VPT Lab-Manual For Students

HARYANA INSTITUTE OF TECHNOLOGY VISUAL PROGRAMMING LAB (CSE-312-F)
Haryana Institute of Technology

(Approved by AICTE & Affiliated to MDU Rohtak)
COMPUTER SCIENCE & ENGINEERING

DEPARTMENT
LAB REPORT
(VISUAL PROGRAMMING LAB)
NAME OF STUDENT _________________________________
ROLL No. _________________________________
SEMESTER _________________________________
SESSION _________________________________
STUDENT SIGNATURE_____________ FACULTY SIGNATURE ________________
1
This Guide is designed for helping the students to perform better in various practical
Courses. It describes the structure of a good laboratory report, outlines the different
sections of the report and explains the need for each of them. It also introduces some
standard conventions and rules for writing reports of professional quality. The quality
of your written report will strongly affect your grade for the course.
EVALUATION OF PRACTICAL WORK

 Each student will be required to perform the experiment individually.
 Student will be required to write theory, algorithm, program, outputs etc. during
practical session itself.
 Each experiment will be marked by the teacher on the basis of experiment
performed and write up on the same day. These marks will account for 40% of the
sessional marks.
 Sessional marks will also include VIVA and Attendance marks as per rules.
GOOD LABORATORY PRACTICES

 You must develop good laboratory habits by keeping complete laboratory
notebooks.
 Keep all your notes about the lab procedures and data in this notebook in pen.
 It is always better to read experiment in advance.
 The expectation is that you will work individually on separate computers. Each of
you will write a separate report.
 Please bring your lab manual to the lab on every turn.
2
THINGS TO DO AND DON’T DO IN THE LAB
DO’S
 Remember this is a practice lab & Keep silence.
 Sit down in proper manner.
 Lab instructor can help you to access software and printer.
 If you require more in depth help you can ask concern lecturer
 Proper shut down the computer system before leaving the lab.
 Exit lab quickly, if short circuit or any emergency occurs.
 You must entry when you enter and leave the lab.
DON’T
 Write any thing on the furniture.
 Delete or change other student’s file.
 Uninstall the any Software.
 Inter change any Hardware.
 Create, Change or remove any password.
 Exhibit disruptive behavior.
 Chatting and other banned sites.
 Play computer games.
 Eat and drink in Lab
3
EVALUATION REPORT
Sr. Name of Experiment Date of Experiment Teacher’s

No. Performance Marks Signature
1 Introduction to .Net Framework
2 Design an application that uses the user

defined Dynamic Link Library in VB.NET
3 Design an application that uses the concept of

Graphics in VB.NET
4 Design an Analog Clock using Graphics

features in VB.NET
5 How to you make your own ActiveX control
6 Design an application to Retrive data from

Database using SqlDataAdapter and DataSet
(Sql Server).
7 Design an application that uses the concept of

Dialog Control using VB.Net.
8 Design an application to perform

insertion ,Deletion and Updation in
Database(Sql Server).
9 Design a simple Calculator in VB.Net.
4
Experiment No.:- 1 Date: - __/__/____
Aim Introduction to .Net Framework
SOFTWARE:Visual Basic 6.0.NET
CODING/PROCEDURE:
The Microsoft .NET Framework is a software framework that can be installed on

computers running Microsoft Windows operating systems. It includes a large library
of coded solutions to common programming problems and a common language
infrastructure that manages the execution of programs written specifically for the
framework. The .NET Framework supports multiple programming languages in a
manner that allows language interoperability, whereby each language can utilize code
written in other languages; in particular, the .NET library is available to all the
programming languages that .NET encompasses.
The framework's Base Class Library provides a large range of features including user
interface, data access, database connectivity, cryptography, web application
development, numeric algorithms, and network communications. The class library is
used by programmers, who combine it with their own code to produce applications.
Programs written for the .NET Framework execute in a software environment that
manages the program's runtime requirements. Also part of the .NET Framework, this
runtime environment is known as the Common Language Runtime (CLR). The CLR
provides the appearance of an application virtual machine so that programmers need
not consider the capabilities of the specific CPU that will execute the program. The
CLR also provides other important services such as security, memory management,
and exception handling. The class library and the CLR together constitute the .NET
Framework.
The .NET Framework is a Microsoft offering and is intended to be used by most new
applications created for the Windows platform. In order to be able to develop and not
just run applications for the Microsoft .NET Framework 4.0, it is required to have
Microsoft's SDK for Windows 7 or .NET Framework 4 (or newer) or Visual Studio
2010 installed on your computer.
5
Principal design features:
Interoperability
Because computer systems commonly require interaction between new and
older applications, the .NET Framework provides means to access functionality
that is implemented in programs that execute outside the .NET environment.
Access to COM components is provided in the System.Runtime.InteropServices
and System.EnterpriseServices namespaces of the framework; access to other
functionality is provided using the P/Invoke feature.
Common Runtime Engine
The Common Language Runtime (CLR) is the execution engine of the .NET
Framework. All .NET programs execute under the supervision of the CLR,
guaranteeing certain properties and behaviors in the areas of memory
management, security, and exception handling.
Language Independence
The .NET Framework introduces a Common Type System, or CTS. The CTS
specification defines all possible datatypes and programming constructs
supported by the CLR and how they may or may not interact with each other
conforming to the Common Language Infrastructure (CLI) specification.
Because of this feature, the .NET Framework supports the exchange of types
and object instances between libraries and applications written using any
conforming .NET language.
Base Class Library
The Base Class Library (BCL), part of the Framework Class Library (FCL), is a
library of functionality available to all languages using the .NET Framework.
The BCL provides classes which encapsulate a number of common functions,
including file reading and writing, graphic rendering, database interaction,
XML document manipulation and so on.
Simplified Deployment
The .NET Framework includes design features and tools that help manage the
installation of computer software to ensure that it does not interfere with
previously installed software, and that it conforms to security requirements.
Security
The design is meant to address some of the vulnerabilities, such as buffer
overflows, that have been exploited by malicious software. Additionally, .NET
provides a common security model for all applications.
6
Portability
The design of the .NET Framework allows it to theoretically be platform

agnostic, and thus cross-platform compatible. That is, a program written to use
the framework should run without change on any type of system for which the
framework is implemented. While Microsoft has never implemented the full
framework on any system except Microsoft Windows, the framework is
engineered to be platform agnostic and cross-platform implementations are
available for other operating systems.
Versions
Version Version Release Visual Studio Default in

Number Date Windows
1.0 1.0.3705.0 2002-02-13 Visual
Studio .NET
1.1 1.1.4322.573 2003-04-24 Visual Windows Server
Studio .NET 2003
2003
2.0 2.0.50727.42 2005-11-07 Visual Studio Windows Server
2005 2003 R2
3.0 3.0.4506.30 2006-11-06 Windows Vista,
Windows Server
2008
3.5 3.5.21022.8 2007-11-19 Visual Studio Windows 7,
2008 Windows Server
2008 R2
4.0 4.0.30319.1 2010-04-12 Visual Studio
2010
7
Viva Questions:
1.What is Base Class Library ?

2. What is Microsoft .NET Framework ?
3. What is CLR and CLI?
8
Faculty Signature……………. Date of Submission…………….
9
Aim Design an application that uses the user defined Dynamic Link
Library in VB.NET
SOFTWARE USED: Visual Basic 6.0.NET
CODING/PROCEDURE:
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 ClassLibrary1;
namespace WindowsFormsApplication1
{
public partial class Form1 : Form
{
int a, b, c;
Class1 o = new Class1();
public Form1()
{
InitializeComponent();
}
// Addition
private void button1_Click(object sender, EventArgs e)
{
a = Int32.Parse(textBox1.Text);
b = Int32.Parse(textBox2.Text);
c = o.add(a,b);
MessageBox.Show("Addition is "+c.ToString());
}
// Subtraction
{
10
c = o.sub(a,b);
MessageBox.Show("Subtraction is " + c.ToString());
}
// Swaping

{
o.swap(ref a,ref b);
textBox5.Text = a.ToString();
textBox6.Text = b.ToString();
}
// Factorial
{
c=o.fact(b);
MessageBox.Show("Factorial is " + c.ToString());
}
}
}
// Class Library
using System;
using System.Linq;
using System.Text;
namespace ClassLibrary1
{
public class Class1
{
public int add(int a, int b)
{
return (a + b);
}
public int sub(int a, int b)
{
return (a - b);
}
public void swap(ref int a, ref int b)
{
11
int c;
c = a;
a = b;
b = c;
}
public int fact(int b)
{
int a = 1;
for (int i = b; i > 0; i--)
{
a = a * i;
}
return a;
}
}
}
12
Result :-
13
Viva Questions:
1. What is Class Library?
2. What is Object Sender, Event Arguments?
14
Aim Design an application that uses the concept of Graphics in VB.NET.
SOFTWARE: Visual Basic 6.0.NET
CODING/PROCEDURE:
using System;
using System.Data;
using System.Linq;
using System.Text;
namespace GraphicsApp
{
{
Graphics g;
int count;
Random rand = new Random();
int rr, gg, bb;
public Form1()
{
}
private void Form1_MouseClick(object sender, MouseEventArgs e)
{
rr = rand.Next(255);
gg = rand.Next(255);
bb = rand.Next(255);
Pen p = new Pen(Color.FromArgb(rr,gg,bb));
if (count < 20)
{
g.DrawEllipse(p, e.X - 40, e.Y - 40, 100, 100);
count++;
}
else
{
MessageBox.Show("No more Circles");
15
}
}
private void Form1_Load(object sender, EventArgs e)
{
g = CreateGraphics();
}
}
}
16
Result :-
Viva Questions:
1. What is using System.ComponentModel?
2. What is using System. Collections.Generic?
17
Aim Design an Analog Clock using Graphics features in VB.NET
CODING/PROCEDURE:
using System;
using System.Data;
using System.Text;
namespace Analog_Clock
{
{
Graphics g;
float x1, y1,x2,y2,x3,y3,inc1,inc2,inc3,sx,sy,th4;
float th1 = -90 + DateTime.Now.Second*6;
float th2 = -90 + DateTime.Now.Minute * 6 + DateTime.Now.Second * 1.0f / 10;
float th3 = -90 + DateTime.Now.Hour * 30 + DateTime.Now.Minute * 1.0f / 2 +
DateTime.Now.Second * 1.0f / 120;
public Form1()
{
}

{
g = CreateGraphics();
timer1.Interval = 1000;
timer1.Start();
}
private void Form1_Paint(object sender, PaintEventArgs e)

{
int i=1;
//g.DrawEllipse(Pens.Black, 250, 100, 500, 500);
18
g.DrawEllipse(Pens.Black, 230, 80, 540, 540);

Font f = new Font("Arial",10,FontStyle.Bold);
for (th4 = -60; th4 <= 270; th4 += 30)
{
inc1 = (float)(3.14 / 180) * th4;
sx = (float)(500 + 200 * Math.Cos(inc1))-0.4f;
sy = (float)(350 + 200 * Math.Sin(inc1))+.4f;
g.DrawString(i.ToString(), f, Brushes.Black, sx, sy);
i++;
}
}
private void timer1_Tick(object sender, EventArgs e)

{
Refresh();
th1 += 6;
th2 += 1.0f / 10;
th3 += 1.0f / 120;
inc1 = (float)(3.14 / 180) * th1;
inc2 = (float)(3.14 / 180) * th2;
inc3 = (float)(3.14 / 180) * th3;
x1 = (float)(500 + 200 * Math.Cos(inc1));
y1 = (float)(350 + 200 * Math.Sin(inc1));
g.DrawLine(Pens.Black, 500, 350, x1, y1);
}
}
}
19
Result :-
Viva Questions:
1. What is Call by value & Call by Reference?
2. What is PaintEventArguments?
20
Aim How to you make your own ActiveX control
SOFTWARE: Visual Basic 6.0.NET and Visual C++ 6.0.NET.
CODING/PROCEDURE:
Steps 1: Choose from the menu (in VB.Net) File->New Project.
Steps 2: Select ActiveX Control and press OK.
Steps 3: A new form without a title bar has been opened.
Steps 4: Choose from the menu Project->Project1 Properties.
Steps 5: Change the 'Project Name' to myFirstOCX.
Steps 6: Right click on the form, and choose properties from the menu.
Steps 7: The form's name property by default is UserControl1.Change it to

MyControl.
Steps 8: Add 1 Command Button to your form (named Command1).
21
Coding:
Dim TextVariable As String
Event Click()
Event KeyPress(KeyAscii As Integer)
Private Sub Command1_Click()

MsgBox (TextVariable)
RaiseEvent Click
End Sub
Private Sub Command1_KeyPress(KeyAscii As Integer)

RaiseEvent KeyPress(KeyAscii)
End Sub
Private Sub UserControl_Resize()

Command1.Width = UserControl.Width
Command1.Height = UserControl.Height
End Sub
Public Property Get Text() As String

Text = TextVariable
End Property
Public Property Let Text(ByVal New_Text As String)

TextVariable = New_Text
PropertyChanged "Text"
End Property
Private Sub UserControl_ReadProperties(PropBag As PropertyBag)

TextVariable = PropBag.ReadProperty("Text", "There is no message")
End Sub
Private Sub UserControl_WriteProperties(PropBag As PropertyBag)

Call PropBag.WriteProperty("Text", TextVariable, "There is no message)
End Sub
Steps 9: Now lets see how the control is working by now.Save the project (File->Save
Project).
22
Steps 10: Compile the project to OCX Control.From the menu, choose File->Make
MyFirstOCX.ocx and press OK.
Steps 11: Start a new project and enter your control to the project .From the menu
choose Project->Components.
Steps 12: Now you see the new control at the ToolBox.
23
Result :-
Viva Questions:
1. What is ActiveX control?
2. What is KeyAscii?
24
Aim Design an application to Retrive data from Database using

SqlDataAdapter and DataSet.
CODING/PROCEDURE:
using System;
using System.Data;
using System.Linq;
using System.Text;
using System.Data.SqlClient;
{
{
public Form1()
{
}

{
try
{
sqlConnection1.Open();
sqlCommand1.Connection = sqlConnection1;
sqlCommand1.CommandText = "insert into student values('" + textBox1.Text + "','" +
textBox2.Text + "','" + comboBox1.Text + "','" + textBox3.Text + "','" + textBox4.Text + "')";
sqlCommand1.ExecuteNonQuery();
MessageBox.Show("Data Inserted");
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
25
}
sqlConnection1.Close();
}

{
Form2 f = new Form2();
f.Show();
}
}
}
// Table Data
using System;
using System.Data;
using System.Linq;
using System.Text;
{
{
int i;
SqlDataAdapter da;
DataSet ds = new DataSet();
public Form2()
{
}

{
}

{
try
{
da = new SqlDataAdapter("select * from student", sqlConnection1);
da.Fill(ds);
if (ds.Tables[0].Rows.Count != 0)
{
26
label6.Text = ds.Tables[0].Rows[i].ItemArray[0].ToString();
}
i++;
}
{
}
}
}
}
27
Result :-
Viva Questions:
1. What is Database and SQl Server?
2. What is Dataset?
28
Experiment No.:-7 Date: - __/__/____
Aim Design an application that uses the concept of Dialog Control using
VB.Net
CODING/PROCEDURE:
using System;
using System.Data;
using System.Linq;
using System.Text;
{
{
public Form1()
{
}

{
if (openFileDialog1.ShowDialog() != DialogResult.Cancel)
MessageBox.Show(openFileDialog1.FileName);
listBox1.Items.Add(openFileDialog1.FileName);
private void listBox1_SelectedIndexChanged(object sender, EventArgs e)

{
pictureBox1.Image = Image.FromFile(listBox1.SelectedItem.ToString());
}

{
if (listBox1.Items.Count > 0)
29
{
timer1.Start();
}
else
{
MessageBox.Show("Please Select Address");
}
}
int i = 0;
private void timer1_Tick(object sender, EventArgs e)
{
if (i < listBox1.Items.Count)
{
pictureBox1.Image = Image.FromFile(listBox1.Items[i].ToString());
i++;
}
else
{
i = 0;
}
}

{
timer1.Stop();
}
}
}
30
Result :-
Viva Questions:
1. What is Dialog Control?
2. What is Namespace ?
31
32
Experiment No.:-8 Date: - __/__/____
Aim Design an application to perform insertion ,Deletion and Updation

in Database.
CODING/PROCEDURE:
using System;
using System.Data;
using System.Linq;
using System.Text;
{
{
public Form1()
{
}
// Insertion
{
try
{
sqlCommand1.CommandText = "insert into student values('" + textBox1.Text + "','" +
textBox2.Text+ "','" + comboBox1.Text + "','" + textBox3.Text + "','" + textBox4.Text + "')";
MessageBox.Show("Data Inserted");
}
{
}
33
}
// Updation
{
try
{
sqlCommand1.CommandText = "update student set Address='"+textBox4.Text+"' where
(Roll='"+textBox1.Text+"')";
MessageBox.Show("Data Updated");
}
{
}
}
// Deletion
{
try
{
sqlCommand1.CommandText = "delete from student where (Roll='"+textBox1.Text+"')";
MessageBox.Show("Data Deleted");
}
{
}
}
}
}
34
Result :-
Viva Questions:
1. What is Sql Server& SqlDataAdapter ?
2. What is Data Grid ?
35
Experiment No.:9 Date: - __/__/____
Aim Design a simple Calculator in VB.Net.
CODING/PROCEDURE:
using System;
using System.Data;
using System.Linq;
using System.Text;
namespace Calculator
{
{
int status = 0,st=0;
double res, num1;
String opstate;
public Form1()
{
}

{
if (status == 0 && textBox1.Text.Length<12)
{
textBox1.Text = "7";
status = 1;
}
else if (status == 1 && textBox1.Text.Length < 12)
{
textBox1.Text = textBox1.Text + "7";
}
}
36

{
if (status == 0 && textBox1.Text.Length < 12)
{
status = 1;
}
{
}
}

{
{
status = 1;
}
{
}
}

{
{
status = 1;
}
{
}
}

{
{
status = 1;
}
{
37

}
}

{
{
status = 1;
}
{
}
}

{
{
status = 1;
}
{
}
}

{
{
status = 1;
}
{
}
}

{
{
38
status = 1;
}
{
}
}

{
{
}
{
}
}

{
st = status = 0;
res = num1 = 0.0;
opstate = "";
}

{
if (st == 0 && status == 1)
{
num1 = Int32.Parse(textBox1.Text);
status = 0;
st++;
}
else if (st == 1 && status == 1)
{
switch (opstate)
{
case "plus":
{
res = num1 + Int32.Parse(textBox1.Text);
textBox1.Text = res.ToString();
break;
}
case "minus":
{
39
res = num1 - Int32.Parse(textBox1.Text);

break;
}
case "mul":
{
res = num1 * Int32.Parse(textBox1.Text);
break;
}
case "div":
{
res = num1 / Int32.Parse(textBox1.Text);
break;
}
default:
{
break;
}
}
status = 0;
st++;
}
else if (st > 1 && status == 1)
{
switch (opstate)
{
case "plus":
{
res = res + Int32.Parse(textBox1.Text);
break;
}
case "minus":
{
res = res - Int32.Parse(textBox1.Text);
break;
}
case "mul":
{
res = res * Int32.Parse(textBox1.Text);
break;
}
case "div":
{
40
res = res / Int32.Parse(textBox1.Text);

break;
}
default:
{
break;
}
}
status = 0;
}
else
{
}
opstate = "plus";
}

{
if (status == 1)
{
switch (opstate)
{
case "plus":
{
if (st == 1)
{
}
else if (st > 1)
{
}
break;
}
case "minus":
{
if (st == 1)
{
}
else if (st > 1)
{
41
}
break;
}
case "mul":
{
if (st == 1)
{
}
else if (st > 1)
{
}
break;
}
case "div":
{
if (st == 1)
{
}
else if (st > 0)
{
}
break;
}
default:
{
break;
}
}
}
opstate = "";
}

{
if (st == 0 && status == 1)
{
status = 0;
st++;
42
}
{
switch (opstate)
{
case "plus":
{
break;
}
case "minus":
{
break;
}
case "mul":
{
break;
}
case "div":
{
break;
}
default:
{
break;
}
}
status = 0;
st++;
}
else if (st >= 1 && status == 1)
{
switch (opstate)
{
case "plus":
{
break;
}
case "minus":
43
{
break;
}
case "mul":
{
break;
}
case "div":
{
break;
}
default:
{
break;
}
}
status = 0;
}
else
{
}
opstate="minus";
}

{
if (st == 0 && status == 1)
{
status = 0;
st++;
}
{
switch (opstate)
{
case "plus":
{
break;
44
}
case "minus":
{
break;
}
case "mul":
{
break;
}
case "div":
{
break;
}
default:
{
break;
}
}
status = 0;
st++;
}
{
switch (opstate)
{
case "plus":
{
break;
}
case "minus":
{
break;
}
case "mul":
{
break;
45
}
case "div":
{
break;
}
default:
{
break;
}
}
status = 0;
}
else
{
}
opstate = "mul";
}

{
if (st == 0 && status == 1)
{
status = 0;
st++;
}
{
switch (opstate)
{
case "plus":
{
break;
}
case "minus":
{
break;
}
case "mul":
{
46
break;
}
case "div":
{
break;
}
default:
{
break;
}
}
status = 0;
st++;
}
{
switch (opstate)
{
case "plus":
{
break;
}
case "minus":
{
break;
}
case "mul":
{
break;
}
case "div":
{
break;
}
default:
{
break;
47
}
}
status = 0;
}
else
{
}
opstate = "div";
}
private void groupBox1_Enter(object sender, EventArgs e)

{

{
int t = Int32.Parse(textBox1.Text);
t = t / 10;
textBox1.Text = t.ToString();
}

{
res = Math.Sqrt(Int32.Parse(textBox1.Text));
status = 0;
st = 1;
}
private void textBox1_TextChanged(object sender, EventArgs e)

{

{
textBox1.Focus();
}
private void Form1_KeyPress(object sender, KeyPressEventArgs e)

{
private void textBox1_KeyPress(object sender, KeyPressEventArgs e)

{
48
}
}
}
49
Result :-
Viva Questions:
1. What is Conditional Statements?
2. What is System.Windows.Forms ?
50
51

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HARYANA INSTITUTE OF TECHNOLOGY VISUAL PROGRAMMING LAB (CSE-312-F)

Haryana Institute of Technology

COMPUTER SCIENCE & ENGINEERING

NAME OF STUDENT _________________________________

ROLL No. _________________________________

STUDENT SIGNATURE_____________ FACULTY SIGNATURE ________________

EVALUATION OF PRACTICAL WORK

GOOD LABORATORY PRACTICES

THINGS TO DO AND DON’T DO IN THE LAB

Sr. Name of Experiment Date of Experiment Teacher’s

2 Design an application that uses the user

3 Design an application that uses the concept of

4 Design an Analog Clock using Graphics

6 Design an application to Retrive data from

7 Design an application that uses the concept of

8 Design an application to perform

9 Design a simple Calculator in VB.Net.

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Aim Introduction to .Net Framework

SOFTWARE:Visual Basic 6.0.NET

The Microsoft .NET Framework is a software framework that can be installed on

Principal design features:

The design of the .NET Framework allows it to theoretically be platform

Version Version Release Visual Studio Default in

1.What is Base Class Library ?

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SOFTWARE USED: Visual Basic 6.0.NET

private void button3_Click(object sender, EventArgs e)

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Aim Design an application that uses the concept of Graphics in VB.NET.

SOFTWARE: Visual Basic 6.0.NET

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Aim Design an Analog Clock using Graphics features in VB.NET

SOFTWARE: Visual Basic 6.0.NET

private void Form1_Load(object sender, EventArgs e)

private void Form1_Paint(object sender, PaintEventArgs e)

g.DrawEllipse(Pens.Black, 230, 80, 540, 540);

private void timer1_Tick(object sender, EventArgs e)

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Aim How to you make your own ActiveX control

SOFTWARE: Visual Basic 6.0.NET and Visual C++ 6.0.NET.

Steps 1: Choose from the menu (in VB.Net) File->New Project.

Steps 2: Select ActiveX Control and press OK.

Steps 3: A new form without a title bar has been opened.

Steps 4: Choose from the menu Project->Project1 Properties.

Steps 5: Change the 'Project Name' to myFirstOCX.

Steps 7: The form's name property by default is UserControl1.Change it to

Steps 8: Add 1 Command Button to your form (named Command1).

Dim TextVariable As String

Private Sub Command1_Click()

Private Sub Command1_KeyPress(KeyAscii As Integer)

Private Sub UserControl_Resize()

Public Property Get Text() As String

Public Property Let Text(ByVal New_Text As String)

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