SizeMode in PictureBox

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

public class Form1 : System.Windows.Forms.Form {
    private System.Windows.Forms.PictureBox pictureBox1;
    private System.Windows.Forms.Button button1;
    private System.Windows.Forms.PictureBox pictureBox2;
    private System.Windows.Forms.PictureBox pictureBox3;
    private System.Windows.Forms.PictureBox pictureBox4;
    public Form1() {
        this.pictureBox1 = new System.Windows.Forms.PictureBox();
        this.button1 = new System.Windows.Forms.Button();
        this.pictureBox2 = new System.Windows.Forms.PictureBox();
        this.pictureBox3 = new System.Windows.Forms.PictureBox();
        this.pictureBox4 = new System.Windows.Forms.PictureBox();
        this.SuspendLayout();
        // 
        // pictureBox1
        // 
        this.pictureBox1.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
        this.pictureBox1.Location = new System.Drawing.Point(8, 8);
        this.pictureBox1.Name = "pictureBox1";
        this.pictureBox1.Size = new System.Drawing.Size(100, 70);
        this.pictureBox1.TabIndex = 0;
        this.pictureBox1.TabStop = false;
        // 
        // button1
        // 
        this.button1.Location = new System.Drawing.Point(232, 24);
        this.button1.Name = "button1";
        this.button1.Size = new System.Drawing.Size(56, 23);
        this.button1.TabIndex = 1;
        this.button1.Text = "button1";
        this.button1.Click += new System.EventHandler(this.button1_Click);
        // 
        // pictureBox2
        // 
        this.pictureBox2.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
        this.pictureBox2.Location = new System.Drawing.Point(120, 8);
        this.pictureBox2.Name = "pictureBox2";
        this.pictureBox2.Size = new System.Drawing.Size(100, 70);
        this.pictureBox2.TabIndex = 0;
        this.pictureBox2.TabStop = false;
        // 
        // pictureBox3
        // 
        this.pictureBox3.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
        this.pictureBox3.Location = new System.Drawing.Point(8, 88);
        this.pictureBox3.Name = "pictureBox3";
        this.pictureBox3.Size = new System.Drawing.Size(100, 70);
        this.pictureBox3.TabIndex = 0;
        this.pictureBox3.TabStop = false;
        // 
        // pictureBox4
        // 
        this.pictureBox4.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
        this.pictureBox4.Location = new System.Drawing.Point(120, 88);
        this.pictureBox4.Name = "pictureBox4";
        this.pictureBox4.Size = new System.Drawing.Size(100, 70);
        this.pictureBox4.TabIndex = 0;
        this.pictureBox4.TabStop = false;
        // 
        // Form1
        // 
        this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
        this.ClientSize = new System.Drawing.Size(376, 254);
        this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                      this.button1,
                                      this.pictureBox2,
                                      this.pictureBox3,
                                      this.pictureBox4,
                                      this.pictureBox1});
        this.ResumeLayout(false);
        this.button1.Text = "Display";

    }

    [STAThread]
    static void Main() {
        Application.Run(new Form1());
    }
    private void button1_Click(object sender, System.EventArgs e) {
        SetPictureBoxSizeMode();
    }
    private void SetPictureBoxSizeMode() {
        string path = "3.BMP";  // Change the path if needed.

        pictureBox1.SizeMode = PictureBoxSizeMode.CenterImage;
        pictureBox1.Image = Image.FromFile(path);

        pictureBox2.SizeMode = PictureBoxSizeMode.Normal;
        pictureBox2.Image = Image.FromFile(path);

        pictureBox3.SizeMode = PictureBoxSizeMode.StretchImage;
        pictureBox3.Image = Image.FromFile(path);

        pictureBox4.SizeMode = PictureBoxSizeMode.AutoSize;
        pictureBox4.Image = Image.FromFile(path);
    }

}

    


Subclass PictureBox

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using System;
using System.Drawing;
using System.Windows.Forms;
   
class PictureBoxPlusDemo: Form
{
     public static void Main()
     {
          Application.Run(new PictureBoxPlusDemo());
     }
     public PictureBoxPlusDemo()
     {
          Text = "PictureBoxPlus Demo";
   
          PictureBoxPlus picbox = new PictureBoxPlus();
          picbox.Parent = this;
          picbox.Dock = DockStyle.Fill;
          picbox.Image = Image.FromFile("Color.jpg");
     }
}
     class PictureBoxPlus: PictureBox
     {
          protected override void OnPaint(PaintEventArgs pea)
          {
               ScaleImageIsotropically(pea.Graphics, Image,ClientRectangle);
          }
          void ScaleImageIsotropically(Graphics grfx, Image image,
                                       Rectangle rect)
          {
               SizeF sizef = 
                    new SizeF(image.Width / image.HorizontalResolution,
                              image.Height / image.VerticalResolution);
   
               float fScale = Math.Min(rect.Width  / sizef.Width,
                                       rect.Height / sizef.Height);
   
               sizef.Width  *= fScale;
               sizef.Height *= fScale;
          
               grfx.DrawImage(image,
                              rect.X + (rect.Width  - sizef.Width ) / 2,
                              rect.Y + (rect.Height - sizef.Height) / 2,
                              sizef.Width, sizef.Height);
          }
     }

    


Split Container(Panel): Collapsed

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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.SplitContainer splitContainer1;
  private System.Windows.Forms.SplitContainer splitContainer2;
  private System.Windows.Forms.WebBrowser webBrowser1;
  private System.Windows.Forms.TextBox TextBox1;
  private System.Windows.Forms.Panel pnlFileList;
  private System.Windows.Forms.Button cmdHide;
  private System.Windows.Forms.ListView ListView1;
  private System.Windows.Forms.ColumnHeader ColumnHeader1;
  private System.Windows.Forms.Panel pnlShow;
  private System.Windows.Forms.Button cmdShow;
  public Form1() {
        InitializeComponent();
        ListView1.Items.Add("A");
        ListView1.Items.Add("B");
        ListView1.Items.Add("C");
  }
  private void cmdHide_Click(object sender, EventArgs e)
  {
    splitContainer1.Panel1Collapsed = true;
    pnlShow.Visible = true;

  }

  private void cmdShow_Click(object sender, EventArgs e)
  {
    splitContainer1.Panel1Collapsed = false;
    pnlShow.Visible = false;
    

  }

  private void InitializeComponent()
  {
        this.splitContainer1 = new System.Windows.Forms.SplitContainer();
        this.pnlFileList = new System.Windows.Forms.Panel();
        this.cmdHide = new System.Windows.Forms.Button();
        this.ListView1 = new System.Windows.Forms.ListView();
        this.ColumnHeader1 = new System.Windows.Forms.ColumnHeader();
        this.splitContainer2 = new System.Windows.Forms.SplitContainer();
        this.webBrowser1 = new System.Windows.Forms.WebBrowser();
        this.TextBox1 = new System.Windows.Forms.TextBox();
        this.pnlShow = new System.Windows.Forms.Panel();
        this.cmdShow = new System.Windows.Forms.Button();
        this.splitContainer1.Panel1.SuspendLayout();
        this.splitContainer1.Panel2.SuspendLayout();
        this.splitContainer1.SuspendLayout();
        this.pnlFileList.SuspendLayout();
        this.splitContainer2.Panel1.SuspendLayout();
        this.splitContainer2.Panel2.SuspendLayout();
        this.splitContainer2.SuspendLayout();
        this.pnlShow.SuspendLayout();
        this.SuspendLayout();
        // 
        // splitContainer1
        // 
        this.splitContainer1.Dock = System.Windows.Forms.DockStyle.Fill;
        this.splitContainer1.Location = new System.Drawing.Point(29, 10);
        this.splitContainer1.Name = "splitContainer1";
        // 
        // splitContainer1.Panel1
        // 
        this.splitContainer1.Panel1.Controls.Add(this.pnlFileList);
        this.splitContainer1.Panel1MinSize = 50;
        // 
        // splitContainer1.Panel2
        // 
        this.splitContainer1.Panel2.Controls.Add(this.splitContainer2);
        this.splitContainer1.Size = new System.Drawing.Size(477, 366);
        this.splitContainer1.SplitterDistance = 155;
        this.splitContainer1.TabIndex = 0;
        this.splitContainer1.Text = "splitContainer1";
        // 
        // pnlFileList
        // 
        this.pnlFileList.Controls.Add(this.cmdHide);
        this.pnlFileList.Controls.Add(this.ListView1);
        this.pnlFileList.Dock = System.Windows.Forms.DockStyle.Fill;
        this.pnlFileList.Location = new System.Drawing.Point(0, 0);
        this.pnlFileList.Name = "pnlFileList";
        this.pnlFileList.Padding = new System.Windows.Forms.Padding(0, 0, 1, 0);
        this.pnlFileList.Size = new System.Drawing.Size(155, 366);
        this.pnlFileList.TabIndex = 21;
        // 
        // cmdHide
        // 
        this.cmdHide.Dock = System.Windows.Forms.DockStyle.Bottom;
        this.cmdHide.FlatStyle = System.Windows.Forms.FlatStyle.System;
        this.cmdHide.Location = new System.Drawing.Point(0, 346);
        this.cmdHide.Name = "cmdHide";
        this.cmdHide.Size = new System.Drawing.Size(154, 20);
        this.cmdHide.TabIndex = 23;
        this.cmdHide.Text = "<< Hide";
        this.cmdHide.Click += new System.EventHandler(this.cmdHide_Click);
        // 
        // ListView1
        // 
        this.ListView1.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
                    | System.Windows.Forms.AnchorStyles.Left)
                    | System.Windows.Forms.AnchorStyles.Right)));
        this.ListView1.Columns.AddRange(new System.Windows.Forms.ColumnHeader&#91;&#93; {
        this.ColumnHeader1});
        this.ListView1.Location = new System.Drawing.Point(0, 3);
        this.ListView1.Name = "ListView1";
        this.ListView1.Size = new System.Drawing.Size(152, 337);
        this.ListView1.TabIndex = 22;
        this.ListView1.UseCompatibleStateImageBehavior = false;
        this.ListView1.View = System.Windows.Forms.View.Details;
        // 
        // ColumnHeader1
        // 
        this.ColumnHeader1.Name = "ColumnHeader1";
        this.ColumnHeader1.Text = "File";
        this.ColumnHeader1.Width = 99;
        // 
        // splitContainer2
        // 
        this.splitContainer2.Dock = System.Windows.Forms.DockStyle.Fill;
        this.splitContainer2.Location = new System.Drawing.Point(0, 0);
        this.splitContainer2.Name = "splitContainer2";
        this.splitContainer2.Orientation = System.Windows.Forms.Orientation.Horizontal;
        // 
        // splitContainer2.Panel1
        // 
        this.splitContainer2.Panel1.Controls.Add(this.webBrowser1);
        // 
        // splitContainer2.Panel2
        // 
        this.splitContainer2.Panel2.Controls.Add(this.TextBox1);
        this.splitContainer2.Size = new System.Drawing.Size(318, 366);
        this.splitContainer2.SplitterDistance = 173;
        this.splitContainer2.TabIndex = 0;
        this.splitContainer2.Text = "splitContainer2";
        // 
        // webBrowser1
        // 
        this.webBrowser1.Dock = System.Windows.Forms.DockStyle.Fill;
        this.webBrowser1.Location = new System.Drawing.Point(0, 0);
        this.webBrowser1.Name = "webBrowser1";
        this.webBrowser1.Size = new System.Drawing.Size(318, 173);
        this.webBrowser1.TabIndex = 0;
        // 
        // TextBox1
        // 
        this.TextBox1.Dock = System.Windows.Forms.DockStyle.Fill;
        this.TextBox1.Location = new System.Drawing.Point(0, 0);
        this.TextBox1.Multiline = true;
        this.TextBox1.Name = "TextBox1";
        this.TextBox1.ReadOnly = true;
        this.TextBox1.ScrollBars = System.Windows.Forms.ScrollBars.Vertical;
        this.TextBox1.Size = new System.Drawing.Size(318, 189);
        this.TextBox1.TabIndex = 1;
        // 
        // pnlShow
        // 
        this.pnlShow.Controls.Add(this.cmdShow);
        this.pnlShow.Dock = System.Windows.Forms.DockStyle.Left;
        this.pnlShow.Location = new System.Drawing.Point(10, 10);
        this.pnlShow.Name = "pnlShow";
        this.pnlShow.Padding = new System.Windows.Forms.Padding(0, 0, 3, 0);
        this.pnlShow.Size = new System.Drawing.Size(19, 366);
        this.pnlShow.TabIndex = 23;
        this.pnlShow.Visible = false;
        // 
        // cmdShow
        // 
        this.cmdShow.Dock = System.Windows.Forms.DockStyle.Fill;
        this.cmdShow.FlatStyle = System.Windows.Forms.FlatStyle.System;
        this.cmdShow.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
        this.cmdShow.Location = new System.Drawing.Point(0, 0);
        this.cmdShow.Name = "cmdShow";
        this.cmdShow.Size = new System.Drawing.Size(16, 366);
        this.cmdShow.TabIndex = 21;
        this.cmdShow.Text = ">";
        this.cmdShow.Click += new System.EventHandler(this.cmdShow_Click);
        // 
        // Form1
        // 
        this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
        this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
        this.ClientSize = new System.Drawing.Size(516, 386);
        this.Controls.Add(this.splitContainer1);
        this.Controls.Add(this.pnlShow);
        this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
        this.Name = "Form1";
        this.Padding = new System.Windows.Forms.Padding(10);
        this.Text = "Split Window";
        this.splitContainer1.Panel1.ResumeLayout(false);
        this.splitContainer1.Panel2.ResumeLayout(false);
        this.splitContainer1.ResumeLayout(false);
        this.pnlFileList.ResumeLayout(false);
        this.splitContainer2.Panel1.ResumeLayout(false);
        this.splitContainer2.Panel2.ResumeLayout(false);
        this.splitContainer2.Panel2.PerformLayout();
        this.splitContainer2.ResumeLayout(false);
        this.pnlShow.ResumeLayout(false);
        this.ResumeLayout(false);

  }

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

}



           
          


Scrollable Panel

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/*
User Interfaces in C#: Windows Forms and Custom Controls
by Matthew MacDonald

Publisher: Apress
ISBN: 1590590457
*/

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

namespace UnsualScrolling
{
    /// <summary>
    /// Summary description for ScrollablePanel.
    /// </summary>
    public class ScrollablePanel : System.Windows.Forms.Form
    {
        internal System.Windows.Forms.Panel Panel1;
        internal System.Windows.Forms.Button Button6;
        internal System.Windows.Forms.Button Button5;
        internal System.Windows.Forms.Button Button4;
        internal System.Windows.Forms.Button Button3;
        internal System.Windows.Forms.Button Button2;
        internal System.Windows.Forms.Button Button1;
        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ComponentModel.Container components = null;

        public ScrollablePanel()
        {
            //
            // 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.Panel1 = new System.Windows.Forms.Panel();
            this.Button6 = new System.Windows.Forms.Button();
            this.Button5 = new System.Windows.Forms.Button();
            this.Button4 = new System.Windows.Forms.Button();
            this.Button3 = new System.Windows.Forms.Button();
            this.Button2 = new System.Windows.Forms.Button();
            this.Button1 = new System.Windows.Forms.Button();
            this.Panel1.SuspendLayout();
            this.SuspendLayout();
            // 
            // Panel1
            // 
            this.Panel1.Anchor = (((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
                | System.Windows.Forms.AnchorStyles.Left) 
                | System.Windows.Forms.AnchorStyles.Right);
            this.Panel1.AutoScroll = true;
            this.Panel1.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
            this.Panel1.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                                 this.Button6,
                                                                                 this.Button5,
                                                                                 this.Button4,
                                                                                 this.Button3,
                                                                                 this.Button2,
                                                                                 this.Button1});
            this.Panel1.Location = new System.Drawing.Point(4, 8);
            this.Panel1.Name = "Panel1";
            this.Panel1.Size = new System.Drawing.Size(348, 172);
            this.Panel1.TabIndex = 2;
            // 
            // Button6
            // 
            this.Button6.FlatStyle = System.Windows.Forms.FlatStyle.System;
            this.Button6.Location = new System.Drawing.Point(16, 180);
            this.Button6.Name = "Button6";
            this.Button6.Size = new System.Drawing.Size(168, 24);
            this.Button6.TabIndex = 5;
            this.Button6.Text = "Button6";
            // 
            // Button5
            // 
            this.Button5.FlatStyle = System.Windows.Forms.FlatStyle.System;
            this.Button5.Location = new System.Drawing.Point(16, 148);
            this.Button5.Name = "Button5";
            this.Button5.Size = new System.Drawing.Size(168, 24);
            this.Button5.TabIndex = 4;
            this.Button5.Text = "Button5";
            // 
            // Button4
            // 
            this.Button4.FlatStyle = System.Windows.Forms.FlatStyle.System;
            this.Button4.Location = new System.Drawing.Point(16, 116);
            this.Button4.Name = "Button4";
            this.Button4.Size = new System.Drawing.Size(168, 24);
            this.Button4.TabIndex = 3;
            this.Button4.Text = "Button4";
            // 
            // Button3
            // 
            this.Button3.FlatStyle = System.Windows.Forms.FlatStyle.System;
            this.Button3.Location = new System.Drawing.Point(16, 84);
            this.Button3.Name = "Button3";
            this.Button3.Size = new System.Drawing.Size(168, 24);
            this.Button3.TabIndex = 2;
            this.Button3.Text = "Button3";
            // 
            // Button2
            // 
            this.Button2.FlatStyle = System.Windows.Forms.FlatStyle.System;
            this.Button2.Location = new System.Drawing.Point(16, 52);
            this.Button2.Name = "Button2";
            this.Button2.Size = new System.Drawing.Size(168, 24);
            this.Button2.TabIndex = 1;
            this.Button2.Text = "Button2";
            // 
            // Button1
            // 
            this.Button1.FlatStyle = System.Windows.Forms.FlatStyle.System;
            this.Button1.Location = new System.Drawing.Point(16, 20);
            this.Button1.Name = "Button1";
            this.Button1.Size = new System.Drawing.Size(168, 24);
            this.Button1.TabIndex = 0;
            this.Button1.Text = "Button1";
            // 
            // ScrollablePanel
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(5, 14);
            this.ClientSize = new System.Drawing.Size(360, 194);
            this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                          this.Panel1});
            this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
            this.Name = "ScrollablePanel";
            this.Text = "Scrollable Panel";
            this.Panel1.ResumeLayout(false);
            this.ResumeLayout(false);

        }
        #endregion

        static void Main() 
        {
            Application.Run(new ScrollablePanel());
        }
    }
}


           
          


Scrolling Picture

image_pdfimage_print

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 {
public Form1() {
this.panel1 = new System.Windows.Forms.Panel();
this.SuspendLayout();
this.panel1.AutoScroll = true;
this.panel1.BackgroundImage = new Bitmap(“yourfile.bmp”);
this.panel1.Location = new System.Drawing.Point(13, 13);
this.panel1.Size = new System.Drawing.Size(267, 243);
this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 16F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(292, 268);
this.Controls.Add(this.panel1);
this.Load += new System.EventHandler(this.Form1_Load);
this.ResumeLayout(false); this.panel1.AutoScrollMinSize = this.panel1.BackgroundImage.Size;
}

private void Form1_Load(object sender, EventArgs e) {
int midX = this.panel1.AutoScrollMinSize.Width / 2;
int midY = this.panel1.AutoScrollMinSize.Height / 2;
int halfSizeX = this.panel1.Size.Width / 2;
int halfSizeY = this.panel1.Size.Height / 2;
int startPosX = midX – halfSizeX;
if (startPosX < 0) startPosX = 0; int startPosY = midY - halfSizeY; if (startPosY < 0) startPosY = 0; this.panel1.AutoScrollPosition = new Point(startPosX, startPosY); } private System.Windows.Forms.Panel panel1; [STAThread] static void Main() { Application.EnableVisualStyles(); Application.Run(new Form1()); } } [/csharp]

Get input from password textbox

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

  public class TextForm : System.Windows.Forms.Form
    {
    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 TextForm()
        {
            InitializeComponent();
        }

    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.capsOnlyBox.CharacterCasing = System.Windows.Forms.CharacterCasing.Upper;
      this.capsOnlyBox.Location = new System.Drawing.Point(14, 176);
      this.capsOnlyBox.Size = new System.Drawing.Size(120, 20);
      this.capsOnlyBox.TabIndex = 3;
      this.multiLineBox.AcceptsReturn = true;
      this.multiLineBox.AcceptsTab = true;
      this.multiLineBox.Location = new System.Drawing.Point(152, 8);
      this.multiLineBox.Multiline = true;
      this.multiLineBox.ScrollBars = System.Windows.Forms.ScrollBars.Vertical;
      this.multiLineBox.Size = new System.Drawing.Size(240, 104);
      this.multiLineBox.TabIndex = 0;
      this.multiLineBox.Text = "Get text from multiline textbox";
      this.label1.Font = new System.Drawing.Font("Microsoft Sans Serif", 10F);
      this.label1.Location = new System.Drawing.Point(8, 8);
      this.label1.Size = new System.Drawing.Size(136, 56);
      this.label1.TabIndex = 1;
      this.label1.Text = "this is a multiline text box";
      this.label2.Font = new System.Drawing.Font("Comic Sans MS", 12F);
      this.label2.Location = new System.Drawing.Point(14, 144);
      this.label2.Size = new System.Drawing.Size(106, 24);
      this.label2.TabIndex = 4;
      this.label2.Text = "Caps only!!";
      this.passwordBox.Location = new System.Drawing.Point(160, 176);
      this.passwordBox.PasswordChar = &#039;$&#039;;
      this.passwordBox.Size = new System.Drawing.Size(232, 20);
      this.passwordBox.TabIndex = 5;
      this.passwordBox.Text = "password";
      this.btnGetMultiLineText.Location = new System.Drawing.Point(13, 72);
      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);
      this.btnPasswordDecoderRing.Location = new System.Drawing.Point(280, 144);
      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);
      this.label3.Font = new System.Drawing.Font("Comic Sans MS", 12F);
      this.label3.Location = new System.Drawing.Point(152, 144);
      this.label3.Size = new System.Drawing.Size(120, 24);
      this.label3.TabIndex = 6;
      this.label3.Text = "Password Box";
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(408, 221);
      this.Controls.AddRange(new System.Windows.Forms.Control[] {this.btnPasswordDecoderRing,
                                      this.label3,
                                      this.passwordBox,
                                      this.label2,
                                      this.capsOnlyBox,
                                      this.btnGetMultiLineText,
                                      this.label1,
                                      this.multiLineBox});
      this.Text = "TextBox Types";

    }

    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 TextForm());
        }
    }


           
          


Set password mask char

image_pdfimage_print


   


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

  public class TextForm : System.Windows.Forms.Form
    {
    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 TextForm()
        {
            InitializeComponent();
        }

    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.capsOnlyBox.CharacterCasing = System.Windows.Forms.CharacterCasing.Upper;
      this.capsOnlyBox.Location = new System.Drawing.Point(14, 176);
      this.capsOnlyBox.Size = new System.Drawing.Size(120, 20);
      this.capsOnlyBox.TabIndex = 3;
      this.multiLineBox.AcceptsReturn = true;
      this.multiLineBox.AcceptsTab = true;
      this.multiLineBox.Location = new System.Drawing.Point(152, 8);
      this.multiLineBox.Multiline = true;
      this.multiLineBox.ScrollBars = System.Windows.Forms.ScrollBars.Vertical;
      this.multiLineBox.Size = new System.Drawing.Size(240, 104);
      this.multiLineBox.TabIndex = 0;
      this.multiLineBox.Text = "Get text from multiline textbox";
      this.label1.Font = new System.Drawing.Font("Microsoft Sans Serif", 10F);
      this.label1.Location = new System.Drawing.Point(8, 8);
      this.label1.Size = new System.Drawing.Size(136, 56);
      this.label1.TabIndex = 1;
      this.label1.Text = "this is a multiline text box";
      this.label2.Font = new System.Drawing.Font("Comic Sans MS", 12F);
      this.label2.Location = new System.Drawing.Point(14, 144);
      this.label2.Size = new System.Drawing.Size(106, 24);
      this.label2.TabIndex = 4;
      this.label2.Text = "Caps only!!";
      this.passwordBox.Location = new System.Drawing.Point(160, 176);
      this.passwordBox.PasswordChar = &#039;$&#039;;
      this.passwordBox.Size = new System.Drawing.Size(232, 20);
      this.passwordBox.TabIndex = 5;
      this.passwordBox.Text = "password";
      this.btnGetMultiLineText.Location = new System.Drawing.Point(13, 72);
      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);
      this.btnPasswordDecoderRing.Location = new System.Drawing.Point(280, 144);
      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);
      this.label3.Font = new System.Drawing.Font("Comic Sans MS", 12F);
      this.label3.Location = new System.Drawing.Point(152, 144);
      this.label3.Size = new System.Drawing.Size(120, 24);
      this.label3.TabIndex = 6;
      this.label3.Text = "Password Box";
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(408, 221);
      this.Controls.AddRange(new System.Windows.Forms.Control[] {this.btnPasswordDecoderRing,
                                      this.label3,
                                      this.passwordBox,
                                      this.label2,
                                      this.capsOnlyBox,
                                      this.btnGetMultiLineText,
                                      this.label1,
                                      this.multiLineBox});
      this.Text = "TextBox Types";

    }

    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 TextForm());
        }
    }