Here is a tutorial on how to make a screen capture. This program also allows you to save the picture to your computer.
1. Open up a new project and add 2 buttons,Savefiledialog,and a picturebox
2. Copy and paste
3. Press Thanks
Code:
Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim bounds As Rectangle
Dim screenshot As System.Drawing.Bitmap
Dim graph As Graphics
bounds = Screen.PrimaryScreen.Bounds
screenshot = New System.Drawing.Bitmap(bounds.Width, bounds.Height, System.Drawing.Imaging.PixelFormat.Format32bppArgb)
graph = Graphics.FromImage(screenshot)
graph.CopyFromScreen(bounds.X, bounds.Y, 0, 0, bounds.Size, CopyPixelOperation.SourceCopy)
PictureBox1.Image = screenshot
End Sub
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
Dim savefiledialog1 As New SaveFileDialog
Try
savefiledialog1.Title = "Save File"
savefiledialog1.FileName = "*.bmp"
savefiledialog1.Filter = "Bitmap |*.bmp"
If savefiledialog1.ShowDialog() = DialogResult.OK Then
PictureBox1.Image.Save(savefiledialog1.FileName, System.Drawing.Imaging.ImageFormat.Bmp)
End If
Catch ex As Exception
End Try
End Sub
End Class
When your done it should look like this. The screenshot will be the full width and height of your desktop

Here is download for the program
VIrus scan