detect Alt Tab in my app

anyone know a good technique for detecting alt tab or general loss of focus in my app as I have an agent character, and when they leave the app I want to hide the agent...

TIA

Use the GetAsyncKeyState API call.... If I'm right (and I usually am :)) one of the gurus will come bursting into this thread and post an example-

Try this: Make a Form with a Timer and set it's Interval to 1.

Code:

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Private Declare Function GetAsyncKeyState Lib "user32" (ByVal vKey As Long) As Integer
Private Const VK_MENU = &H12
Private Const VK_TAB = &H9

Private Sub Timer1_Timer()

    If GetAsyncKeyState(VK_MENU) And GetAsyncKeyState(VK_TAB) Then
        Print "Alt Tab as pressed"
    End If
   
End Sub

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Looks as if i'm right once again!