[DR.YASER]

كود :

If e.KeyCode = Keys.Enter Then
MsgBox("enter key pressd ")
End If

كود :

Public Class Form1
   Private Sub TextBox1_KeyPress(ByVal sender As System.Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles TextBox1.KeyPress
       If e.KeyChar = Convert.ToChar(13) Then
           MsgBox("enter key pressd ")
       End If
   End Sub
End Class

How to Detecting arrow keys in VB.Net

In order to capture keystrokes in a VB.Net Forms control, you must derive a new class that is based on the class of the control that you want, and you override the ProcessCmdKey().

كود :

Protected Overrides Function ProcessCmdKey(ByRef msg As Message, ByVal keyData As Keys) As Boolean
    'handle your keys here
End Function