Un Bon Tuto firawar.webobo.com allez Bye

Voici les codes

Le boutton 1:
:
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
Button 2:
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