C# Windows Forms MaskedTextBox Examples

Let us look at a simple C# Windows Forms MaskedTextBox example.

Example 1: MaskedTextBox

This example will comprise the following files:

  • MaskedTextBox.cs

Step 1: Create Project

  1. The first step is to create a C# Project.
  2. Go to FILE-->New-->Project to create a new project.

Step 2: Write Code

Write Code as follows:

*(a). MaskedTextBox.cs

Create a file named MaskedTextBox.cs

Here is the full code

using System;
using System.Windows.Forms;

namespace Examples {
  class MainForm : Form {
    public static void Main() {
      Application.Run(new MainForm());

    public MainForm() {
      Text = "MaskedTextBox example";

      labelAge.Location = new System.Drawing.Point(10, 12);
      labelAge.Text = "Phone";
      labelAge.AutoSize = true;

      maskedTextBoxAge.Location = new System.Drawing.Point(50, 10);
      maskedTextBoxAge.Mask = "+999(999)99999999";
      maskedTextBoxAge.Text = "";

      Controls.AddRange(new Control[] { labelAge, maskedTextBoxAge });

    private Label labelAge = new Label();
    private MaskedTextBox maskedTextBoxAge = new MaskedTextBox();


Simply copy the source code into your C# Project,Build and Run. Alternatively download the code using the links provided below, then open the .csproj project, build and run.


Download the code using the below links:

Number Link
1. Download Example
2. Follow code author

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