Csharp/CSharp Tutorial/GUI Windows Forms/Password Field
Password field
<source lang="csharp">using System; using System.ruponentModel; using System.Windows.Forms; public class TextForm : System.Windows.Forms.Form {
private System.ruponentModel.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 TextForm()
{
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";
//
// TextForm
//
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 = "TextForm";
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 TextForm());
}
}</source>
Password fields match
<source lang="csharp">using System; using System.Collections.Generic; using System.ruponentModel; using System.Data; using System.Drawing; using System.Windows.Forms; partial class Form1 : Form {
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
if ( UserIsValid( password1.Text, password2.Text ))
{
MessageBox.Show("Congratulations - they match!");
}
else
{
MessageBox.Show("They don"t match - try again.");
}
}
private bool UserIsValid(string firstPassword, string secondPassword)
{
return (firstPassword == secondPassword);
}
} partial class Form1 {
private void InitializeComponent()
{
this.label1 = new System.Windows.Forms.Label();
this.label2 = new System.Windows.Forms.Label();
this.password1 = new System.Windows.Forms.TextBox();
this.password2 = new System.Windows.Forms.TextBox();
this.button1 = new System.Windows.Forms.Button();
this.SuspendLayout();
this.label1.AutoSize = true;
this.label1.Location = new System.Drawing.Point(13, 10);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(83, 14);
this.label1.TabIndex = 0;
this.label1.Text = "Enter password";
this.label2.AutoSize = true;
this.label2.Location = new System.Drawing.Point(25, 37);
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size(71, 14);
this.label2.TabIndex = 1;
this.label2.Text = "Enter it again";
this.password1.Location = new System.Drawing.Point(103, 7);
this.password1.Name = "password1";
this.password1.Size = new System.Drawing.Size(182, 20);
this.password1.TabIndex = 2;
this.password2.Location = new System.Drawing.Point(103, 34);
this.password2.Name = "password2";
this.password2.Size = new System.Drawing.Size(182, 20);
this.password2.TabIndex = 3;
this.button1.Location = new System.Drawing.Point(210, 63);
this.button1.Name = "button1";
this.button1.TabIndex = 4;
this.button1.Text = "OK";
this.button1.Click += new System.EventHandler(this.button1_Click);
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(302, 98);
this.Controls.Add(this.button1);
this.Controls.Add(this.password2);
this.Controls.Add(this.password1);
this.Controls.Add(this.label2);
this.Controls.Add(this.label1);
this.Name = "Form1";
this.Text = "Form1";
this.ResumeLayout(false);
this.PerformLayout();
}
private System.Windows.Forms.Label label1;
private System.Windows.Forms.Label label2;
private System.Windows.Forms.TextBox password1;
private System.Windows.Forms.TextBox password2;
private System.Windows.Forms.Button button1;
} public class PasswordFieldCompare {
[STAThread]
static void Main()
{
Application.Run(new Form1());
}
}</source>
