VB6.0 GDI+ 如何画虚线？

VB6.0中通过GdipCreatePen1可以定义画笔，但画笔的线型属性找不到相关的申明函数。
是不是 GdipSetPenDashStyle？如果是的话，怎么申明？

感谢感谢！

Public Enum GpStatus
    Ok = 0
    GenericError = 1
    InvalidParameter = 2
    OutOfMemory = 3
    ObjectBusy = 4
    InsufficientBuffer = 5
    NotImplemented = 6
    Win32Error = 7
    WrongState = 8
    Aborted = 9
    FileNotFound = 10
    ValueOverflow = 11
    AccessDenied = 12
    UnknownImageFormat = 13
    FontFamilyNotFound = 14
    FontStyleNotFound = 15
    NotTrueTypeFont = 16
    UnsupportedGdiplusVersion = 17
    GdiplusNotInitialized = 18
    PropertyNotFound = 19
    PropertyNotSupported = 20
    #If GdipVersion >= 1.1 Then
        ProfileNotFound = 21
    #End If
End Enum

Public Enum DashStyle
    DashStyleSolid
    DashStyleDash
    DashStyleDot
    DashStyleDashDot
    DashStyleDashDotDot
    DashStyleCustom
End Enum

Public Declare Function GdipSetPenDashStyle Lib "gdiplus" (ByVal pen As Long, ByVal dStyle As DashStyle) As GpStatus