MaskedTextBox.MaskInputRejected : MaskedTextBox « System.Windows.Forms « C# / C Sharp by API

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C# / C Sharp by API » System.Windows.Forms » MaskedTextBox 
MaskedTextBox.MaskInputRejected
 


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

public class MainWindow : Form {
    public MainWindow() {
        InitializeComponent();
        CreateLabelControl();
    }

    private void btnDisplayData_Click(object sender, EventArgs e) {
        string textBoxData = "";
        textBoxData += string.Format("MultiLine:  {0}\n", txtMultiline.Text);
        textBoxData += string.Format("\nPassword:  {0}\n", txtPassword.Text);
        textBoxData += string.Format("\nUppercase:  {0}\n", txtUpperCase.Text);
        textBoxData += string.Format("\nMasked:  {0}\n", txtMaskedTextBox.Text);

        MessageBox.Show(textBoxData, "Here is the data in your TextBoxes");
    }

    private void CreateLabelControl() {
        Label lblInstructions = new Label();
        lblInstructions.Text = "Please enter values in all the text boxes";
        lblInstructions.Font = new Font("Times New Roman"9.75F, FontStyle.Bold);
        lblInstructions.AutoSize = true;
        lblInstructions.Location = new System.Drawing.Point(1613);
        lblInstructions.Size = new System.Drawing.Size(24016);
        this.Controls.Add(lblInstructions);
    }

    private void txtMaskedTextBox_MaskInputRejected(object sender, MaskInputRejectedEventArgs e) {
        this.Text = string.Format("Error: {0}", e.RejectionHint);
    }

    private void txtMaskedTextBox_KeyDown(object sender, KeyEventArgs e) {
        this.Text = "Labels and TextBoxes";
    }
    private void InitializeComponent() {
        this.lblPassword = new System.Windows.Forms.Label();
        this.txtPassword = new System.Windows.Forms.TextBox();
        this.lblMultiline = new System.Windows.Forms.Label();
        this.txtMultiline = new System.Windows.Forms.TextBox();
        this.lblUpperCaseOnly = new System.Windows.Forms.Label();
        this.txtUpperCase = new System.Windows.Forms.TextBox();
        this.lblMaskedTextBox = new System.Windows.Forms.Label();
        this.txtMaskedTextBox = new System.Windows.Forms.MaskedTextBox();
        this.btnDisplayData = new System.Windows.Forms.Button();
        this.SuspendLayout();

        this.lblPassword.AutoSize = true;
        this.lblPassword.Location = new System.Drawing.Point(1343);
        this.lblPassword.Name = "lblPassword";
        this.lblPassword.Size = new System.Drawing.Size(9413);
        this.lblPassword.TabIndex = 0;
        this.lblPassword.Text = "&Password TextBox:";

        this.txtPassword.Location = new System.Drawing.Point(12543);
        this.txtPassword.Name = "txtPassword";
        this.txtPassword.PasswordChar = '*';
        this.txtPassword.Size = new System.Drawing.Size(22020);
        this.txtPassword.TabIndex = 1;

        this.lblMultiline.AutoSize = true;
        this.lblMultiline.Location = new System.Drawing.Point(1480);
        this.lblMultiline.Name = "lblMultiline";
        this.lblMultiline.Size = new System.Drawing.Size(8613);
        this.lblMultiline.TabIndex = 2;
        this.lblMultiline.Text = "&Multiline TextBox:";

        this.txtMultiline.Location = new System.Drawing.Point(12580);
        this.txtMultiline.Multiline = true;
        this.txtMultiline.Name = "txtMultiline";
        this.txtMultiline.ScrollBars = System.Windows.Forms.ScrollBars.Vertical;
        this.txtMultiline.Size = new System.Drawing.Size(22052);
        this.txtMultiline.TabIndex = 3;

        this.lblUpperCaseOnly.AutoSize = true;
        this.lblUpperCaseOnly.Location = new System.Drawing.Point(15157);
        this.lblUpperCaseOnly.Name = "lblUpperCaseOnly";
        this.lblUpperCaseOnly.Size = new System.Drawing.Size(8213);
        this.lblUpperCaseOnly.TabIndex = 4;
        this.lblUpperCaseOnly.Text = "&Uppercase Only:";

        this.txtUpperCase.CharacterCasing = System.Windows.Forms.CharacterCasing.Upper;
        this.txtUpperCase.Location = new System.Drawing.Point(125157);
        this.txtUpperCase.Name = "txtUpperCase";
        this.txtUpperCase.Size = new System.Drawing.Size(22020);
        this.txtUpperCase.TabIndex = 5;
        // 
        this.lblMaskedTextBox.AutoSize = true;
        this.lblMaskedTextBox.Location = new System.Drawing.Point(15199);
        this.lblMaskedTextBox.Name = "lblMaskedTextBox";
        this.lblMaskedTextBox.Size = new System.Drawing.Size(8313);
        this.lblMaskedTextBox.TabIndex = 7;
        this.lblMaskedTextBox.Text = "Mas&ked TextBox";
        // 
        this.txtMaskedTextBox.BeepOnError = true;
        this.txtMaskedTextBox.CausesValidation = false;
        this.txtMaskedTextBox.Location = new System.Drawing.Point(125199);
        this.txtMaskedTextBox.Mask = "(999) 000-0000";
        this.txtMaskedTextBox.Name = "txtMaskedTextBox";
        this.txtMaskedTextBox.Size = new System.Drawing.Size(22020);
        this.txtMaskedTextBox.TabIndex = 8;
        this.txtMaskedTextBox.KeyDown += new System.Windows.Forms.KeyEventHandler(this.txtMaskedTextBox_KeyDown);
        this.txtMaskedTextBox.MaskInputRejected += new System.Windows.Forms.MaskInputRejectedEventHandler(this.txtMaskedTextBox_MaskInputRejected);
        // 
        this.btnDisplayData.Location = new System.Drawing.Point(257236);
        this.btnDisplayData.Name = "btnDisplayData";
        this.btnDisplayData.Size = new System.Drawing.Size(8823);
        this.btnDisplayData.TabIndex = 6;
        this.btnDisplayData.Text = "Display Data";
        this.btnDisplayData.Click += new System.EventHandler(this.btnDisplayData_Click);
        // 
        this.AutoScaleDimensions = new System.Drawing.SizeF(6F13F);
        this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
        this.ClientSize = new System.Drawing.Size(357276);
        this.Controls.Add(this.txtMaskedTextBox);
        this.Controls.Add(this.lblMaskedTextBox);
        this.Controls.Add(this.btnDisplayData);
        this.Controls.Add(this.txtUpperCase);
        this.Controls.Add(this.lblUpperCaseOnly);
        this.Controls.Add(this.txtMultiline);
        this.Controls.Add(this.lblMultiline);
        this.Controls.Add(this.txtPassword);
        this.Controls.Add(this.lblPassword);
        this.Text = "Fun with Labels and TextBoxes";
        this.ResumeLayout(false);
        this.PerformLayout();
    }
    private System.Windows.Forms.Label lblPassword;
    private System.Windows.Forms.TextBox txtPassword;
    private System.Windows.Forms.Label lblMultiline;
    private System.Windows.Forms.TextBox txtMultiline;
    private System.Windows.Forms.Label lblUpperCaseOnly;
    private System.Windows.Forms.TextBox txtUpperCase;
    private System.Windows.Forms.Label lblMaskedTextBox;
    private System.Windows.Forms.MaskedTextBox txtMaskedTextBox;
    private System.Windows.Forms.Button btnDisplayData;

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

   
  
Related examples in the same category
1.MaskedTextBox.BeepOnError
2.MaskedTextBox.CausesValidation
3.MaskedTextBox.KeyDown
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