Csharp/C Sharp by API/System.Windows.Forms/ImageList

ImageList.ColorDepth

  

using System;
using System.Collections.Generic;
using System.ruponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO;
public class Form1 : Form
{
    private System.Windows.Forms.Button cmdFillImageList;
    private System.Windows.Forms.Button cmdPaintImages;
    private System.Windows.Forms.ImageList iconImages;
  public Form1() {
        InitializeComponent();
  }
    private void cmdFillImageList_Click(object sender, EventArgs e)
    {
        iconImages.ColorDepth = System.Windows.Forms.ColorDepth.Depth8Bit;
        iconImages.ImageSize = new System.Drawing.Size(16, 16);
        string[] iconFiles = Directory.GetFiles(Application.StartupPath, "*.ico");
        foreach (string iconFile in iconFiles)
        {
            Icon newIcon = new Icon(iconFile);
            iconImages.Images.Add(newIcon);
        }
    }
    private void cmdPaintImages_Click(object sender, EventArgs e)
    {
        Graphics g = this.CreateGraphics();
        for (int i = 0; i < iconImages.Images.Count; i++)
        {
            iconImages.Draw(g, 30 + i * 30, 30, i);
        }
        g.Dispose();
    }
    private void InitializeComponent()
    {
        this.cmdFillImageList = new System.Windows.Forms.Button();
        this.cmdPaintImages = new System.Windows.Forms.Button();
        this.iconImages = new System.Windows.Forms.ImageList(new System.ruponentModel.Container());
        this.SuspendLayout();
        // 
        // cmdFillImageList
        // 
        this.cmdFillImageList.Location = new System.Drawing.Point(29, 217);
        this.cmdFillImageList.Name = "cmdFillImageList";
        this.cmdFillImageList.Size = new System.Drawing.Size(118, 23);
        this.cmdFillImageList.TabIndex = 0;
        this.cmdFillImageList.Text = "Fill Image List";
        this.cmdFillImageList.UseVisualStyleBackColor = true;
        this.cmdFillImageList.Click += new System.EventHandler(this.cmdFillImageList_Click);
        // 
        // cmdPaintImages
        // 
        this.cmdPaintImages.Location = new System.Drawing.Point(153, 217);
        this.cmdPaintImages.Name = "cmdPaintImages";
        this.cmdPaintImages.Size = new System.Drawing.Size(112, 23);
        this.cmdPaintImages.TabIndex = 1;
        this.cmdPaintImages.Text = "Paint Images";
        this.cmdPaintImages.UseVisualStyleBackColor = true;
        this.cmdPaintImages.Click += new System.EventHandler(this.cmdPaintImages_Click);
        // 
        // iconImages
        // 
        this.iconImages.ColorDepth = System.Windows.Forms.ColorDepth.Depth8Bit;
        this.iconImages.ImageSize = new System.Drawing.Size(16, 16);
        this.iconImages.TransparentColor = System.Drawing.Color.Transparent;
        // 
        // ImageListTest
        // 
        this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
        this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
        this.ClientSize = new System.Drawing.Size(292, 266);
        this.Controls.Add(this.cmdPaintImages);
        this.Controls.Add(this.cmdFillImageList);
        this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
        this.Name = "ImageListTest";
        this.Text = "ImageListTest";
        this.ResumeLayout(false);
    }
  [STAThread]
  static void Main()
  {
    Application.EnableVisualStyles();
    Application.Run(new Form1());
  }
}

ImageList.Images

   
using System;
using System.Collections.Generic;
using System.ruponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO;
public class Form1 : Form
{
      private System.Windows.Forms.ListView browserListView;
      private System.Windows.Forms.Label currentLabel;
      private System.Windows.Forms.Label displayLabel;
      private System.Windows.Forms.ImageList fileFolder;
      
      string currentDirectory = Directory.GetCurrentDirectory();
  public Form1() {
        InitializeComponent();
        Image folderImage = Image.FromFile("winter.jpg" );
        Image fileImage = Image.FromFile("winter.jpg" );
        fileFolder.Images.Add( folderImage );
        fileFolder.Images.Add( fileImage );
        LoadFilesInDirectory( currentDirectory );
        displayLabel.Text = currentDirectory;
  }
    private void browserListView_Click( object sender, EventArgs e )
    {
      if ( browserListView.SelectedItems.Count != 0 )
      {
         if ( browserListView.Items[0].Selected )
         {
            DirectoryInfo directoryObject = new DirectoryInfo( currentDirectory );
            if ( directoryObject.Parent != null )
               LoadFilesInDirectory( directoryObject.Parent.FullName );
         }else {
            string chosen = browserListView.SelectedItems[ 0 ].Text;
            if ( Directory.Exists( currentDirectory + @"\" + chosen ) )
            {
               if ( currentDirectory == @"C:\" )
                  LoadFilesInDirectory( currentDirectory + chosen );
               else
                  LoadFilesInDirectory(currentDirectory + @"\" + chosen );
            }
         }
         displayLabel.Text = currentDirectory;
      } 
   } 
   public void LoadFilesInDirectory( string currentDirectoryValue )
   {
      try
      {
         browserListView.Items.Clear();
         browserListView.Items.Add( "Go Up One Level" );
         currentDirectory = currentDirectoryValue;
         DirectoryInfo newCurrentDirectory = new DirectoryInfo( currentDirectory );
         DirectoryInfo[] directoryArray = newCurrentDirectory.GetDirectories();
         FileInfo[] fileArray = newCurrentDirectory.GetFiles();
         foreach ( DirectoryInfo dir in directoryArray )
         {
            ListViewItem newDirectoryItem = browserListView.Items.Add( dir.Name );
            newDirectoryItem.ImageIndex = 0;
         }
         foreach ( FileInfo file in fileArray )
         {
            ListViewItem newFileItem = browserListView.Items.Add( file.Name );
            newFileItem.ImageIndex = 1;
         }
      } catch ( UnauthorizedAccessException ) {
         Console.WriteLine( "Unauthorized Access Exception");
      }
   }
      private void InitializeComponent()
      {
         this.browserListView = new System.Windows.Forms.ListView();
         this.fileFolder = new System.Windows.Forms.ImageList(new System.ruponentModel.Container());
         this.currentLabel = new System.Windows.Forms.Label();
         this.displayLabel = new System.Windows.Forms.Label();
         this.SuspendLayout();
         // 
         // browserListView
         // 
         this.browserListView.Location = new System.Drawing.Point(12, 60);
         this.browserListView.Name = "browserListView";
         this.browserListView.Size = new System.Drawing.Size(456, 197);
         this.browserListView.SmallImageList = this.fileFolder;
         this.browserListView.TabIndex = 0;
         this.browserListView.View = System.Windows.Forms.View.List;
         this.browserListView.Click += new System.EventHandler(this.browserListView_Click);
         // 
         // fileFolder
         // 
         this.fileFolder.ColorDepth = System.Windows.Forms.ColorDepth.Depth8Bit;
         this.fileFolder.ImageSize = new System.Drawing.Size(16, 16);
         this.fileFolder.TransparentColor = System.Drawing.Color.Transparent;
         // 
         // currentLabel
         // 
         this.currentLabel.AutoSize = true;
         this.currentLabel.Font = new System.Drawing.Font("Microsoft Sans Serif", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
         this.currentLabel.Location = new System.Drawing.Point(10, 19);
         this.currentLabel.Name = "currentLabel";
         this.currentLabel.Size = new System.Drawing.Size(122, 20);
         this.currentLabel.TabIndex = 1;
         this.currentLabel.Text = "Now in Directory:";
         // 
         // displayLabel
         // 
         this.displayLabel.AutoSize = true;
         this.displayLabel.Location = new System.Drawing.Point(138, 19);
         this.displayLabel.Name = "displayLabel";
         this.displayLabel.Size = new System.Drawing.Size(0, 0);
         this.displayLabel.TabIndex = 2;
         // 
         // ListViewTestForm
         // 
         this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
         this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
         this.ClientSize = new System.Drawing.Size(480, 270);
         this.Controls.Add(this.displayLabel);
         this.Controls.Add(this.currentLabel);
         this.Controls.Add(this.browserListView);
         this.Name = "ListViewTestForm";
         this.Text = "ListViewTest";
         this.ResumeLayout(false);
         this.PerformLayout();
      }
  [STAThread]
  static void Main()
  {
    Application.EnableVisualStyles();
    Application.Run(new Form1());
  }
}

ImageList.Images.AddStrip

  
using System;
using System.Drawing;
using System.Windows.Forms;
   
class SimpleToolBar: Form
{
     public static void Main()
     {
          Application.Run(new SimpleToolBar());
     }
     public SimpleToolBar()
     {
          Menu = new MainMenu();
          Menu.MenuItems.Add("File");
          Menu.MenuItems.Add("Edit");
          Menu.MenuItems.Add("View");
          Menu.MenuItems.Add("Help");
   
          Bitmap bm = new Bitmap(GetType(),"SimpleToolBar.bmp");
   
          ImageList imglst = new ImageList();
          imglst.Images.AddStrip(bm);
          imglst.TransparentColor = Color.Cyan;
   
          ToolBar tbar = new ToolBar();
          tbar.Parent = this;
          tbar.ImageList = imglst;
          tbar.ShowToolTips = true;
   
          string[] astr = {"New", "Open", "Save", "Print", "Cut", "Copy", "Paste" };
   
          for (int i = 0; i < 7; i++)
          {
               ToolBarButton tbarbtn = new ToolBarButton();
               tbarbtn.ImageIndex = i;
               tbarbtn.ToolTipText = astr[i];
   
               tbar.Buttons.Add(tbarbtn);
          }
     }
}

ImageList.ImageSize

  

using System;
using System.Collections.Generic;
using System.ruponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO;
public class Form1 : Form
{
    private System.Windows.Forms.Button cmdFillImageList;
    private System.Windows.Forms.Button cmdPaintImages;
    private System.Windows.Forms.ImageList iconImages;
  public Form1() {
        InitializeComponent();
  }
    private void cmdFillImageList_Click(object sender, EventArgs e)
    {
        iconImages.ColorDepth = System.Windows.Forms.ColorDepth.Depth8Bit;
        iconImages.ImageSize = new System.Drawing.Size(16, 16);
        string[] iconFiles = Directory.GetFiles(Application.StartupPath, "*.ico");
        foreach (string iconFile in iconFiles)
        {
            Icon newIcon = new Icon(iconFile);
            iconImages.Images.Add(newIcon);
        }
    }
    private void cmdPaintImages_Click(object sender, EventArgs e)
    {
        Graphics g = this.CreateGraphics();
        for (int i = 0; i < iconImages.Images.Count; i++)
        {
            iconImages.Draw(g, 30 + i * 30, 30, i);
        }
        g.Dispose();
    }
    private void InitializeComponent()
    {
        this.cmdFillImageList = new System.Windows.Forms.Button();
        this.cmdPaintImages = new System.Windows.Forms.Button();
        this.iconImages = new System.Windows.Forms.ImageList(new System.ruponentModel.Container());
        this.SuspendLayout();
        // 
        // cmdFillImageList
        // 
        this.cmdFillImageList.Location = new System.Drawing.Point(29, 217);
        this.cmdFillImageList.Name = "cmdFillImageList";
        this.cmdFillImageList.Size = new System.Drawing.Size(118, 23);
        this.cmdFillImageList.TabIndex = 0;
        this.cmdFillImageList.Text = "Fill Image List";
        this.cmdFillImageList.UseVisualStyleBackColor = true;
        this.cmdFillImageList.Click += new System.EventHandler(this.cmdFillImageList_Click);
        // 
        // cmdPaintImages
        // 
        this.cmdPaintImages.Location = new System.Drawing.Point(153, 217);
        this.cmdPaintImages.Name = "cmdPaintImages";
        this.cmdPaintImages.Size = new System.Drawing.Size(112, 23);
        this.cmdPaintImages.TabIndex = 1;
        this.cmdPaintImages.Text = "Paint Images";
        this.cmdPaintImages.UseVisualStyleBackColor = true;
        this.cmdPaintImages.Click += new System.EventHandler(this.cmdPaintImages_Click);
        // 
        // iconImages
        // 
        this.iconImages.ColorDepth = System.Windows.Forms.ColorDepth.Depth8Bit;
        this.iconImages.ImageSize = new System.Drawing.Size(16, 16);
        this.iconImages.TransparentColor = System.Drawing.Color.Transparent;
        // 
        // ImageListTest
        // 
        this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
        this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
        this.ClientSize = new System.Drawing.Size(292, 266);
        this.Controls.Add(this.cmdPaintImages);
        this.Controls.Add(this.cmdFillImageList);
        this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
        this.Name = "ImageListTest";
        this.Text = "ImageListTest";
        this.ResumeLayout(false);
    }
  [STAThread]
  static void Main()
  {
    Application.EnableVisualStyles();
    Application.Run(new Form1());
  }
}

ImageList.TransparentColor

  
using System;
using System.Drawing;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
public class ImageListCreateAndAddToToolBar : System.Windows.Forms.Form
{
  private ImageList toolBarIcons;
  private ToolBarButton tbExitButton;
  private ToolBarButton tbSaveButton;
  private ToolBar toolBar;
  private System.ruponentModel.Container components = null;
  public ImageListCreateAndAddToToolBar()
  {
    this.ruponents = new System.ruponentModel.Container();
    this.Size = new System.Drawing.Size(300,300);
    toolBar = new ToolBar();
    toolBarIcons = new ImageList();
    tbSaveButton = new ToolBarButton();
    tbExitButton = new ToolBarButton();
    tbSaveButton.ImageIndex = 0;
    tbExitButton.ImageIndex = 1;
    toolBar.ImageList = toolBarIcons;
    toolBar.Size = new System.Drawing.Size(272, 28);
    toolBar.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
    toolBar.ShowToolTips = true;
    toolBar.Buttons.AddRange(new ToolBarButton[] {tbSaveButton, tbExitButton});
    toolBar.ButtonClick += new ToolBarButtonClickEventHandler(ToolBar_Clicked);
    
    toolBarIcons.ImageSize = new System.Drawing.Size(32, 32);
    toolBarIcons.Images.Add(new Icon("filesave.ico"));
    toolBarIcons.Images.Add(new Icon("fileexit.ico"));
    toolBarIcons.ColorDepth = ColorDepth.Depth16Bit;
    toolBarIcons.TransparentColor = System.Drawing.Color.Transparent;
    this.Controls.Add(toolBar);    
  }
  [STAThread]
  static void Main() 
  {
    Application.Run(new ImageListCreateAndAddToToolBar());
  }
  
  private void ToolBar_Clicked(object sender, ToolBarButtonClickEventArgs e) 
  {
    MessageBox.Show(e.Button.ToolTipText);
  }
}