Start ⇒ All Programs
         ⇒ Visual Studio 2019

1. Pick the option “Create a new project.”
   
   


2. Enter the options:
   
   
   • Language: C#,
   • Platform: Windows, and
   • Project: Desktop.
   
   


3. Configure the project by entering the following information:
   
   
   • Project name such as WindowsFormsApp1,
   • Location such as C:\C#-workspace, and
   • Checking “Place solution and project in the same directory.”
   
   


4. Visual Studio IDE (Integrated Development Environment) will be displayed as followss after clicking the button Create:
   
   

• 1 Label, whose value of the property Text is Name:,
• 1 TextBox, whose value of the property Name is textBox1, and
• 2 Buttons, whose values of the properties Name are button1 and button2, respectively, and the values of the properties Text are Submit and Exit, respectively.

 using System;
 using System.Windows.Forms;

 namespace WindowsFormsApp1 {
   public partial class Form1 : Form {
     public Form1( ) {
       InitializeComponent();
       }
     public static string sendtext = "";
     private void Button1_Click( object sender, EventArgs e ) {
       sendtext = textBox1.Text;
       Form2 frm = new Form2( );
       frm.Show( );
       this.Visible = false;
     }
     private void Button2_Click( object sender, EventArgs e ) {
       Application.Exit( );
     }
   }
 }

     Project ⇒ Add Windows Form...

• 1 Label, whose values of the properties Name and Text are lable1 and an empty string, respectively.
• 1 Button, whose values of the properties Name and Text are button1 and Home, respectively.

 using System;
 using System.Windows.Forms;

 namespace WindowsFormsApp1 {
   public partial class Form2 : Form {
     public Form2( ) {
       InitializeComponent( );
     }
     private void Form2_Load( object sender, EventArgs e ) {
       label1.Text = "Welcome to C#, " + Form1.sendtext;
     }
     private void Button1_Click( object sender, EventArgs e ) {
       this.Visible = false;
       Form1 frm = new Form1( );
       frm.Show( );
     }
   }
}

Note that the Page_Load( ) or Form2_Load( ) method may not work if it is entered manually. Instead, double click the form of the design view and use the template generated by it.

   Build ⇒ Build Solution

Unable to copy file "obj\Release\WindowsFormsApp4.exe" to "bin\Release\WindowsFormsApp4.exe". The process cannot access the file 'bin\Release\WindowsFormsApp1.exe' because it is being used by another process.WindowsFormsApp1”

   Debug ⇒ Start Without Debugging

Submit ⇒ ⇐ Home