using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.IO;
namespace WindowsFormsApplication1
{
public partial class binaryfile : Form
{
public binaryfile()
{
InitializeComponent();
}
BinaryWriter bw;
FileStream fs;
BinaryReader br;
private void button1_Click(object sender, EventArgs e)
{
fs = new FileStream(@"E:\demo.data", FileMode.Create);
bw = new BinaryWriter(fs);
for (int i = 0; i < 5; i++)
{
bw.Write(i);
}
bw.Close();
MessageBox.Show("Binary file created successfully");
}
private void button2_Click(object sender, EventArgs e)
{
fs = new FileStream(@"E:\demo.data", FileMode.Open);
br = new BinaryReader(fs);
int l = (int)fs.Length;
for (int i = 0; i < l / 4; i++)
{
listBox1.Items.Add(br.ReadInt32());
}
}
}
}
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.IO;
namespace WindowsFormsApplication1
{
public partial class createaspx : Form
{
public createaspx()
{
InitializeComponent();
}
StreamWriter sw;
private void create_Click(object sender, EventArgs e)
{
sw = File.CreateText(@"E:\hello.aspx");
sw.WriteLine("<html>");
sw.WriteLine("<form runat=\"server\">");
sw.WriteLine("<asp:button text=\"hello\" runat=\"server\"></asp:button>");
sw.WriteLine("</form>");
sw.WriteLine("</html>");
sw.Close();
System.Diagnostics.Process.Start(@"E:\hello.aspx");
}
}
}
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.IO;
namespace WindowsFormsApplication1
{
public partial class createaspx : Form
{
public createaspx()
{
InitializeComponent();
}
StreamWriter sw;
private void create_Click(object sender, EventArgs e)
{
sw = File.CreateText(@"E:\hello.aspx");
sw.WriteLine("<html>");
sw.WriteLine("<form runat=\"server\">");
sw.WriteLine("<asp:button text=\"hello\" runat=\"server\"></asp:button>");
sw.WriteLine("</form>");
sw.WriteLine("</html>");
sw.Close();
System.Diagnostics.Process.Start(@"E:\hello.aspx");
}
}
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace WindowsFormsApplication1
{
class inheritanc
{
private int mibalance;
public int balance
{
get
{
return mibalance;
}
set
{
mibalance = value;
}
}
}
class inher : inheritanc
{
public void deposit(int amt)
{
balance = balance + amt;
}
public void withdraw(int amt)
{
balance = balance - amt;
}
}
}
Windows form file
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace WindowsFormsApplication1
{
public partial class inheritance : Form
{
public inheritance()
{
InitializeComponent();
}
private void inheritance_Load(object sender, EventArgs e)
{
inheritanc kk=new inheritanc();
MessageBox.Show(kk.balance.ToString());
}
}
}
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Drawing.Imaging;
namespace WindowsFormsApplication1
{
public partial class imagecrop : Form
{
public imagecrop()
{
InitializeComponent();
}
private void btncrop_Click(object sender, EventArgs e)
{
Bitmap mybitmap;
Bitmap mybitmapcropped;
Graphics mygraphics;
Rectangle rec = new Rectangle(0, 0, 250, 300);
mybitmap=new Bitmap(@"E:\1.jpg");
mybitmapcropped = new Bitmap(200, 200);
mygraphics = Graphics.FromImage(mybitmapcropped);
mygraphics.DrawImage(mybitmap, new Rectangle(0, 0, mybitmapcropped.Width, mybitmapcropped.Height),rec.Left,rec.Top,rec.Width,rec.Height,GraphicsUnit.Pixel);
mybitmap.Dispose();
mybitmapcropped.Save(@"E:\2.jpg",ImageFormat.Jpeg);
}
}
}
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Drawing.Imaging;
namespace WindowsFormsApplication1
{
public partial class imagecrop : Form
{
public imagecrop()
{
InitializeComponent();
}
private void btncrop_Click(object sender, EventArgs e)
{
Bitmap mybitmap;
Bitmap mybitmapcropped;
Graphics mygraphics;
Rectangle rec = new Rectangle(0, 0, 250, 300);
mybitmap=new Bitmap(@"E:\1.jpg");
mybitmapcropped = new Bitmap(200, 200);
mygraphics = Graphics.FromImage(mybitmapcropped);
mygraphics.DrawImage(mybitmap, new Rectangle(0, 0, mybitmapcropped.Width, mybitmapcropped.Height),rec.Left,rec.Top,rec.Width,rec.Height,GraphicsUnit.Pixel);
mybitmap.Dispose();
mybitmapcropped.Save(@"E:\2.jpg",ImageFormat.Jpeg);
}
}
}
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace Examples
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
int iSec = 0;
int iMin = 0;
int iHr = 0;
private void Form1_Paint(object sender, PaintEventArgs e)
{
Graphics g = e.Graphics;
g.DrawPie(Pens.Blue,50,50,200,200,0,90);
g.DrawPie(Pens.Blue, 50, 50, 200, 200, 90, 90);
g.DrawPie(Pens.Blue, 50, 50, 200, 200, 180, 90);
g.DrawPie(Pens.Blue, 50, 50, 200, 200, 270, 90);
g.DrawPie(Pens.Green, 50, 50, 200, 200, 90, iSec);
iSec += 4;
if (iSec == 360)
{
iMin += 6;
iSec = 0;
}
g.DrawPie(Pens.Red, 50, 50, 200, 200, 90, iMin);
if (iMin == 360)
{
iHr += 6;
iMin = 0;
}
}
private void timer1_Tick(object sender, EventArgs e)
{
Invalidate();
}
}
}

