using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
class MainClass {
public static void Main() {
Phone frm = new Phone();
while (true) {
frm.ShowDialog();
if (frm.DialogResult == DialogResult.OK) {
Console.WriteLine(frm.PhoneNumber);
if (frm.PhoneNumber.Length == 8 | frm.PhoneNumber.Length == 12) {
break;
} else {
MessageBox.Show("Phone number was not formatted correctly. Please correct entry.");
}
} else if (frm.DialogResult == DialogResult.Cancel) {
Console.WriteLine("Form was canceled.");
break;
}
}
frm.Close();
}
}
class Phone : Form {
private System.Windows.Forms.TextBox textBox1 = new System.Windows.Forms.TextBox();
private System.Windows.Forms.Label label1 = new System.Windows.Forms.Label() ;
private System.Windows.Forms.Button btnOK = new System.Windows.Forms.Button();
private System.Windows.Forms.Button btnCancel = new System.Windows.Forms.Button();
public Phone() {
this.SuspendLayout();
this.textBox1.Location = new System.Drawing.Point(122, 21);
this.textBox1.Margin = new System.Windows.Forms.Padding(1, 3, 3, 3);
this.textBox1.Size = new System.Drawing.Size(115, 20);
this.label1.AutoSize = true;
this.label1.Location = new System.Drawing.Point(10, 26);
this.label1.Margin = new System.Windows.Forms.Padding(3, 3, 1, 3);
this.label1.Size = new System.Drawing.Size(110, 14);
this.label1.Text = "Enter phone number:";
this.label1.TextAlign = System.Drawing.ContentAlignment.MiddleRight;
this.btnOK.DialogResult = System.Windows.Forms.DialogResult.OK;
this.btnOK.Location = new System.Drawing.Point(36, 65);
this.btnOK.Text = "OK";
this.btnCancel.DialogResult = System.Windows.Forms.DialogResult.Cancel;
this.btnCancel.Location = new System.Drawing.Point(132, 65);
this.btnCancel.Text = "Cancel";
this.ClientSize = new System.Drawing.Size(270, 107);
this.Controls.Add(this.btnCancel);
this.Controls.Add(this.btnOK);
this.Controls.Add(this.label1);
this.Controls.Add(this.textBox1);
this.ResumeLayout(false);
this.PerformLayout();
btnOK.DialogResult = DialogResult.OK;
btnCancel.DialogResult = DialogResult.Cancel;
}
public string PhoneNumber {
get { return textBox1.Text; }
set { textBox1.Text = value; }
}
}
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