inputbox.cs

图书馆信息管理系统 Library Information Management System

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

namespace Library.Class
{
	/// <summary>
	/// InputBox 的摘要说明。
	/// </summary>
	public class InputBox : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.TextBox txtData;
		private System.Windows.Forms.Label lblInfo;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public InputBox()
		{
			//
			// Windows 窗体设计器支持所必需的
			//
			InitializeComponent();
		}

		/// <summary>
		/// 清理所有正在使用的资源。
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if(components != null)
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows 窗体设计器生成的代码
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{
			this.button1 = new System.Windows.Forms.Button();
			this.txtData = new System.Windows.Forms.TextBox();
			this.lblInfo = new System.Windows.Forms.Label();
			this.SuspendLayout();
			// 
			// button1
			// 
			this.button1.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.button1.Location = new System.Drawing.Point(265, 77);
			this.button1.Name = "button1";
			this.button1.TabIndex = 5;
			this.button1.Text = "确定";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// txtData
			// 
			this.txtData.Location = new System.Drawing.Point(20, 43);
			this.txtData.Name = "txtData";
			this.txtData.Size = new System.Drawing.Size(320, 21);
			this.txtData.TabIndex = 4;
			this.txtData.Text = "";
			this.txtData.KeyDown += new System.Windows.Forms.KeyEventHandler(this.txtData_KeyDown);
			// 
			// lblInfo
			// 
			this.lblInfo.AutoSize = true;
			this.lblInfo.Location = new System.Drawing.Point(20, 19);
			this.lblInfo.Name = "lblInfo";
			this.lblInfo.Size = new System.Drawing.Size(29, 17);
			this.lblInfo.TabIndex = 3;
			this.lblInfo.Text = "输入";
			// 
			// InputBox
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(360, 118);
			this.ControlBox = false;
			this.Controls.Add(this.button1);
			this.Controls.Add(this.txtData);
			this.Controls.Add(this.lblInfo);
			this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog;
			this.Name = "InputBox";
			this.ShowInTaskbar = false;
			this.SizeGripStyle = System.Windows.Forms.SizeGripStyle.Hide;
			this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
			this.Text = "输入对话框";
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// 显示输入框
		/// </summary>
		/// <param name="keyInfo">显示消息</param>
		/// <param name="Title">标题</param>
		/// <returns></returns>
		public static string ShowInputBox(string keyInfo,string Title)
		{
			InputBox inputbox = new InputBox();
			inputbox.Text=Title;
			if(keyInfo.Trim() != string.Empty)
				inputbox.lblInfo.Text = keyInfo;
			inputbox.ShowDialog();
			return inputbox.txtData.Text;
		}
		/// <summary>
		/// TextBox键盘事件
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void txtData_KeyDown(object sender, System.Windows.Forms.KeyEventArgs e)
		{
			if(e.KeyCode==Keys.Enter)
			{
				this.Close();
			}
			else if(e.KeyCode==Keys.Escape)
			{
				txtData.Text=string.Empty;
				this.Close();
			}
		}

		private void button1_Click(object sender, System.EventArgs e)
		{
			this.Close();
		}
	}
}