Form size changed event handler : Form Event « GUI Windows Forms « C# / CSharp Tutorial

Home
C# / CSharp Tutorial
1.Language Basics
2.Data Type
3.Operator
4.Statement
5.String
6.struct
7.Class
8.Operator Overload
9.delegate
10.Attribute
11.Data Structure
12.Assembly
13.Date Time
14.Development
15.File Directory Stream
16.Preprocessing Directives
17.Regular Expression
18.Generic
19.Reflection
20.Thread
21.I18N Internationalization
22.LINQ
23.GUI Windows Forms
24.Windows Presentation Foundation
25.Windows Communication Foundation
26.Workflow
27.2D
28.Design Patterns
29.Windows
30.XML
31.XML LINQ
32.ADO.Net
33.Network
34.Directory Services
35.Security
36.unsafe
C# / C Sharp
C# / C Sharp by API
C# / CSharp Open Source
C# / CSharp Tutorial » GUI Windows Forms » Form Event 
23.3.1.Form size changed event handler
Form size changed event handler
using System;
using System.Drawing;
using System.Windows.Forms;

public class ControlDynamicSizeLocation : Form
{
  private Button btnShow = new Button();
  private Label lbl = new Label();
  int xButtonSize, yButtonSize;

  public ControlDynamicSizeLocation()
  {
    btnShow.Parent = this;
    btnShow.Text = "Show Button Properties";

    Size = new Size(400,400);

    xButtonSize = (int)(Font.Height * .75* btnShow.Text.Length;
    yButtonSize = Font.Height * 2;
    btnShow.Size = new Size(xButtonSize, yButtonSize);
    btnShow.Click += new System.EventHandler(btnShow_Click);

    lbl.Text = "Control Size and Location - Dynamic";
    lbl.AutoSize = true;
    lbl.Parent = this;

    OnResize(EventArgs.Empty);
  }

  protected override void OnResize(EventArgs e)
  {
    base.OnResize(e);

    int xPosition = (int)(this.ClientSize.Width / 2(int)(xButtonSize / 2);
    int yPosition = (int)(this.ClientSize.Height / 2(int)(yButtonSize / 2);
    btnShow.Location = new Point(xPosition, yPosition);
  }

  static void Main() 
  {
    Application.Run(new ControlDynamicSizeLocation());
  }

  private void btnShow_Click(object sender, EventArgs e)
  {
    Console.WriteLine("Button Bottom:" + btnShow.Bottom.ToString());
    Console.WriteLine("Button Top:" + btnShow.Top.ToString() );
    Console.WriteLine("Button Left:" + btnShow.Left.ToString() );
    Console.WriteLine("Button Right:" + btnShow.Right.ToString() );
    Console.WriteLine("Button Location:" + btnShow.Location.ToString() );
    Console.WriteLine("Button Width:" + btnShow.Width.ToString() );
    Console.WriteLine("Button Height:" + btnShow.Height.ToString() );
    Console.WriteLine("Button Size:" + btnShow.Size.ToString() );
    Console.WriteLine("Button ClientSize:" + btnShow.ClientSize.ToString() );
    Console.WriteLine("Font:" + btnShow.Font.ToString());
  }
}
23.3.Form Event
23.3.1.Form size changed event handlerForm size changed event handler
23.3.2.All form eventsAll form events
23.3.3.React to form resize eventReact to form resize event
23.3.4.Paint eventPaint event
23.3.5.Paint two forms with one paint event handler
23.3.6.Paint one forms with two paint event handler
23.3.7.Form Mouse Up event
23.3.8.Form mouse move event
23.3.9.Form Key event
23.3.10.Form life time event: Closing, Load, Closed, Activated, Deactivate
23.3.11.Cancel Form Closing event
23.3.12.Form Paint eventForm Paint event
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.