VB与Windows资源管理器互拷文件(2)

'剪贴版数据格式定义
Private Const CF_TEXT = 1
Private Const CF_BITMAP = 2
Private Const CF_METAFILEPICT = 3
Private Const CF_SYLK = 4
Private Const CF_DIF = 5
Private Const CF_TIFF = 6
Private Const CF_OEMTEXT = 7
Private Const CF_DIB = 8
Private Const CF_PALETTE = 9
Private Const CF_PENDATA = 10
Private Const CF_RIFF = 11
Private Const CF_WAVE = 12
Private Const CF_UNICODETEXT = 13
Private Const CF_ENHMETAFILE = 14
Private Const CF_HDROP = 15
Private Const CF_LOCALE = 16
Private Const CF_MAX = 17

' 内存操作定义
Private Const GMEM_FIXED = &H0
Private Const GMEM_MOVEABLE = &H2
Private Const GMEM_NOCOMPACT = &H10
Private Const GMEM_NODISCARD = &H20
Private Const GMEM_ZEROINIT = &H40
Private Const GMEM_MODIFY = &H80
Private Const GMEM_DISCARDABLE = &H100
Private Const GMEM_NOT_BANKED = &H1000
Private Const GMEM_SHARE = &H2000
Private Const GMEM_DDESHARE = &H2000
Private Const GMEM_NOTIFY = &H4000
Private Const GMEM_LOWER = GMEM_NOT_BANKED
Private Const GMEM_VALID_FLAGS = &H7F72
Private Const GMEM_INVALID_HANDLE = &H8000
Private Const GHND = (GMEM_MOVEABLE Or GMEM_ZEROINIT)
Private Const GPTR = (GMEM_FIXED Or GMEM_ZEROINIT)

Private Const FO_COPY = &H2

Private Type DROPFILES
   pFiles As Long
   pt As POINTAPI
   fNC As Long
   fWide As Long
End Type

Public Function clipCopyFiles(Files() As String) As Boolean
   Dim data As String
   Dim df As DROPFILES
   Dim hGlobal As Long
   Dim lpGlobal As Long
   Dim i As Long
  
   '清除剪贴版中现存的数据
   If OpenClipboard(0&) Then
        Call EmptyClipboard
     
        For i = LBound(Files) To UBound(Files)
            data = data & Files(i) & vbNullChar
        Next i
        data = data & vbNullChar