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

public class Form1 : Form {
    private Font mainTextFont = new Font("Times New Roman", 14);
    private Font subTextFont = new Font("Times New Roman", 12);
    private PageSettings storedPageSettings;

    public Form1() {
        InitializeComponent();
    }

    private void PaintDocument(Graphics g) {
        g.PageUnit = GraphicsUnit.Point;
        g.DrawString("Simple Printing Sample",
                     this.mainTextFont,
                     Brushes.Black,
                     new Rectangle(10, 20, 180, 30));
        g.DrawRectangle(Pens.Blue, new Rectangle(new Point(10, 100), new Size(100, 50)));
    }

    private void Form1_Paint(object sender, PaintEventArgs e) {
        Graphics g = e.Graphics;
        PaintDocument(g);
    }

    private void menuFilePageSetup_Click(object sender, EventArgs e) {
        try {
            PageSetupDialog psDlg = new PageSetupDialog();
            if (this.storedPageSettings == null)
                this.storedPageSettings = new PageSettings();
            psDlg.PageSettings = this.storedPageSettings;
            psDlg.ShowDialog();
        } catch (Exception ex) {
            MessageBox.Show(ex.Message);
        }
    }

    protected void PrintPageEventHandler(Object obj, PrintPageEventArgs ev) {
        Graphics g = ev.Graphics;
        PaintDocument(g);
        ev.HasMorePages = false;
    }

    private void menuFilePrint_Click(object sender, EventArgs e) {
        try {
            PrintDocument pd = new PrintDocument();
            pd.PrintPage += new PrintPageEventHandler(this.PrintPageEventHandler);

            if (this.storedPageSettings != null)
                pd.DefaultPageSettings = this.storedPageSettings;
            PrintDialog dlg = new PrintDialog();
            dlg.Document = pd;
            DialogResult result = dlg.ShowDialog();
            if (result == System.Windows.Forms.DialogResult.OK)
                pd.Print();
        } catch (Exception ex) {
            MessageBox.Show(ex.Message);
        }
    }

    private void printPreviewToolStripMenuItem_Click(object sender, EventArgs e) {
        try {
            PrintDocument pd = new PrintDocument();
            pd.PrintPage += new PrintPageEventHandler(this.PrintPageEventHandler);

            if (this.storedPageSettings != null)
                pd.DefaultPageSettings = this.storedPageSettings;
            PrintPreviewDialog dlg = new PrintPreviewDialog();
            dlg.Document = pd;
            dlg.ShowDialog();
        } catch (Exception ex) {
            MessageBox.Show(ex.Message);
        }
    }
    private void InitializeComponent() {
        this.menuStrip1 = new System.Windows.Forms.MenuStrip();
        this.menuFilePrintPreview = new System.Windows.Forms.ToolStripMenuItem();
        this.menuFilePageSetup = new System.Windows.Forms.ToolStripMenuItem();
        this.printPreviewToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
        this.menuFilePrint = new System.Windows.Forms.ToolStripMenuItem();
        this.menuStrip1.SuspendLayout();
        this.SuspendLayout();
        this.menuStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
            this.menuFilePrintPreview});
        this.menuStrip1.Location = new System.Drawing.Point(0, 0);
        this.menuStrip1.Size = new System.Drawing.Size(292, 25);
        this.menuStrip1.Text = "menuStrip1";
        this.menuFilePrintPreview.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
            this.menuFilePageSetup,
            this.printPreviewToolStripMenuItem,
            this.menuFilePrint});
        this.menuFilePrintPreview.Name = "menuFilePrintPreview";
        this.menuFilePrintPreview.Text = "File";
        this.menuFilePageSetup.Name = "menuFilePageSetup";
        this.menuFilePageSetup.Text = "Page Setup";
        this.menuFilePageSetup.Click += new System.EventHandler(this.menuFilePageSetup_Click);
        this.printPreviewToolStripMenuItem.Name = "printPreviewToolStripMenuItem";
        this.printPreviewToolStripMenuItem.Text = "Print Preview";
        this.printPreviewToolStripMenuItem.Click += new System.EventHandler(this.printPreviewToolStripMenuItem_Click);
        this.menuFilePrint.Name = "menuFilePrint";
        this.menuFilePrint.Text = "Print";
        this.menuFilePrint.Click += new System.EventHandler(this.menuFilePrint_Click);
        this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 16F);
        this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
        this.BackColor = System.Drawing.SystemColors.Window;
        this.ClientSize = new System.Drawing.Size(292, 268);
        this.Controls.Add(this.menuStrip1);
        this.MainMenuStrip = this.menuStrip1;
        this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);
        this.menuStrip1.ResumeLayout(false);
        this.ResumeLayout(false);
        this.PerformLayout();

    }
    private System.Windows.Forms.MenuStrip menuStrip1;
    private System.Windows.Forms.ToolStripMenuItem menuFilePrintPreview;
    private System.Windows.Forms.ToolStripMenuItem menuFilePageSetup;
    private System.Windows.Forms.ToolStripMenuItem printPreviewToolStripMenuItem;
    private System.Windows.Forms.ToolStripMenuItem menuFilePrint;
    [STAThread]
    static void Main() {
        Application.EnableVisualStyles();
        Application.Run(new Form1());
    }
}

    

   

  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 System.ComponentModel.Container components;

    public MainForm()
    {
      Top = 100;
      Left = 75;
      Height = 100;
      Width = 500;

      MessageBox.Show(Bounds.ToString(), "Current rect");

      this.MouseUp += new MouseEventHandler(OnMouseUp);
      this.MouseMove += new MouseEventHandler(OnMouseMove);
      this.KeyUp += new KeyEventHandler(OnKeyUp);
      InitializeComponent();
      CenterToScreen();
    }

    protected override void Dispose( bool disposing )
    {
      if( disposing )
      {
        if (components != null) 
        {
          components.Dispose();
        }
      }
      base.Dispose( disposing );
      MessageBox.Show("Disposing this Form");
    }

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

    [STAThread]
    static void Main() 
    {
      Application.Run(new MainForm());
    }
    protected void OnMouseUp(object sender, MouseEventArgs e)
    {
      if(e.Button == MouseButtons.Left)
        MessageBox.Show("Left click!");
      else if(e.Button == MouseButtons.Right)
        MessageBox.Show("Right click!");
      else if(e.Button == MouseButtons.Middle)
        MessageBox.Show("Middle click!");
    }

    protected void OnMouseMove(object sender, MouseEventArgs e)
    {
      this.Text = "Current Pos: (" + e.X + ", " + e.Y + ")";
    }

    public void OnKeyUp(object sender, KeyEventArgs e)
    {
      MessageBox.Show(e.KeyCode.ToString(), "Key Pressed!");
    }
  }



           
          

   
 


using System;
using System.Drawing;
using System.Windows.Forms;
   
class CaptureLoss: Form
{
     public static void Main()
     {
          Application.Run(new CaptureLoss());
     }
     public CaptureLoss()
     {
          Text = "Capture Loss";
   
          CaptureLossWindow win = new CaptureLossWindow();
          win.form = this;
          win.AssignHandle(Handle);
     }
     protected override void OnMouseDown(MouseEventArgs mea)
     {
          Invalidate();
     }
     public void OnLostCapture()
     {
          Invalidate();
     }
     protected override void OnPaint(PaintEventArgs pea)
     {
          Graphics grfx = pea.Graphics;
   
          if (Capture)
               grfx.FillRectangle(Brushes.Red, ClientRectangle);
          else
               grfx.FillRectangle(Brushes.Gray, ClientRectangle);
     }
}
   
class CaptureLossWindow : NativeWindow 
{
     public CaptureLoss form;
   
     protected override void WndProc(ref Message message) 
     {
          if (message.Msg == 533)                 // WM_CAPTURECHANGED
               form.OnLostCapture();
   
          base.WndProc(ref message);
     }
}

    

   
 

using System;
using System.Windows.Forms;

class MainClass {
    static void Main(string[] args) {

        OpenFileDialog dlg = new OpenFileDialog();

        if (dlg.ShowDialog() == DialogResult.OK) {
            Console.WriteLine(dlg.FileName);

        }
    }
}

    

   
 

using System;
using System.Windows.Forms;

class MainClass {
    static void Main(string[] args) {

        OpenFileDialog dlg = new OpenFileDialog();
        dlg.InitialDirectory = Application.StartupPath;

        if (dlg.ShowDialog() == DialogResult.OK) {
            Console.WriteLine(dlg.FileName);

        }
    }
}

    

   
 

using System;
using System.Windows.Forms;

class MainClass {
    static void Main(string[] args) {
        SaveFileDialog dlg = new SaveFileDialog();
        dlg.CheckFileExists = true;

        if (dlg.ShowDialog() == DialogResult.OK) {
            Console.WriteLine(dlg.FileName);
        }
    }
}

    

   
 
using System;
using System.Windows.Forms;

class MainClass {
    static void Main(string[] args) {

        OpenFileDialog dlg = new OpenFileDialog();
        dlg.Filter = "Rich Text Files (*.rtf)|*.RTF|" +
          "All files (*.*)|*.*";
        if (dlg.ShowDialog() == DialogResult.OK) {
            Console.WriteLine(dlg.FileName);

        }
    }
}