que está protegido contra a entrada de caracteres
ou acentos, ou tudo o que não seja dígitos.
//Preenchendo
um array com textBox
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace keypress {
public partial
class Form1 : Form {
public System.Windows.Forms.TextBox textBox;
int a = 0, i = 0;
int [ ] arr = new
int [ 5 ];
public System.Windows.Forms.Button button_1;
public System.Windows.Forms.Button button_2;
private System.Windows.Forms.ListBox listBox;
/*============================================================*/
public void
gerarNumeros ( ) {
button_2 = new System.Windows.Forms.Button ( );
button_2.Size = new System.Drawing.Size ( 40, 25 );
//button_2.AutoSize
= true;
button_2.Location = new System.Drawing.Point ( 360, 65 );
button_2.Text = "&Ok";
button_2.BackColor = Color.Blue;
button_2.Click += new EventHandler ( this.okClick );
}
/*============================================================*/
private void
okClick ( object
sender, EventArgs e ) {
arr [ a ] = Int32.Parse ( textBox.Text
);
//limpa o campo do TextBox a cada novo click
do botão
textBox.Clear ( );
//Quando a recebe o quinto clique imprime.
if ( a == 4 ) {
for ( i = 0; i < arr.Length; i++ ) {
listBox.Items.Add ( arr [ i
] );
}
}
//O a indexa o array a cada click no botão
a++;
}
/*============================================================*/
public void
text_Box ( ) {
textBox = new System.Windows.Forms.TextBox ( );
textBox.ForeColor = Color.Red;
textBox.BackColor = Color.Black;
textBox.Location = new Point ( 250, 60 );
//Propriedades de fonte no listBox
textBox.Font = new Font ( "Times New
Roman",
15F,
System.Drawing.FontStyle.Bold,
System.Drawing.GraphicsUnit.Point, 0 );
//Colororindo a font do texttBox com rgb
textBox.ForeColor = Color.FromArgb
( 255, 0, 255 );
}
public void textBox1_KeyPress ( object sender,
KeyPressEventArgs e ) {
//Se a tecla digitada não for número e nem
backspace
if ( !char.IsDigit ( e.KeyChar ) && e.KeyChar
!= 08 ) {
//Atribui True no Handled para cancelar
o evento
e.Handled = true;
}
}
/*============================================================*/
public void list_Box ( ) {
listBox = new
System.Windows.Forms.ListBox ( );
listBox.Location = new Point ( 250, 100 );
//Propriedades de fonte no listBox
listBox.Font = new Font ( "Times New
Roman",
15F,
System.Drawing.FontStyle.Bold,
System.Drawing.GraphicsUnit.Point, 0 );
//Colororindo a font do listBox com rgb
listBox.ForeColor = Color.FromArgb
( 255, 0, 255 );
}
/*============================================================*/
public void teste (
PaintEventArgs e ) {
Graphics dc = e.Graphics;
Pen BluePen = new Pen ( Color.Blue, 10
);
Pen RedPen = new Pen ( Color.Red, 10
);
dc.DrawRectangle ( BluePen, 5, 5,
575, 250 );
Font myFont = new System.Drawing.Font (
"Helvetica", 16,
FontStyle.Italic );
Brush myBrush = new SolidBrush (
System.Drawing.Color.Black );
dc.DrawString ( "PREENCHENDO
LISTBOX COM ARRAY",
myFont, myBrush, 110, 20 );
}
/*============================================================*/
public void buttonSair ( ) {
button_1 = new
System.Windows.Forms.Button ( );
button_1.Size = new System.Drawing.Size (
50, 30 );
button_1.Location = new System.Drawing.Point
( 285, 210 );
button_1.Text = "&Sair";
button_1.BackColor = Color.Green;
button_1.Click += new EventHandler ( this.sair );
}
protected void sair ( object sender,
System.EventArgs e ) {
Application.Exit ( );
}
/*============================================================*/
protected override void OnPaint (
PaintEventArgs e ) {
this.Size = new System.Drawing.Size ( 600, 300 );
this.Text = "CRIANDO UMA MOLDURA EM C# xxx";
this.BackColor = Color.LightPink;
teste ( e );
}
/*============================================================*/
public Form1 ( ) {
text_Box ( );
this.textBox.KeyPress += new System.Windows.Forms.
KeyPressEventHandler ( this.textBox1_KeyPress );
list_Box ( );
buttonSair ( );
gerarNumeros ( );
this.Controls.Add ( this.textBox );
this.Controls.Add ( this.listBox );
this.Controls.Add ( this.button_1 );
this.Controls.Add ( this.button_2 );
}
/*============================================================*/
}
static class Program {
/// <summary>
/// The main entry point
for the application.
/// </summary>
[STAThread]
static void Main ( ) {
Application.EnableVisualStyles ( );
Application.SetCompatibleTextRenderingDefault ( false );
Application.Run ( new Form1 ( ) );
}
}
}
