Form Dispose : Form « GUI Windows Forms « C# / CSharp Tutorial






  1. C# / CSharp Tutorial
  2. GUI Windows Forms
  3. Form
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

public class FormDispose : System.Windows.Forms.Form
{
  private System.ComponentModel.Container components = null;

  public FormDispose()
  {
    InitializeComponent();
  }

  protected override void Dispose( bool disposing )
  {
    MessageBox.Show("Disposing this Form");
    if( disposing )
    {
      if (components != null) 
      {
        components.Dispose();
      }
    }
    base.Dispose( disposing );    
  }

  private void InitializeComponent()
  {
    this.components = new System.ComponentModel.Container();
    this.Size = new System.Drawing.Size(300,300);
    this.Text = "Form1";
  }

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








23.2.Form
23.2.1.Subclass Form
23.2.2.Use Inherited form in a separate Main class
23.2.3.Inherit Form With Constructor
23.2.4.ResumeLayout and SuspendLayout
23.2.5.Call form constructor to create a Form object
23.2.6.Cal Show method to display a form
23.2.7.Text as the title
23.2.8.Set Form Visible properties
23.2.9.The difference between Form.Show and Application.Run()
23.2.10.The Hello, WindowsForms Application
23.2.11.Build Form without by hand
23.2.12.Inherited Form
23.2.13.Move a Form in codeMove a Form in code
23.2.14.Irregular formIrregular form
23.2.15.Add a Main Menu
23.2.16.Change Form size in menu action
23.2.17.Scroll FormScroll Form
23.2.18.Form message filter
23.2.19.Form Dispose
23.2.20.Change Form Cursor
23.2.21.Add control to Form dynamically