Multiline TextBox : TextBox « GUI Windows Forms « C# / CSharp Tutorial






Multiline TextBox
using System;
using System.ComponentModel;
using System.Windows.Forms;

public class TextBoxMultiline : System.Windows.Forms.Form
{
    private System.ComponentModel.Container components = null;
  private System.Windows.Forms.Button btnPasswordDecoderRing;
  private System.Windows.Forms.Label label3;
  private System.Windows.Forms.TextBox passwordBox;
  private System.Windows.Forms.Label label2;
  private System.Windows.Forms.TextBox capsOnlyBox;
  private System.Windows.Forms.Button btnGetMultiLineText;
  private System.Windows.Forms.Label label1;
  private System.Windows.Forms.TextBox multiLineBox;

    public TextBoxMultiline()
    {
        InitializeComponent();
    CenterToScreen();
    }

  protected override void Dispose( bool disposing )
  {
    if( disposing )
    {
      if (components != null) 
      {
        components.Dispose();
      }
    }
    base.Dispose( disposing );
  }

  private void InitializeComponent()
  {
    this.capsOnlyBox = new System.Windows.Forms.TextBox();
    this.multiLineBox = new System.Windows.Forms.TextBox();
    this.label1 = new System.Windows.Forms.Label();
    this.label2 = new System.Windows.Forms.Label();
    this.passwordBox = new System.Windows.Forms.TextBox();
    this.btnGetMultiLineText = new System.Windows.Forms.Button();
    this.btnPasswordDecoderRing = new System.Windows.Forms.Button();
    this.label3 = new System.Windows.Forms.Label();
    this.SuspendLayout();
    // 
    // capsOnlyBox
    // 
    this.capsOnlyBox.CharacterCasing = System.Windows.Forms.CharacterCasing.Upper;
    this.capsOnlyBox.Location = new System.Drawing.Point(14, 176);
    this.capsOnlyBox.Name = "capsOnlyBox";
    this.capsOnlyBox.Size = new System.Drawing.Size(120, 20);
    this.capsOnlyBox.TabIndex = 3;
    this.capsOnlyBox.Text = "";
    // 
    // multiLineBox
    // 
    this.multiLineBox.AcceptsReturn = true;
    this.multiLineBox.AcceptsTab = true;
    this.multiLineBox.Location = new System.Drawing.Point(152, 8);
    this.multiLineBox.Multiline = true;
    this.multiLineBox.Name = "multiLineBox";
    this.multiLineBox.ScrollBars = System.Windows.Forms.ScrollBars.Vertical;
    this.multiLineBox.Size = new System.Drawing.Size(240, 104);
    this.multiLineBox.TabIndex = 0;
    this.multiLineBox.Text = "Type some stuff here (and hit the return and tab keys...)";
    // 
    // label1
    // 
    this.label1.Font = new System.Drawing.Font("Microsoft Sans Serif", 10F);
    this.label1.Location = new System.Drawing.Point(8, 8);
    this.label1.Name = "label1";
    this.label1.Size = new System.Drawing.Size(136, 56);
    this.label1.TabIndex = 1;
    this.label1.Text = "A multiline textbox that accepts tabs and return keystrokes.";
    // 
    // label2
    // 
    this.label2.Font = new System.Drawing.Font("Comic Sans MS", 12F);
    this.label2.Location = new System.Drawing.Point(14, 144);
    this.label2.Name = "label2";
    this.label2.Size = new System.Drawing.Size(106, 24);
    this.label2.TabIndex = 4;
    this.label2.Text = "Caps only!!";
    // 
    // passwordBox
    // 
    this.passwordBox.Location = new System.Drawing.Point(160, 176);
    this.passwordBox.Name = "passwordBox";
    this.passwordBox.PasswordChar = '$';
    this.passwordBox.Size = new System.Drawing.Size(232, 20);
    this.passwordBox.TabIndex = 5;
    this.passwordBox.Text = "COM seems so old fashion";
    // 
    // btnGetMultiLineText
    // 
    this.btnGetMultiLineText.Location = new System.Drawing.Point(13, 72);
    this.btnGetMultiLineText.Name = "btnGetMultiLineText";
    this.btnGetMultiLineText.Size = new System.Drawing.Size(120, 32);
    this.btnGetMultiLineText.TabIndex = 2;
    this.btnGetMultiLineText.Text = "Get Text";
    this.btnGetMultiLineText.Click += new System.EventHandler(this.btnGetMultiLineText_Click);
    // 
    // btnPasswordDecoderRing
    // 
    this.btnPasswordDecoderRing.Location = new System.Drawing.Point(280, 144);
    this.btnPasswordDecoderRing.Name = "btnPasswordDecoderRing";
    this.btnPasswordDecoderRing.Size = new System.Drawing.Size(112, 24);
    this.btnPasswordDecoderRing.TabIndex = 7;
    this.btnPasswordDecoderRing.Text = "Decode Password";
    this.btnPasswordDecoderRing.Click += new System.EventHandler(this.btnPasswordDecoderRing_Click);
    // 
    // label3
    // 
    this.label3.Font = new System.Drawing.Font("Comic Sans MS", 12F);
    this.label3.Location = new System.Drawing.Point(152, 144);
    this.label3.Name = "label3";
    this.label3.Size = new System.Drawing.Size(120, 24);
    this.label3.TabIndex = 6;
    this.label3.Text = "Password Box";
    // 
    // TextBoxMultiline
    // 
    this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
    this.ClientSize = new System.Drawing.Size(408, 221);
    this.Controls.Add(this.btnPasswordDecoderRing);
    this.Controls.Add(this.label3);
    this.Controls.Add(this.passwordBox);
    this.Controls.Add(this.label2);
    this.Controls.Add(this.capsOnlyBox);
    this.Controls.Add(this.btnGetMultiLineText);
    this.Controls.Add(this.label1);
    this.Controls.Add(this.multiLineBox);
    this.Name = "TextBoxMultiline";
    this.Text = "TextBox Types";
    this.ResumeLayout(false);

  }

  protected void btnPasswordDecoderRing_Click (object sender, System.EventArgs e)
  {
    MessageBox.Show(passwordBox.Text, "Your password is:");
  }

  protected void btnGetMultiLineText_Click (object sender, System.EventArgs e)
  {
    MessageBox.Show(multiLineBox.Text, "Here is your text");
  }

    public static void Main(string[] args) 
    {
        Application.Run(new TextBoxMultiline());
    }
}








23.17.TextBox
23.17.1.Get input value from TextBox and display it vis a messagebox
23.17.2.TextBox key pressed event
23.17.3.TextBox Modified and TextChangedTextBox Modified and TextChanged
23.17.4.TextBox: Multiline and BorderStyleTextBox: Multiline and BorderStyle
23.17.5.TextBox Keyevent handerTextBox Keyevent hander
23.17.6.TextBox cancel eventTextBox cancel event
23.17.7.Count lines in the TextBox and read text in TextBox line by lineCount lines in the TextBox and read text in TextBox line by line
23.17.8.TextBox selectionTextBox selection
23.17.9.TextBox validationTextBox validation
23.17.10.Add ContextMenu to TextBoxAdd ContextMenu to TextBox
23.17.11.Use Regular Expression to Check the input for a TextBoxUse Regular Expression to Check the input for a TextBox
23.17.12.Multiline TextBoxMultiline TextBox
23.17.13.Simple Editor