/*
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 StatusBarExample
{
  /// <summary>
  /// Summary description for StatusBarExample.
  /// </summary>
  public class StatusBarExample : System.Windows.Forms.Form
  {
    internal System.Windows.Forms.StatusBar statusBar;
    /// <summary>
    /// Required designer variable.
    /// </summary>
    private System.ComponentModel.Container components = null;

    public StatusBarExample()
    {
      //
      // Required for Windows Form Designer support
      //
      InitializeComponent();

      //
      // TODO: Add any constructor code after InitializeComponent call
      //
    }

    /// <summary>
    /// Clean up any resources being used.
    /// </summary>
    protected override void Dispose( bool disposing )
    {
      if( disposing )
      {
        if (components != null) 
        {
          components.Dispose();
        }
      }
      base.Dispose( disposing );
    }

    #region Windows Form Designer generated code
    /// <summary>
    /// Required method for Designer support - do not modify
    /// the contents of this method with the code editor.
    /// </summary>
    private void InitializeComponent()
    {
      this.statusBar = new System.Windows.Forms.StatusBar();
      this.SuspendLayout();
      // 
      // statusBar
      // 
      this.statusBar.Location = new System.Drawing.Point(0, 138);
      this.statusBar.Name = "statusBar";
      this.statusBar.ShowPanels = true;
      this.statusBar.Size = new System.Drawing.Size(292, 24);
      this.statusBar.SizingGrip = false;
      this.statusBar.TabIndex = 1;
      // 
      // StatusBarExample
      // 
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 14);
      this.ClientSize = new System.Drawing.Size(292, 162);
      this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                      this.statusBar});
      this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
      this.Name = "StatusBarExample";
      this.Text = "StatusBar Example";
      this.Load += new System.EventHandler(this.StatusBarExample_Load);
      this.ResumeLayout(false);

    }
    #endregion

    /// <summary>
    /// The main entry point for the application.
    /// </summary>
    [STAThread]
    static void Main() 
    {
      Application.Run(new StatusBarExample());
    }

    private void StatusBarExample_Load(object sender, System.EventArgs e)
    {
      StatusBarPanel pnlStatus = new StatusBarPanel();
      pnlStatus.Text = "Ready";
      pnlStatus.Icon = new Icon(Application.StartupPath + "active.ico");
      pnlStatus.AutoSize = StatusBarPanelAutoSize.Contents;

      StatusBarPanel pnlConnection = new StatusBarPanel();
      pnlConnection.Text = "Connected to " + "localhost";
      pnlConnection.AutoSize = StatusBarPanelAutoSize.Spring;

      statusBar.Panels.Add(pnlStatus);
      statusBar.Panels.Add(pnlConnection);

    }
  }
}



           
          


StatusBarExample.zip( 22 k)

   

  using System;
  using System.Drawing;
  using System.Collections;
  using System.ComponentModel;
  using System.Windows.Forms;
  using System.Data;

  public class MainForm : System.Windows.Forms.Form
  {
    private StatusBar statusBar = new StatusBar();
    private StatusBarPanel sbPnlPrompt = new StatusBarPanel();
    private StatusBarPanel sbPnlTime = new StatusBarPanel();

    private Timer timer1 = new Timer();
    private MainMenu mainMenu;
    private System.ComponentModel.Container components;

    public MainForm()
    {
      InitializeComponent();

      Text = "Status Bar Example";
      CenterToScreen();
      BackColor = Color.CadetBlue;

      // Configure the timer.
      timer1.Interval = 1000;
      timer1.Enabled = true;
      timer1.Tick += new EventHandler(timer1_Tick);
      this.MenuComplete += new EventHandler(StatusForm_MenuDone);
      BuildMenuSystem();
      BuildStatBar();
    }

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

    // Clicked handlers.
    private void FileExit_Clicked(object sender, EventArgs e) 
    {    
      this.Close();
    }
        
    // Help | About Menu item handler
    private void HelpAbout_Clicked(object sender, EventArgs e) 
    {
      MessageBox.Show("The amazing menu app...");
    }
        
    // Selected handlers.
    private void FileExit_Selected(object sender, EventArgs e) 
    {
      sbPnlPrompt.Text = "Terminates this app";     
    }

    private void HelpAbout_Selected(object sender, EventArgs e) 
    {
      sbPnlPrompt.Text = "Displays app info";
    }

    // Other handlers...
    private void StatusForm_MenuDone(object sender, EventArgs e) 
    {
      sbPnlPrompt.Text = "Ready";
    }

    private void timer1_Tick(object sender, EventArgs e) 
    {
      DateTime t = DateTime.Now;
      string s = t.ToLongTimeString() ;
      sbPnlTime.Text = s ;    
    }

    private void BuildMenuSystem()
    {
      mainMenu = new MainMenu();
      
      MenuItem miFile = mainMenu.MenuItems.Add("&File");          
      miFile.MenuItems.Add(new MenuItem("E&xit",new EventHandler(this.FileExit_Clicked), Shortcut.CtrlX));
      miFile.MenuItems[0].Select += new EventHandler(FileExit_Selected);

      MenuItem miHelp = mainMenu.MenuItems.Add("Help");  
      miHelp.MenuItems.Add(new MenuItem("&About",  new EventHandler(this.HelpAbout_Clicked), Shortcut.CtrlA));
      miHelp.MenuItems[0].Select += new EventHandler(HelpAbout_Selected);

      this.Menu = mainMenu;      
    }

    private void BuildStatBar()
    {
      // Configure the status bar.
      statusBar.ShowPanels = true;
      statusBar.Panels.AddRange(new StatusBarPanel[] {sbPnlPrompt, sbPnlTime});
      
      // Configure prompt panel.
      sbPnlPrompt.BorderStyle = StatusBarPanelBorderStyle.None;
      sbPnlPrompt.AutoSize = StatusBarPanelAutoSize.Spring;
      sbPnlPrompt.Width = 62;
      sbPnlPrompt.Text = "Ready";
      
      // Configure time pane.
      sbPnlTime.Alignment = HorizontalAlignment.Right;
      sbPnlTime.Width = 76;

      try
      {
        Icon i = new Icon("status.ico");
        sbPnlPrompt.Icon = i;
      }
      catch(Exception e)
      {
        Console.WriteLine(e.Message);
      }

      this.Controls.Add(statusBar);  
    }
  }


           
          

   

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.IO;

    public class Form1 : System.Windows.Forms.Form
    {
        private System.Windows.Forms.RadioButton rdoLarge;
        private System.Windows.Forms.RadioButton rdoSmall;
        private System.Windows.Forms.RadioButton rdoList;
        private System.Windows.Forms.RadioButton rdoDetails;
        private System.Windows.Forms.GroupBox groupBox1;
        private System.Windows.Forms.StatusBarPanel statusBarPanel1;
        private System.Windows.Forms.StatusBarPanel statusBarPanel2;
        private System.Windows.Forms.StatusBar sbInfo;

        public Form1()
        {
            InitializeComponent();
        }

        private void InitializeComponent()
        {
            this.rdoDetails = new System.Windows.Forms.RadioButton();
            this.sbInfo = new System.Windows.Forms.StatusBar();
            this.statusBarPanel1 = new System.Windows.Forms.StatusBarPanel();
            this.statusBarPanel2 = new System.Windows.Forms.StatusBarPanel();
            this.rdoList = new System.Windows.Forms.RadioButton();
            this.rdoLarge = new System.Windows.Forms.RadioButton();
            this.rdoSmall = new System.Windows.Forms.RadioButton();
            this.groupBox1 = new System.Windows.Forms.GroupBox();
            ((System.ComponentModel.ISupportInitialize)(this.statusBarPanel1)).BeginInit();
            ((System.ComponentModel.ISupportInitialize)(this.statusBarPanel2)).BeginInit();
            this.groupBox1.SuspendLayout();
            this.SuspendLayout();
            //
            // rdoDetails
            //
            this.rdoDetails.Location = new System.Drawing.Point(8, 96);
            this.rdoDetails.Name = "rdoDetails";
            this.rdoDetails.Size = new System.Drawing.Size(104, 16);
            this.rdoDetails.TabIndex = 3;
            this.rdoDetails.Text = "Details";
            this.rdoDetails.CheckedChanged += new System.EventHandler(this.rdoDetails_CheckedChanged);
            //
            // sbInfo
            //
            this.sbInfo.Location = new System.Drawing.Point(0, 277);
            this.sbInfo.Name = "sbInfo";
            this.sbInfo.Panels.AddRange(new System.Windows.Forms.StatusBarPanel[] {
                                                                                                                                                            this.statusBarPanel1,
                                                                                                                                                            this.statusBarPanel2});
            this.sbInfo.ShowPanels = true;
            this.sbInfo.Size = new System.Drawing.Size(552, 16);
            this.sbInfo.TabIndex = 3;
            //
            // statusBarPanel1
            //
            this.statusBarPanel1.AutoSize = System.Windows.Forms.StatusBarPanelAutoSize.Spring;
            this.statusBarPanel1.Width = 526;
            //
            // statusBarPanel2
            //
            this.statusBarPanel2.AutoSize = System.Windows.Forms.StatusBarPanelAutoSize.Contents;
            this.statusBarPanel2.MinWidth = 0;
            this.statusBarPanel2.Width = 10;
            //
            // rdoList
            //
            this.rdoList.Checked = true;
            this.rdoList.Location = new System.Drawing.Point(8, 72);
            this.rdoList.Name = "rdoList";
            this.rdoList.Size = new System.Drawing.Size(104, 16);
            this.rdoList.TabIndex = 2;
            this.rdoList.TabStop = true;
            this.rdoList.Text = "List";
            this.rdoList.CheckedChanged += new System.EventHandler(this.rdoList_CheckedChanged);
            //
            // rdoLarge
            //
            this.rdoLarge.Location = new System.Drawing.Point(8, 24);
            this.rdoLarge.Name = "rdoLarge";
            this.rdoLarge.Size = new System.Drawing.Size(96, 16);
            this.rdoLarge.TabIndex = 0;
            this.rdoLarge.Text = "LargeIcon";
            this.rdoLarge.CheckedChanged += new System.EventHandler(this.rdoLarge_CheckedChanged);

            //
            // rdoSmall
            //
            this.rdoSmall.Location = new System.Drawing.Point(8, 48);
            this.rdoSmall.Name = "rdoSmall";
            this.rdoSmall.Size = new System.Drawing.Size(104, 16);
            this.rdoSmall.TabIndex = 1;
            this.rdoSmall.Text = "SmallIcon";
            this.rdoSmall.CheckedChanged += new System.EventHandler(this.rdoSmall_CheckedChanged);

            //
            // groupBox1
            //
            this.groupBox1.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                                                                                                        this.rdoDetails,
                                                                                                                                                        this.rdoList,
                                                                                                                                                        this.rdoSmall,
                                                                                                                                                        this.rdoLarge});
            this.groupBox1.Location = new System.Drawing.Point(424, 16);
            this.groupBox1.Name = "groupBox1";
            this.groupBox1.Size = new System.Drawing.Size(120, 128);
            this.groupBox1.TabIndex = 2;
            this.groupBox1.TabStop = false;
            this.groupBox1.Text = "View mode";
            //
            // Form1
            //
            this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
            this.ClientSize = new System.Drawing.Size(552, 293);
            this.Controls.AddRange(new System.Windows.Forms.Control[] {this.sbInfo,
                                                                       this.groupBox1,
                                                                       });
            this.Name = "Form1";
            this.Text = "StatusBar";
            ((System.ComponentModel.ISupportInitialize)(this.statusBarPanel1)).EndInit();
            ((System.ComponentModel.ISupportInitialize)(this.statusBarPanel2)).EndInit();
            this.groupBox1.ResumeLayout(false);
            this.ResumeLayout(false);

        }
        static void Main()
        {
            Application.Run(new Form1());
        }

        private void rdoLarge_CheckedChanged(object sender, System.EventArgs e)
        {
            RadioButton rdb = (RadioButton)sender;
            if (rdb.Checked)
            {
                this.sbInfo.Panels[1].Text = "Large Icon";
            }
            this.sbInfo.Panels[0].Text = "AAA";
        }

        private void rdoList_CheckedChanged(object sender, System.EventArgs e)
        {
            RadioButton rdb = (RadioButton)sender;
            if (rdb.Checked)
            {
                this.sbInfo.Panels[1].Text = "List";
            }
            this.sbInfo.Panels[0].Text = "BBB";
        }

        private void rdoSmall_CheckedChanged(object sender, System.EventArgs e)
        {
            RadioButton rdb = (RadioButton)sender;
            if (rdb.Checked)
            {
                this.sbInfo.Panels[1].Text = "Small Icon";
            }
            this.sbInfo.Panels[0].Text = "CCC";

        }

        private void rdoDetails_CheckedChanged(object sender, System.EventArgs e)
        {
            RadioButton rdb = (RadioButton)sender;
            if (rdb.Checked)
            {
                this.sbInfo.Panels[1].Text = "Details";
            }
            this.sbInfo.Panels[0].Text = "DDD";
        }
    }


           
          

   


using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

public class Form1 : Form
{
    private System.Windows.Forms.Label lblCount;
    List<Rectangle> squares = new List<Rectangle>();

  public Form1() {
        InitializeComponent();
        
  }
    private void NonOptimizedSquares_Paint(object sender, PaintEventArgs e)
    {
      Pen pen = new Pen(Color.Red, 10);
      foreach (Rectangle square in squares) {
        e.Graphics.DrawRectangle(pen, square);
      }
      pen.Dispose();
      lblCount.Text = " " + squares.Count.ToString() + " squares"; 
    }

    private void NonOptimizedSquares_MouseDown(object sender, MouseEventArgs e)
    {
      if (e.Button == MouseButtons.Left)
      {
        Rectangle square = new Rectangle(e.X, e.Y, 20, 20);
        squares.Add(square);
                square.Inflate(1, 1);
                Invalidate(square);
      } 
    }

    private void InitializeComponent()
    {
      this.lblCount = new System.Windows.Forms.Label();
      this.SuspendLayout();
      // 
      // lblCount
      // 
      this.lblCount.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
      this.lblCount.Dock = System.Windows.Forms.DockStyle.Bottom;
      this.lblCount.Location = new System.Drawing.Point(0, 251);
      this.lblCount.Name = "lblCount";
      this.lblCount.Padding = new System.Windows.Forms.Padding(2);
      this.lblCount.Size = new System.Drawing.Size(299, 21);
      this.lblCount.TabIndex = 0;
      // 
      // NonOptimizedSquares
      // 
      this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
      this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
      this.ClientSize = new System.Drawing.Size(299, 272);
      this.Controls.Add(this.lblCount);
      this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
      this.Name = "NonOptimizedSquares";
      this.Text = "NonOptimizedSquares";
      this.Paint += new System.Windows.Forms.PaintEventHandler(this.NonOptimizedSquares_Paint);
      this.MouseDown += new System.Windows.Forms.MouseEventHandler(this.NonOptimizedSquares_MouseDown);
      this.ResumeLayout(false);

    }

  [STAThread]
  static void Main()
  {
    Application.EnableVisualStyles();
    Application.Run(new Form1());
  }

}


           
          

   


using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

public class Form1 : Form
{
  private System.Windows.Forms.GroupBox groupBox1;
  private System.Windows.Forms.ComboBox lstFonts;
  private System.Windows.Forms.Label label1;
  private System.Windows.Forms.StatusStrip statusBar;
  private System.Windows.Forms.ToolStripStatusLabel statusLabel;

  public Form1() {
        InitializeComponent();
    System.Drawing.Text.InstalledFontCollection fonts = new System.Drawing.Text.InstalledFontCollection();
    foreach (FontFamily family in fonts.Families)
    {
      lstFonts.Items.Add(family.Name);
    }
  }

  private void lstFonts_SelectedIndexChanged(object sender, EventArgs e)
  {
        this.Invalidate();
  }

  private void Form1_Paint(object sender, PaintEventArgs e)
  {
    if (lstFonts.SelectedIndex != -1)
    {
            e.Graphics.DrawString(lstFonts.Text, new Font(lstFonts.Text, 50), Brushes.Black, 10, 50);
            statusBar.Items[0].Text = lstFonts.Text;
    }
  }

  private void InitializeComponent()
  {
    this.groupBox1 = new System.Windows.Forms.GroupBox();
    this.lstFonts = new System.Windows.Forms.ComboBox();
    this.label1 = new System.Windows.Forms.Label();
    this.statusBar = new System.Windows.Forms.StatusStrip();
    this.statusLabel = new System.Windows.Forms.ToolStripStatusLabel();
    this.groupBox1.SuspendLayout();
    this.statusBar.SuspendLayout();
    this.SuspendLayout();
    // 
    // groupBox1
    // 
    this.groupBox1.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)
          | System.Windows.Forms.AnchorStyles.Right)));
    this.groupBox1.Controls.Add(this.lstFonts);
    this.groupBox1.Controls.Add(this.label1);
    this.groupBox1.Location = new System.Drawing.Point(7, 0);
    this.groupBox1.Name = "groupBox1";
    this.groupBox1.Size = new System.Drawing.Size(497, 40);
    this.groupBox1.TabIndex = 1;
    this.groupBox1.TabStop = false;
    // 
    // lstFonts
    // 
    this.lstFonts.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
    this.lstFonts.DropDownWidth = 340;
    this.lstFonts.FormattingEnabled = true;
    this.lstFonts.Location = new System.Drawing.Point(100, 12);
    this.lstFonts.Name = "lstFonts";
    this.lstFonts.Size = new System.Drawing.Size(340, 21);
    this.lstFonts.TabIndex = 1;
    this.lstFonts.SelectedIndexChanged += new System.EventHandler(this.lstFonts_SelectedIndexChanged);
    // 
    // label1
    // 
    this.label1.Location = new System.Drawing.Point(12, 16);
    this.label1.Name = "label1";
    this.label1.Size = new System.Drawing.Size(80, 12);
    this.label1.TabIndex = 0;
    this.label1.Text = "Choose Font:";
    // 
    // statusBar
    // 
    this.statusBar.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
        this.statusLabel});
    this.statusBar.LayoutStyle = System.Windows.Forms.ToolStripLayoutStyle.Table;
    this.statusBar.Location = new System.Drawing.Point(0, 155);
    this.statusBar.Name = "statusBar";
    this.statusBar.Size = new System.Drawing.Size(516, 22);
    this.statusBar.TabIndex = 2;
    this.statusBar.Text = "statusStrip1";
    // 
    // statusLabel
    // 
    this.statusLabel.Name = "statusLabel";
    // 
    // Form1
    // 
    this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
    this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
    this.ClientSize = new System.Drawing.Size(516, 177);
    this.Controls.Add(this.groupBox1);
    this.Controls.Add(this.statusBar);
    this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
    this.Text = "Font Viewer";
    this.Load += new System.EventHandler(this.Form1_Load);
    this.groupBox1.ResumeLayout(false);
    this.statusBar.ResumeLayout(false);
    this.ResumeLayout(false);
    this.PerformLayout();

  }

  [STAThread]
  static void Main()
  {
    Application.EnableVisualStyles();
    Application.Run(new Form1());
  }

}


           
          

   
 


using System;
using System.Drawing;
using System.Windows.Forms;
   
class OnePanelWithSplitter: Form
{
     public static void Main()
     {
          Application.Run(new OnePanelWithSplitter());
     }
     public OnePanelWithSplitter()
     {
          Text = "One Panel with Splitter";
   
          Splitter split  = new Splitter();
          split.Parent    = this;
          split.Dock      = DockStyle.Left;
   
          Panel panel     = new Panel();
          panel.Parent    = this;
          panel.Dock      = DockStyle.Left;
          panel.BackColor = Color.Lime;
          panel.Resize   += new EventHandler(PanelOnResize);
          panel.Paint    += new PaintEventHandler(PanelOnPaint);
     }
     void PanelOnResize(object obj, EventArgs ea)
     {
          ((Panel) obj).Invalidate();
     }
     void PanelOnPaint(object obj, PaintEventArgs pea)
     {
          Panel    panel = (Panel) obj;
          Graphics grfx  = pea.Graphics;
   
          grfx.DrawEllipse(Pens.Black, 0, 0, 
                           panel.Width - 1, panel.Height - 1);
     }
}

    

   
 

using System;
using System.Drawing;
using System.Windows.Forms;
   
class TwoPanelsWithSplitter: Form
{
     public static void Main()
     {
          Application.Run(new TwoPanelsWithSplitter());
     }
     public TwoPanelsWithSplitter()
     {
          Panel panel1     = new Panel();
          panel1.Parent    = this;
          panel1.Dock      = DockStyle.Fill;
          panel1.BackColor = Color.Lime;
          panel1.Resize   += new EventHandler(PanelOnResize);
          panel1.Paint    += new PaintEventHandler(PanelOnPaint);
   
          Splitter split   = new Splitter();
          split.Parent     = this;
          split.Dock       = DockStyle.Right;
   
          Panel panel2     = new Panel();
          panel2.Parent    = this;
          panel2.Dock      = DockStyle.Right;
          panel2.BackColor = Color.Red;
          panel2.Resize   += new EventHandler(PanelOnResize);
          panel2.Paint    += new PaintEventHandler(PanelOnPaint);
     }
     void PanelOnResize(object obj, EventArgs ea)
     {
          ((Panel) obj).Invalidate();
     }
     void PanelOnPaint(object obj, PaintEventArgs pea)
     {
          Panel    panel = (Panel) obj;
          Graphics grfx  = pea.Graphics;
   
          grfx.DrawEllipse(Pens.Black, 0, 0, 
                           panel.Width - 1, panel.Height - 1);
     }
}