Mega Code Archive

 

Categories / C# / Components

 

Numeric TextBox Control

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 NumericTextBox numericTextBox1;       public Form1() {             InitializeComponent();       }         private void InitializeComponent()         {             this.numericTextBox1 = new NumericTextBox();             this.SuspendLayout();             this.numericTextBox1.Location = new System.Drawing.Point(13, 13);             this.numericTextBox1.Name = "numericTextBox1";             this.numericTextBox1.TabIndex = 0;             this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);             this.ClientSize = new System.Drawing.Size(248, 130);             this.Controls.Add(this.numericTextBox1);             this.Name = "Form1";             this.Text = "Form1";             this.ResumeLayout(false);             this.PerformLayout();         }       [STAThread]       static void Main()       {         Application.EnableVisualStyles();         Application.Run(new Form1());       } }     public class NumericTextBox : TextBox     {         protected override void OnKeyPress(KeyPressEventArgs e)         {             if (!char.IsControl(e.KeyChar) && !char.IsDigit(e.KeyChar))             {                 e.Handled = true;             }             base.OnKeyPress(e);         }     }