forminputid.cs

c＃标准教程适合与处于不同学习阶段的人

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;

namespace BankCustomerApp
{
	/// <summary>
	/// Summary description for FormInputID.
	/// </summary>
	public class FormInputID : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.TextBox txtCustomerID;
		private System.Windows.Forms.Button cmdOK;
		private System.Windows.Forms.Button cmdCancel;
		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.Container components = null;

		public FormInputID()
		{
			//
			// Required for Windows Form Designer support
			//
			InitializeComponent();

			//
			// TODO: Add any constructor code after InitializeComponent call
			//
		}

		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if(components != null)
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows Form Designer generated code
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
			this.label1 = new System.Windows.Forms.Label();
			this.txtCustomerID = new System.Windows.Forms.TextBox();
			this.cmdOK = new System.Windows.Forms.Button();
			this.cmdCancel = new System.Windows.Forms.Button();
			this.SuspendLayout();
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(24, 32);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(136, 32);
			this.label1.TabIndex = 0;
			this.label1.Text = "Customer ID:";
			// 
			// txtCustomerID
			// 
			this.txtCustomerID.Location = new System.Drawing.Point(160, 32);
			this.txtCustomerID.Name = "txtCustomerID";
			this.txtCustomerID.Size = new System.Drawing.Size(200, 29);
			this.txtCustomerID.TabIndex = 1;
			this.txtCustomerID.Text = "";
			// 
			// cmdOK
			// 
			this.cmdOK.Location = new System.Drawing.Point(48, 96);
			this.cmdOK.Name = "cmdOK";
			this.cmdOK.Size = new System.Drawing.Size(120, 48);
			this.cmdOK.TabIndex = 2;
			this.cmdOK.Text = "OK";
			this.cmdOK.Click += new System.EventHandler(this.cmdOK_Click);
			// 
			// cmdCancel
			// 
			this.cmdCancel.CausesValidation = false;
			this.cmdCancel.Location = new System.Drawing.Point(208, 96);
			this.cmdCancel.Name = "cmdCancel";
			this.cmdCancel.Size = new System.Drawing.Size(120, 48);
			this.cmdCancel.TabIndex = 3;
			this.cmdCancel.Text = "Cancel";
			this.cmdCancel.Click += new System.EventHandler(this.cmdCancel_Click);
			// 
			// FormInputID
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(10, 22);
			this.ClientSize = new System.Drawing.Size(386, 182);
			this.ControlBox = false;
			this.Controls.AddRange(new System.Windows.Forms.Control[] {
																		  this.cmdCancel,
																		  this.cmdOK,
																		  this.txtCustomerID,
																		  this.label1});
			this.Font = new System.Drawing.Font("Microsoft Sans Serif", 14.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
			this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;
			this.MinimizeBox = false;
			this.Name = "FormInputID";
			this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
			this.Text = "Customer ID?";
			this.Load += new System.EventHandler(this.FormInputID_Load);
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// Property for caller to access customer id input by user.
		/// </summary>
		public int CustomerID
		{
			get
			{
				return int.Parse(this.txtCustomerID.Text);
			}
		}

		private void FormInputID_Load(object sender, System.EventArgs e)
		{
			this.txtCustomerID.Validating += new System.ComponentModel.CancelEventHandler(Validation.IsInteger);
			this.cmdCancel.CausesValidation = false;
		}

		private void cmdOK_Click(object sender, System.EventArgs e)
		{
			this.DialogResult = DialogResult.OK;  // close dialog form, return OK
		}

		private void cmdCancel_Click(object sender, System.EventArgs e)
		{
			this.txtCustomerID.Text = "-1";  // reset so caller doesn't see any partial/invalid results

			this.DialogResult = DialogResult.Cancel;  // close dialog form, return Cancel
		}
	}
}