[DllImport("user32.dll")]
static extern bool GetAltTabInfo(IntPtr hwnd, int iItem, out ALTTABINFO pati,
[Out] StringBuilder pszItemText, uint cchItemText);
VB.NET Signature:
Private Shared Function GetAltTabInfo( _
ByVal hwnd As IntPtr, _
ByVal iItem As Integer, _
ByRef pati As ALTTABINFO, _
ByRef pszItemText As System.Text.StringBuilder, _
ByVal cchItemText As UInt32) As Boolean
End Function