C# Signature:

[DllImport("setupapi.dll", CharSet = CharSet.Auto, SetLastError = true)]

static extern Boolean SetupDiClassGuidsFromName(

                                            string ClassN,
                                            ref Guid guids,
                                            UInt32 ClassNameSize,
                                            ref UInt32 ReqSize
                                          );

VB Signature:

    <DllImport("setupapi.dll", _
    EntryPoint:="SetupDiClassNameFromGuidW", _
    SetLastError:=True, _
    CharSet:=CharSet.Unicode, _
    ExactSpelling:=True, _
    PreserveSig:=True, _
    CallingConvention:=CallingConvention.Winapi)> _
    Private Shared Function SetupDiClassNameFromGuid( _
    ByRef ClassGuid As GUID, _
    ByVal ClassName As StringBuilder, _
    ByVal ClassNameSize As Integer, _
    ByRef RequiredSize As Integer) As Boolean
    End Function

User-Defined Types:

None.

Alternative Managed API:

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Notes:

None.

Tips & Tricks:

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Sample Code: