갤러리정

Add new item to ListBox (text from TextBox)

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

public  class  Form1  :  Form
{
            private  System.Windows.Forms.ListBox  displayListBox;
            private  System.Windows.Forms.TextBox  inputTextBox;
            private  System.Windows.Forms.Button  addButton;
            private  System.Windows.Forms.Button  removeButton;
            private  System.Windows.Forms.Button  clearButton;
            
            public  Form1()  {
                InitializeComponent();
        }

            private  void  addButton_Click(  object  sender,  EventArgs  e  )
            {
                displayListBox.Items.Add(  inputTextBox.Text  );
                inputTextBox.Clear();
            }  
            private  void  removeButton_Click(  object  sender,  EventArgs  e  )
            {
                if  (  displayListBox.SelectedIndex  !=  -1  )
                    displayListBox.Items.RemoveAt(  displayListBox.SelectedIndex  );
            }

            private  void  clearButton_Click(  object  sender,  EventArgs  e  )
            {
                  displayListBox.Items.Clear();
            }

            private  void  InitializeComponent()
            {
                  this.displayListBox  =  new  System.Windows.Forms.ListBox();
                  this.inputTextBox  =  new  System.Windows.Forms.TextBox();
                  this.addButton  =  new  System.Windows.Forms.Button();
                  this.removeButton  =  new  System.Windows.Forms.Button();
                  this.clearButton  =  new  System.Windows.Forms.Button();
                  this.SuspendLayout();
                  //  
                  //  displayListBox
                  //  
                  this.displayListBox.FormattingEnabled  =  true;
                  this.displayListBox.Location  =  new  System.Drawing.Point(13,  12);
                  this.displayListBox.Name  =  "displayListBox";
                  this.displayListBox.Size  =  new  System.Drawing.Size(119,  238);
                  this.displayListBox.TabIndex  =  0;
                  //  
                  //  inputTextBox
                  //  
                  this.inputTextBox.Location  =  new  System.Drawing.Point(149,  12);
                  this.inputTextBox.Name  =  "inputTextBox";
                  this.inputTextBox.Size  =  new  System.Drawing.Size(100,  20);
                  this.inputTextBox.TabIndex  =  1;
                  //  
                  //  addButton
                  //  
                  this.addButton.Location  =  new  System.Drawing.Point(149,  56);
                  this.addButton.Name  =  "addButton";
                  this.addButton.Size  =  new  System.Drawing.Size(100,  36);
                  this.addButton.TabIndex  =  2;
                  this.addButton.Text  =  "Add";
                  this.addButton.Click  +=  new  System.EventHandler(this.addButton_Click);
                  //  
                  //  removeButton
                  //  
                  this.removeButton.Location  =  new  System.Drawing.Point(149,  109);
                  this.removeButton.Name  =  "removeButton";
                  this.removeButton.Size  =  new  System.Drawing.Size(100,  36);
                  this.removeButton.TabIndex  =  3;
                  this.removeButton.Text  =  "Remove";
                  this.removeButton.Click  +=  new  System.EventHandler(this.removeButton_Click);
                  //  
                  //  clearButton
                  //  
                  this.clearButton.Location  =  new  System.Drawing.Point(149,  165);
                  this.clearButton.Name  =  "clearButton";
                  this.clearButton.Size  =  new  System.Drawing.Size(100,  36);
                  this.clearButton.TabIndex  =  4;
                  this.clearButton.Text  =  "Clear";
                  this.clearButton.Click  +=  new  System.EventHandler(this.clearButton_Click);
                  //  ListBoxTestForm
                  //  
                  this.AutoScaleDimensions  =  new  System.Drawing.SizeF(6F,  13F);
                  this.AutoScaleMode  =  System.Windows.Forms.AutoScaleMode.Font;
                  this.ClientSize  =  new  System.Drawing.Size(263,  268);
                  this.Controls.Add(this.clearButton);
                  this.Controls.Add(this.removeButton);
                  this.Controls.Add(this.addButton);
                  this.Controls.Add(this.inputTextBox);
                  this.Controls.Add(this.displayListBox);
                  this.Name  =  "ListBoxTestForm";
                  this.Text  =  "ListBoxTest";
                  this.ResumeLayout(false);
                  this.PerformLayout();

            }

            [STAThread]
            static  void  Main()
            {
        Application.EnableVisualStyles();
        Application.Run(new  Form1());
        }

}