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Thread: Syntax Question (I think)

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  1. Aug 12th, 2012, 10:50 AM #1
    Poppa Mintin
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    Syntax Question (I think)

    Hi,

    Can you tell me please the meaning and purpose of " <MarshalAs(UnmanagedType.U4)> " in the following code?


    Code:
    Private Declare Function mixerOpen Lib "winmm.dll" _
        (ByRef phmx As Integer, <MarshalAs(UnmanagedType.U4)> ByVal uMxId As Integer, ByVal _
        dwCallback As Integer, ByVal dwInstance As Integer, ByVal fdwOpen As Integer) As Integer
    In particular the purpose of anything between the 'Less than' and 'Greater than' characters.

    Poppa.
    Last edited by Poppa Mintin; Aug 12th, 2012 at 11:15 AM. Reason: Spelling !
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