Text = "65535"; }
            this.OnPortChanged();
        }
    }
}