复制文本框内容到剪贴板-Grant专栏

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简单实用.

VBA中用API操作剪贴板

Public Const GHND = &H42
Public Const CF_TEXT = 1
Private Const CF_ANSIONLY = &H400&
Private Const CF_APPLY = &H200&
Private Const CF_BITMAP = 2
Private Const CF_DIB = 8
Private Const CF_DIF = 5
Private Const CF_DSPBITMAP = &H82
Private Const CF_DSPENHMETAFILE = &H8E
Private Const CF_DSPMETAFILEPICT = &H83
Private Const CF_DSPTEXT = &H81
Private Const CF_EFFECTS = &H100&
Private Const CF_ENABLEHOOK = &H8&
Private Const CF_ENABLETEMPLATE = &H10&
Private Const CF_ENABLETEMPLATEHANDLE = &H20&
Private Const CF_ENHMETAFILE = 14
Private Const CF_FIXEDPITCHONLY = &H4000&
Private Const CF_FORCEFONTEXIST = &H10000
Private Const CF_GDIOBJFIRST = &H300
Private Const CF_GDIOBJLAST = &H3FF
Private Const CF_HDROP = 15
Private Const CF_INITTOLOGFONTSTRUCT = &H40&
Private Const CF_LIMITSIZE = &H2000&
Private Const CF_LOCALE = 16
Private Const CF_MAX = 17
Private Const CF_METAFILEPICT = 3
Private Const CF_NOFACESEL = &H80000
Private Const CF_NOSCRIPTSEL = &H800000
Private Const CF_NOSIMULATIONS = &H1000&
Private Const CF_NOSIZESEL = &H200000
Private Const CF_NOSTYLESEL = &H100000
Private Const CF_NOVECTORFONTS = &H800&
Private Const CF_NOOEMFONTS = CF_NOVECTORFONTS
Private Const CF_NOVERTFONTS = &H1000000
Private Const CF_OEMTEXT = 7
Private Const CF_OWNERDISPLAY = &H80
Private Const CF_PALETTE = 9
Private Const CF_PENDATA = 10
Private Const CF_PRINTERFONTS = &H2
Private Const CF_PRIVATEFIRST = &H200
Private Const CF_PRIVATELAST = &H2FF
Private Const CF_RIFF = 11
Private Const CF_SCALABLEONLY = &H20000
Private Const CF_SCREENFONTS = &H1
Private Const CF_BOTH = (CF_SCREENFONTS Or CF_PRINTERFONTS)
Private Const CF_SCRIPTSONLY = CF_ANSIONLY
Private Const CF_SELECTSCRIPT. = &H400000
Private Const CF_SHOWHELP = &H4&
Private Const CF_SYLK = 4
Private Const CF_TIFF = 6
Private Const CF_TTONLY = &H40000
Private Const CF_UNICODETEXT = 13
Private Const CF_USESTYLE = &H80&
Private Const CF_WAVE = 12
Private Const CF_WYSIWYG = &H8000
Private Declare Function GlobalAlloc Lib "kernel32" (ByVal wFlags&, ByVal dwBytes As Long) As Long
Private Declare Function GlobalLock Lib "kernel32" (ByVal hMem As Long) As Long
Private Declare Function GlobalSize Lib "kernel32" (ByVal hMem As Long) As Long
Private Declare Function lstrcpy Lib "kernel32" (ByVal lpString1 As Any, ByVal lpString2 As Any) As Long
Private Declare Function lstrlen Lib "kernel32" Alias "lstrlenA" (ByVal lpString As String) As Long
Private Declare Function GlobalUnlock Lib "kernel32" (ByVal hMem As Long) As Long
Private Declare Function OpenClipboard Lib "user32" (ByVal Hwnd As Long) As Long
Private Declare Function CloseClipboard Lib "user32" () As Long
Private Declare Function GetClipboardData Lib "user32" (ByVal wFormat As Long) As Long
Private Declare Function EmptyClipboard Lib "user32" () As Long
Private Declare Function SetClipboardData Lib "user32" (ByVal wFormat As Long, ByVal hMem As Long) As Long
Public Sub ClearClipBoard()
OpenClipboard 0&
EmptyClipboard
CloseClipboard
End Sub
Function ClipBoard_SetText(strCopyString As String) As Boolean
Dim hGlobalMemory As Long
Dim lpGlobalMemory As Long
Dim hClipMemory As Long
Call ClearClipBoard
hGlobalMemory = GlobalAlloc(GHND, Round((Len(strCopyString) / 1024 + 0.5), 0) * 1024)
lpGlobalMemory = GlobalLock(hGlobalMemory)
lpGlobalMemory = lstrcpy(lpGlobalMemory, strCopyString)
If GlobalUnlock(hGlobalMemory) = 0 Then
   If OpenClipboard(0&) <> 0 Then
      hClipMemory = SetClipboardData(CF_TEXT, hGlobalMemory)
      ClipBoard_SetText = CBool(CloseClipboard)
   End If
End If
End Function
Function ClipBoard_GetText() As String
Dim hClipMemory As Long
Dim lpClipMemory As Long
Dim strCBText As String
Dim RetVal As Long
Dim lngSize As Long
If OpenClipboard(0&) <> 0 Then
      hClipMemory = GetClipboardData(CF_TEXT)
      If hClipMemory <> 0 Then
         lpClipMemory = GlobalLock(hClipMemory)
         If lpClipMemory <> 0 Then
            lngSize = GlobalSize(lpClipMemory)
            strCBText = Space$(lngSize)
            RetVal = lstrcpy(strCBText, lpClipMemory)
            RetVal = GlobalUnlock(hClipMemory)
            strCBText = Left(strCBText, InStr(1, strCBText, Chr$(0), 0) - 1)
         Else
            MsgBox "Could not lock memory to copy string from."
         End If
      End If
      Call CloseClipboard
End If
ClipBoard_GetText = strCBText
End Function
Function CopyOlePiccy(Piccy As Object)
Dim hGlobalMemory As Long, lpGlobalMemory As Long
Dim hClipMemory As Long, X As Long
hGlobalMemory = GlobalAlloc(GHND, Len(Piccy) + 1)
lpGlobalMemory = GlobalLock(hGlobalMemory)
lpGlobalMemory = lstrcpy(lpGlobalMemory, Piccy)
If GlobalUnlock(hGlobalMemory) <> 0 Then
      MsgBox "Could not unlock memory location. Copy aborted."
      GoTo OutOfHere2
End If
If OpenClipboard(0&) = 0 Then
      MsgBox "Could not open the Clipboard. Copy aborted."
      Exit Function
End If
X = EmptyClipboard()
hClipMemory = SetClipboardData(CF_TEXT, hGlobalMemory)
OutOfHere2:
If CloseClipboard() = 0 Then
      MsgBox "Could not close Clipboard."
End If
End Function