ASP.NET & Csharp (C#)

ASP.NET & Csharp (C#) , Here you can find my posts about .NET c# .

Clipboard Viewer (All Formats)

Posted on by coder 
   
 


using System;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using System.Windows.Forms;

class ClipViewAll : Form {
    Panel panelDisplay, panelButtons;
    RadioButton radioChecked;
    string[] astrFormatsSave = new string[0];

    public static void Main() {
        Application.Run(new ClipViewAll());
    }
    public ClipViewAll() {
        panelDisplay = new Panel();
        panelDisplay.Parent = this;
        panelDisplay.Dock = DockStyle.Fill;
        panelDisplay.Paint += new PaintEventHandler(PanelOnPaint);
        panelDisplay.BorderStyle = BorderStyle.Fixed3D;

        Splitter split = new Splitter();
        split.Parent = this;
        split.Dock = DockStyle.Left;

        panelButtons = new Panel();
        panelButtons.Parent = this;
        panelButtons.Dock = DockStyle.Left;
        panelButtons.AutoScroll = true;
        panelButtons.Width = Width / 2;

        Timer timer = new Timer();
        timer.Interval = 1000;
        timer.Tick += new EventHandler(TimerOnTick);
        timer.Enabled = true;
    }
    void TimerOnTick(object obj, EventArgs ea) {
        IDataObject data = Clipboard.GetDataObject();

        string[] astrFormats = data.GetFormats();
        bool bUpdate = false;

        if (astrFormats.Length != astrFormatsSave.Length)
            bUpdate = true;
        else {
            for (int i = 0; i < astrFormats.Length; i++)
                if (astrFormats&#91;i&#93; != astrFormatsSave&#91;i&#93;) {
                    bUpdate = true;
                    break;
                }
        }

        panelDisplay.Invalidate();

        if (!bUpdate)
            return;

        astrFormatsSave = astrFormats;
        panelButtons.Controls.Clear();
        Graphics grfx = CreateGraphics();
        EventHandler eh = new EventHandler(RadioButtonOnClick);
        int cxText = AutoScaleBaseSize.Width;
        int cyText = AutoScaleBaseSize.Height;

        for (int i = 0; i < astrFormats.Length; i++) {
            RadioButton radio = new RadioButton();
            radio.Parent = panelButtons;
            radio.Text = astrFormats&#91;i&#93;;

            if (!data.GetDataPresent(astrFormats&#91;i&#93;, false))
                radio.Text += "*";

            try {
                object objClip = data.GetData(astrFormats&#91;i&#93;);
                radio.Text += " (" + objClip.GetType() + ")";
            } catch {
                radio.Text += " (Exception on GetData or GetType!)";
            }
            radio.Tag = astrFormats&#91;i&#93;;
            radio.Location = new Point(cxText, i * 3 * cyText / 2);
            radio.Size = new Size((radio.Text.Length + 20) * cxText,
                                  3 * cyText / 2);
            radio.Click += eh;
        }
        grfx.Dispose();
        radioChecked = null;
    }
    void RadioButtonOnClick(object obj, EventArgs ea) {
        radioChecked = (RadioButton)obj;
        panelDisplay.Invalidate();
    }
    void PanelOnPaint(object obj, PaintEventArgs pea) {
        Panel panel = (Panel)obj;
        Graphics grfx = pea.Graphics;
        Brush brush = new SolidBrush(panel.ForeColor);

        if (radioChecked == null)
            return;

        IDataObject data = Clipboard.GetDataObject();
        object objClip = data.GetData((string)radioChecked.Tag);

        if (objClip == null)
            return;

        else if (objClip.GetType() == typeof(string)) {
            grfx.DrawString((string)objClip, Font, brush,
                            panel.ClientRectangle);
        } else if (objClip.GetType() == typeof(string&#91;&#93;))   // FileDrop
          {
            string str = string.Join("
", (string&#91;&#93;)objClip);

            grfx.DrawString(str, Font, brush, panel.ClientRectangle);
        } else if (objClip.GetType() == typeof(Bitmap) ||
                   objClip.GetType() == typeof(Metafile) ||
                   objClip.GetType() == typeof(Image)) {
            grfx.DrawImage((Image)objClip, 0, 0);
        } else if (objClip.GetType() == typeof(MemoryStream)) {
            Stream stream = (Stream)objClip;
            byte&#91;&#93; abyBuffer = new byte&#91;16&#93;;
            long lAddress = 0;
            int iCount;
            Font font = new Font(FontFamily.GenericMonospace,
                                   Font.SizeInPoints);
            float y = 0;

            while ((iCount = stream.Read(abyBuffer, 0, 16)) > 0) {
                lAddress += 16;
            }
        }
    }
}

Rich-Text Paste

Posted on by coder 
   




using System;
using System.Drawing;
using System.IO;
using System.Windows.Forms;
   
class RichTextPaste: Form
{
     string   strPastedText = "";
     MenuItem miPastePlain, miPasteRTF, miPasteHTML, miPasteCSV;
   
     public static void Main()
     {
          Application.Run(new RichTextPaste());
     }
     public RichTextPaste()
     {
          ResizeRedraw = true;
   
          Menu = new MainMenu();
   
          MenuItem mi = new MenuItem("&amp;Edit");
          mi.Popup += new EventHandler(MenuEditOnPopup);
          Menu.MenuItems.Add(mi);
   
          miPastePlain = new MenuItem("Paste &amp;Plain Text");
          miPastePlain.Click += new EventHandler(MenuEditPastePlainOnClick);
          Menu.MenuItems[0].MenuItems.Add(miPastePlain);
   
          miPasteRTF = new MenuItem("Paste &amp;Rich Text Format");
          miPasteRTF.Click += new EventHandler(MenuEditPasteRTFOnClick);
          Menu.MenuItems[0].MenuItems.Add(miPasteRTF);
   
          miPasteHTML = new MenuItem("Paste &amp;HTML");
          miPasteHTML.Click += new EventHandler(MenuEditPasteHTMLOnClick);
          Menu.MenuItems[0].MenuItems.Add(miPasteHTML);
   
          miPasteCSV = new MenuItem("Paste &amp;Comma-Separated Values");
          miPasteCSV.Click += new EventHandler(MenuEditPasteCSVOnClick);
          Menu.MenuItems[0].MenuItems.Add(miPasteCSV);
     }
     void MenuEditOnPopup(object obj, EventArgs ea)
     {
          miPastePlain.Enabled = Clipboard.GetDataObject().GetDataPresent(typeof(string));
          miPasteRTF.Enabled = Clipboard.GetDataObject().GetDataPresent(DataFormats.Rtf);
          miPasteHTML.Enabled = Clipboard.GetDataObject().GetDataPresent(DataFormats.Html);
          miPasteCSV.Enabled = Clipboard.GetDataObject().GetDataPresent(DataFormats.CommaSeparatedValue);
     }
     void MenuEditPastePlainOnClick(object obj, EventArgs ea)
     {
          IDataObject data = Clipboard.GetDataObject();
   
          if (data.GetDataPresent(typeof(string)))
          {
               strPastedText = (string) data.GetData(typeof(string));
               Invalidate();
          }
     }
     void MenuEditPasteRTFOnClick(object obj, EventArgs ea)
     {
          IDataObject data = Clipboard.GetDataObject();
   
          if (data.GetDataPresent(DataFormats.Rtf))
          {
               strPastedText = (string) data.GetData(DataFormats.Rtf);
               Invalidate();
          }
     }
     void MenuEditPasteHTMLOnClick(object obj, EventArgs ea)
     {
          IDataObject data = Clipboard.GetDataObject();
   
          if (data.GetDataPresent(DataFormats.Html))
          {
               strPastedText = (string) data.GetData(DataFormats.Html);
               Invalidate();
          }
     }
     void MenuEditPasteCSVOnClick(object obj, EventArgs ea)
     {
          IDataObject data = Clipboard.GetDataObject();
   
          if (data.GetDataPresent(DataFormats.CommaSeparatedValue))
          {
               MemoryStream memstr = (MemoryStream) data.GetData("Csv");
               StreamReader streamreader = new StreamReader(memstr);
               strPastedText = streamreader.ReadToEnd();
               Invalidate();
          }
     }
     protected override void OnPaint(PaintEventArgs pea)
     {
          pea.Graphics.DrawString(strPastedText, Font, new SolidBrush(ForeColor),
                          ClientRectangle);
     }
}

Image Clip

Posted on by coder 
   




using System;
using System.Drawing;
using System.Drawing.Imaging;
using System.Windows.Forms;

class ImageClip : Form {
    MenuItem miCut, miCopy, miPaste, miDel;
    Image image;
    public static void Main() {
        Application.Run(new ImageClip());
    }
    public ImageClip() {
        Text = "Image Clip";

        MenuItem mi = new MenuItem("&amp;Edit");
        mi.Popup += new EventHandler(MenuEditOnPopup);
        Menu.MenuItems.Add(mi);
        int index = Menu.MenuItems.Count - 1;

        miCut = new MenuItem("Cu&amp;t");
        miCut.Click += new EventHandler(MenuEditCutOnClick);
        miCut.Shortcut = Shortcut.CtrlX;
        Menu.MenuItems[index].MenuItems.Add(miCut);

        miCopy = new MenuItem("&amp;Copy");
        miCopy.Click += new EventHandler(MenuEditCopyOnClick);
        miCopy.Shortcut = Shortcut.CtrlC;
        Menu.MenuItems[index].MenuItems.Add(miCopy);

        miPaste = new MenuItem("&amp;Paste");
        miPaste.Click += new EventHandler(MenuEditPasteOnClick);
        miPaste.Shortcut = Shortcut.CtrlV;
        Menu.MenuItems[index].MenuItems.Add(miPaste);

        miDel = new MenuItem("De&amp;lete");
        miDel.Click += new EventHandler(MenuEditDelOnClick);
        miDel.Shortcut = Shortcut.Del;
        Menu.MenuItems[index].MenuItems.Add(miDel);
    }
    void MenuEditOnPopup(object obj, EventArgs ea) {
        miCut.Enabled = miCopy.Enabled = miDel.Enabled = image != null;
        IDataObject data = Clipboard.GetDataObject();
        miPaste.Enabled = data.GetDataPresent(typeof(Bitmap)) || data.GetDataPresent(typeof(Metafile));
    }
    void MenuEditCutOnClick(object obj, EventArgs ea) {
        MenuEditCopyOnClick(obj, ea);
        MenuEditDelOnClick(obj, ea);
    }
    void MenuEditCopyOnClick(object obj, EventArgs ea) {
        Clipboard.SetDataObject(image, true);
    }
    void MenuEditPasteOnClick(object obj, EventArgs ea) {
        IDataObject data = Clipboard.GetDataObject();

        if (data.GetDataPresent(typeof(Metafile)))
            image = (Image)data.GetData(typeof(Metafile));

        else if (data.GetDataPresent(typeof(Bitmap)))
            image = (Image)data.GetData(typeof(Bitmap));

        Invalidate();
    }
    void MenuEditDelOnClick(object obj, EventArgs ea) {
        image = null;
        Invalidate();
    }
}

Clip Text

Posted on by coder 
   




using System;
using System.Drawing;
using System.Windows.Forms;
   
class ClipText: Form
{
     string   strText = "Sample text";
     MenuItem miCut, miCopy, miPaste;
   
     public static void Main()
     {
          Application.Run(new ClipText());
     }
     public ClipText()
     {
          ResizeRedraw = true;
   
          Menu = new MainMenu();
          MenuItem mi = new MenuItem("&amp;Edit");
          mi.Popup += new EventHandler(MenuEditOnPopup);
          Menu.MenuItems.Add(mi);
          miCut = new MenuItem("Cu&amp;t");
          miCut.Click += new EventHandler(MenuEditCutOnClick);
          miCut.Shortcut = Shortcut.CtrlX;
          Menu.MenuItems[0].MenuItems.Add(miCut);
   
          miCopy = new MenuItem("&amp;Copy");
          miCopy.Click += new EventHandler(MenuEditCopyOnClick);
          miCopy.Shortcut = Shortcut.CtrlC;
          Menu.MenuItems[0].MenuItems.Add(miCopy);
   
          miPaste = new MenuItem("&amp;Paste");
          miPaste.Click += new EventHandler(MenuEditPasteOnClick);
          miPaste.Shortcut = Shortcut.CtrlV;
          Menu.MenuItems[0].MenuItems.Add(miPaste);
     }
     void MenuEditOnPopup(object obj, EventArgs ea)
     {
          miCut.Enabled = miCopy.Enabled = strText.Length > 0;
          miPaste.Enabled = Clipboard.GetDataObject().GetDataPresent(typeof(string));
     }
     void MenuEditCutOnClick(object obj, EventArgs ea)
     {
          MenuEditCopyOnClick(obj, ea);
          strText = "";
          Invalidate();
     }
     void MenuEditCopyOnClick(object obj, EventArgs ea)
     {
          Clipboard.SetDataObject(strText, true);
     }
     void MenuEditPasteOnClick(object obj, EventArgs ea)
     {
          IDataObject data = Clipboard.GetDataObject();
   
          if (data.GetDataPresent(typeof(string)))
               strText = (string) data.GetData(typeof(string));
   
          Invalidate();
     }
     protected override void OnPaint(PaintEventArgs pea)
     {
          Graphics grfx = pea.Graphics;
          StringFormat strfmt = new StringFormat();
          strfmt.Alignment = strfmt.LineAlignment = StringAlignment.Center;
   
          grfx.DrawString(strText, Font, new SolidBrush(ForeColor),
                          ClientRectangle, strfmt);
     }
}

Copying from the Clipboard.

Posted on by coder 
   



using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Windows.Forms;
public class MainClass {


    public static void Main(string[] args) {

        IDataObject iData = Clipboard.GetDataObject();

        if (iData.GetDataPresent(DataFormats.Text)) {
            Console.WriteLine((String)iData.GetData(DataFormats.Text));
        }
        if (iData.GetDataPresent(DataFormats.Bitmap)) {
            Image img = (Bitmap)iData.GetData(DataFormats.Bitmap);

        }
    }
}

CheckBox Style

Posted on by coder 



   

/*
Professional Windows GUI Programming Using C#
by Jay Glynn, Csaba Torok, Richard Conway, Wahid Choudhury, 
   Zach Greenvoss, Shripad Kulkarni, Neil Whitlow

Publisher: Peer Information
ISBN: 1861007663
*/

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

namespace CheckBox
{
  /// <summary>
  /// Summary description for CheckBoxStyle.
  /// </summary>
  public class CheckBoxStyle : System.Windows.Forms.Form
  {
    private System.Windows.Forms.Label label1;
    private System.Windows.Forms.GroupBox groupBox1;
    private System.Windows.Forms.CheckBox chk_option1;
    private System.Windows.Forms.CheckBox chk_option2;
    private System.Windows.Forms.CheckBox chk_option3;
    private System.Windows.Forms.CheckBox chk_option4;
    private System.Windows.Forms.Button button1;
    /// <summary>
    /// Required designer variable.
    /// </summary>
    private System.ComponentModel.Container components = null;

    public CheckBoxStyle()
    {
      //
      // 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.chk_option1 = new System.Windows.Forms.CheckBox();
      this.label1 = new System.Windows.Forms.Label();
      this.chk_option2 = new System.Windows.Forms.CheckBox();
      this.chk_option3 = new System.Windows.Forms.CheckBox();
      this.chk_option4 = new System.Windows.Forms.CheckBox();
      this.groupBox1 = new System.Windows.Forms.GroupBox();
      this.button1 = new System.Windows.Forms.Button();
      this.groupBox1.SuspendLayout();
      this.SuspendLayout();
      // 
      // chk_option1
      // 
      this.chk_option1.CheckAlign = System.Drawing.ContentAlignment.MiddleRight;
      this.chk_option1.Location = new System.Drawing.Point(40, 24);
      this.chk_option1.Name = "chk_option1";
      this.chk_option1.Size = new System.Drawing.Size(192, 24);
      this.chk_option1.TabIndex = 0;
      this.chk_option1.Text = "Windows 2000 / Windows XP";
      this.chk_option1.ThreeState = true;
      // 
      // label1
      // 
      this.label1.Location = new System.Drawing.Point(16, 24);
      this.label1.Name = "label1";
      this.label1.Size = new System.Drawing.Size(296, 16);
      this.label1.TabIndex = 1;
      this.label1.Text = "The following products are developed by Microsoft Corp.";
      // 
      // chk_option2
      // 
      this.chk_option2.Location = new System.Drawing.Point(40, 56);
      this.chk_option2.Name = "chk_option2";
      this.chk_option2.Size = new System.Drawing.Size(192, 24);
      this.chk_option2.TabIndex = 0;
      this.chk_option2.Text = "JAVA";
      // 
      // chk_option3
      // 
      this.chk_option3.Appearance = System.Windows.Forms.Appearance.Button;
      this.chk_option3.ImageAlign = System.Drawing.ContentAlignment.MiddleRight;
      this.chk_option3.Location = new System.Drawing.Point(40, 88);
      this.chk_option3.Name = "chk_option3";
      this.chk_option3.Size = new System.Drawing.Size(192, 24);
      this.chk_option3.TabIndex = 0;
      this.chk_option3.Text = "Visual C# and .NET";
      // 
      // chk_option4
      // 
      this.chk_option4.Appearance = System.Windows.Forms.Appearance.Button;
      this.chk_option4.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
      this.chk_option4.Location = new System.Drawing.Point(40, 120);
      this.chk_option4.Name = "chk_option4";
      this.chk_option4.Size = new System.Drawing.Size(192, 24);
      this.chk_option4.TabIndex = 0;
      this.chk_option4.Text = "Oracle Database";
      // 
      // groupBox1
      // 
      this.groupBox1.Controls.AddRange(new System.Windows.Forms.Control[] {
                                          this.chk_option2,
                                          this.chk_option4,
                                          this.chk_option3,
                                          this.chk_option1});
      this.groupBox1.Location = new System.Drawing.Point(16, 56);
      this.groupBox1.Name = "groupBox1";
      this.groupBox1.Size = new System.Drawing.Size(280, 152);
      this.groupBox1.TabIndex = 2;
      this.groupBox1.TabStop = false;
      this.groupBox1.Text = "Select All Correct Options";
      // 
      // button1
      // 
      this.button1.Location = new System.Drawing.Point(16, 216);
      this.button1.Name = "button1";
      this.button1.TabIndex = 3;
      this.button1.Text = "Done ";
      this.button1.Click += new System.EventHandler(this.button1_Click);
      // 
      // CheckBoxStyle
      // 
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(328, 253);
      this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                      this.button1,
                                      this.groupBox1,
                                      this.label1});
      this.Name = "CheckBoxStyle";
      this.Text = "Check Boxes";
      this.Load += new System.EventHandler(this.CheckBoxStyle_Load);
      this.groupBox1.ResumeLayout(false);
      this.ResumeLayout(false);

    }
    #endregion

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

    private void CheckBoxStyle_Load(object sender, System.EventArgs e)
    {
      // Load the Image that we want to display on the button
      Image imga = Image.FromFile("WRENCH.ICO");
      // Assign the Image for the checkbox
      chk_option3.Image = imga;
      // Align the image on the face of the checkbox
      chk_option3.ImageAlign = ContentAlignment.MiddleRight;
      // Select the background color for the checkbox
      chk_option3.BackColor = Color.LightBlue ;

      // Load the Image that we want to display on the button
      imga = Image.FromFile("EYE.ICO");
      // Assign the Image for the checkbox
      chk_option4.Image = imga;
      // Align the image on the face of the checkbox
      chk_option4.ImageAlign = ContentAlignment.MiddleCenter;
      // Select the background color for the checkbox
      chk_option4.BackColor = Color.LightBlue ;

    }

    private void button1_Click(object sender, System.EventArgs e)
    {
      string str_opt_selected = "Options Selected are ..
" ;
  
      // Check which options are selected for every checkbox
      // using the Checked property

      if ( chk_option1.Checked ) 
        str_opt_selected = str_opt_selected + chk_option1.Text + "
";
      if ( chk_option2.Checked ) 
        str_opt_selected = str_opt_selected + chk_option2.Text + "
";
      if ( chk_option3.Checked ) 
        str_opt_selected = str_opt_selected + chk_option3.Text + "
";
      if ( chk_option4.Checked ) 
        str_opt_selected = str_opt_selected + chk_option4.Text + "
";

      MessageBox.Show(str_opt_selected , "Checked Options");

    }
  }
}

           
          


CheckBox.zip( 33 k)