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Control Enabled

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Control Enabled using System; using System.Drawing; using System.Windows.Forms; class MainWindow : Form { private TextBox firstNameBox = new TextBox(); private Button btnShowControls = new Button(); public MainWindow() { this.Text = "Simple Controls"; this.Width = 360; this.Height = 240; CenterToScreen(); firstNameBox.Text = "Superman"; firstNameBox.Size = new Size(120, 60); firstNameBox.Location = new Point(10, 10); this.Controls.Add(firstNameBox); btnShowControls.Text = "Click Me"; btnShowControls.Size = new Size(90, 30); btnShowControls.Location = new Point(10, 70); btnShowControls.BackColor = Color.DodgerBlue; btnShowControls.Click += new EventHandler(btnShowControls_Clicked); this.Controls.Add(btnShowControls); } private void btnShowControls_Clicked(object sender, EventArgs e) { string ctrlInfo = ""; foreach (Control c in this.Controls) { ctrlInfo += string.Format("Control: {0}\n",c.ToString()); } MessageBox.Show(ctrlInfo, "Controls on Form"); DisableAllButtons(); } private void DisableAllButtons() { foreach (Control c in this.Controls) { if (c is Button) ((Button)c).Enabled = false; } } public static void Main(string[] args) { Application.Run(new MainWindow()); } }