[kslawy]

كود :

Private Declare Function SetWindowPos Lib "user32" (ByVal hwnd As Integer, ByVal hWndInsertAfter As Integer, ByVal x As Integer, ByVal y As Integer, ByVal cx As Integer, ByVal cy As Integer, ByVal wFlags As Integer) As Integer
    Private Declare Function FindWindow Lib "user32" Alias "FindWindowA" (ByVal lpClassName As String, ByVal lpWindowName As String) As Integer
    Const SWP_HIDEWINDOW = &H80
    Const SWP_SHOWWINDOW = &H40
    Dim taskBar As Integer


    Private Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click
        If Button1.Text = "Hide" Then
            SetWindowPos(taskBar, 0&, 0&, 0&, 0&, 0&, SWP_HIDEWINDOW)
            Button1.Text = "Show"
        Else
            SetWindowPos(taskBar, 0&, 0&, 0&, 0&, 0&, SWP_SHOWWINDOW)
            Button1.Text = "Hide"
        End If
    End Sub


    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        taskBar = FindWindow("Shell_traywnd", "")
    End Sub