How to Get Pixel Color and Name from the Screen Using VB.Net

This tutorial is all about How to Get Pixel Color and Name from the Screen Using VB.Net. With this tutorial you can get Get Pixel Color and Name from the Screen Using VB.Net easily. So let’s get started:

First is open the Visual Basic, Select File on the menu, then click New and create a new project.

Then a New Project Dialog will appear. You can rename your project, depending on what you like to name it. After that click OK

Then design your form like this just like what I’ve shown you below.

Add a Picturebox, Textbox, and a Timer from the toolbox.
After that set the Time interval of Timer to 1 and set the Enable property of it to True in the Properties.
Double Click the Timer and add this following codes:

[vbnet]Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
Dim a As New Drawing.Bitmap(1, 1)
Dim b As System.Drawing.Graphics = System.Drawing.Graphics.FromImage(a)
b.CopyFromScreen(New Drawing.Point(MousePosition.X, MousePosition.Y), New Drawing.Point(0, 0), a.Size)
Dim c As Drawing.Color = a.GetPixel(0, 0)
PictureBox1.BackColor = c
TextBox1.Text = PictureBox1.BackColor.Name
End Sub[/vbnet]

<li>Click F5 to run the program and try to move around your mouse to see the results.<br>
Output:</li>

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Frequently Asked Questions

How does this VB.NET project work?

Built with VB.NET WinForms (.NET Framework 4.5+) and SQL Server backend. Standard structure: Form designer to code-behind event handlers to ADO.NET data access layer to SQL Server. Login form for auth. Ready to extend for BSIT capstone scope.

What Visual Studio and SQL Server versions does this VB.NET project require?

Most projects use VB.NET WinForms on .NET Framework 4.5+ with SQL Server 2012 Express or higher. To run: install Visual Studio 2019 / 2022 (Community is free) with the ‘Desktop development with .NET’ workload, install SQL Server Express + SSMS, open the .sln file, build, run.

How do I set up the database for this VB.NET project?

Open SQL Server Management Studio (SSMS) and connect to your SQL Server (e.g. localhost\SQLEXPRESS). Right-click Databases, choose Restore Database OR New Database then import the included .sql script. Update the connection string in App.config (or in code-behind Module) with your server name + credentials. Rebuild and run.

Can I use this VB.NET project for a BSIT capstone or thesis?

Yes, VB.NET is one of the most accepted languages by Philippine BSIT panels. Extend it: add role-based access (admin/staff/customer login redirect), Crystal Reports or RDLC reports, dashboards with Chart control, audit log, multi-branch support. Pair with Chapter 1-5 documentation matching your panel’s rubric.

Why am I getting ‘connection error’ or ‘cannot find SQL Server’?

Three common VB.NET issues: (1) Connection error: SQL Server isn’t running. Open SQL Server Configuration Manager and verify SQL Server (SQLEXPRESS) service is started. (2) Wrong server name in connection string. Try .\SQLEXPRESS, (local)\SQLEXPRESS, or your machine name. (3) Login failed: SQL Server is set to ‘Windows-only’ authentication. Switch to Mixed Mode in SSMS Server Properties, Security.

Where can I find more VB.NET projects with source code?

Browse the VB.NET Projects hub for the full library. For C# WinForms alternatives see C# Projects. For ASP.NET web alternatives see ASP.NET Projects. For BSIT capstone idea lists see 150 Best Capstone Project Ideas.

1 thought on “How to Get Pixel Color and Name from the Screen Using VB.Net”

Thanks for this. I have been doing this since the days of vb6 using the API call.
Spent a great deal of time trying to figure out what is going on here and in the course of this I determined the following:

b.CopyFromScreen(New Drawing.Point(MousePosition.X, MousePosition.Y), New Drawing.Point(0, 0), a.Size)
can be written
b.CopyFromScreen(MousePosition, New Drawing.Point(0, 0), a.Size)
as the function require a point type for its first parameter and that is what MousePosition is.