/*
User Interfaces in C#: Windows Forms and Custom Controls
by Matthew MacDonald
Publisher: Apress
ISBN: 1590590457
*/
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
namespace LayoutManager
{
///
///
public class LayoutManager : System.Windows.Forms.Form
{
internal System.Windows.Forms.TabControl tabControl1;
internal System.Windows.Forms.TabPage tabPage1;
internal System.Windows.Forms.TabPage tabPage2;
///
///
private System.ComponentModel.Container components = null;
public LayoutManager()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
//
// TODO: Add any constructor code after InitializeComponent call
//
}
///
///
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
#region Windows Form Designer generated code
///
/// the contents of this method with the code editor.
///
private void InitializeComponent()
{
this.tabControl1 = new System.Windows.Forms.TabControl();
this.tabPage1 = new System.Windows.Forms.TabPage();
this.tabPage2 = new System.Windows.Forms.TabPage();
this.tabControl1.SuspendLayout();
this.SuspendLayout();
//
// tabControl1
//
this.tabControl1.Anchor = (((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
| System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right);
this.tabControl1.Controls.AddRange(new System.Windows.Forms.Control[] {
this.tabPage1,
this.tabPage2});
this.tabControl1.Location = new System.Drawing.Point(6, 3);
this.tabControl1.Name = “tabControl1”;
this.tabControl1.SelectedIndex = 0;
this.tabControl1.Size = new System.Drawing.Size(280, 260);
this.tabControl1.TabIndex = 1;
//
// tabPage1
//
this.tabPage1.Location = new System.Drawing.Point(4, 22);
this.tabPage1.Name = “tabPage1”;
this.tabPage1.Size = new System.Drawing.Size(272, 234);
this.tabPage1.TabIndex = 0;
this.tabPage1.Text = “TabPage1”;
//
// tabPage2
//
this.tabPage2.Location = new System.Drawing.Point(4, 22);
this.tabPage2.Name = “tabPage2”;
this.tabPage2.Size = new System.Drawing.Size(272, 234);
this.tabPage2.TabIndex = 1;
this.tabPage2.Text = “TabPage2”;
this.tabPage2.Visible = false;
//
// LayoutManager
//
this.AutoScaleBaseSize = new System.Drawing.Size(5, 14);
this.ClientSize = new System.Drawing.Size(292, 266);
this.Controls.AddRange(new System.Windows.Forms.Control[] {
this.tabControl1});
this.Font = new System.Drawing.Font(“Tahoma”, 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
this.Name = “LayoutManager”;
this.Text = “LayoutManager”;
this.Load += new System.EventHandler(this.LayoutManager_Load);
this.tabControl1.ResumeLayout(false);
this.ResumeLayout(false);
}
#endregion
///
///
[STAThread]
static void Main()
{
Application.Run(new LayoutManager());
}
private void LayoutManager_Load(object sender, System.EventArgs e)
{
// Create and attach the layout manager.
SingleLineFlow layoutManager = new SingleLineFlow(tabPage1, 20);
// Add 10 sample checkboxes.
CheckBox chkbox;
for (int i = 1; i < 11; i++) { chkbox = new CheckBox(); chkbox.Text = "Setting " + i.ToString(); tabPage1.Controls.Add(chkbox); } } } public class SingleLineFlow { private Control container; private int margin; public SingleLineFlow(Control parent, int margin) { this.container = parent; this.margin = margin; // Attach the event handler. container.Layout += new LayoutEventHandler(UpdateLayout); // Refresh the layout. UpdateLayout(this, null); } public int Margin { get { return margin; } set { margin = value; } } // This is public so it can be triggered manually if needed. public void UpdateLayout(object sender, System.Windows.Forms.LayoutEventArgs e) { int y = 0; foreach (Control ctrl in container.Controls) { y += Margin; ctrl.Left = Margin; ctrl.Top = y; ctrl.Width = container.Width; ctrl.Height = Margin; } } } } [/csharp]
