| Copy or paste files to the clipboard as Explorer does Option Explicit ' Required data structures Private Type POINTAPI x As Long y As Long End Type ' Clipboard Manager Functions Private Declare Function EmptyClipboard Lib "user32" () 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 SetClipboardData Lib "user32" (ByVal wFormat As Long, ByVal hMem As Long) As Long Private Declare Function GetClipboardData Lib "user32" (ByVal wFormat As Long) As Long Private Declare Function IsClipboardFormatAvailable Lib "user32" (ByVal wFormat As Long) As Long ' Other required Win32 APIs Private Declare Function DragQueryFile Lib "shell32.dll" Alias "DragQueryFileA" (ByVal hDrop As Long, ByVal UINT As Long, ByVal lpStr As String, ByVal ch As Long) As Long Private Declare Function DragQueryPoint Lib "shell32.dll" (ByVal hDrop As Long, lpPoint As POINTAPI) As Long Private Declare Function GlobalAlloc Lib "kernel32" (ByVal wFlags As Long, ByVal dwBytes As Long) As Long Private Declare Function GlobalFree Lib "kernel32" (ByVal hMem As Long) As Long Private Declare Function GlobalLock Lib "kernel32" (ByVal hMem As Long) As Long Private Declare Function GlobalUnlock Lib "kernel32" (ByVal hMem As Long) As Long Private Declare Sub CopyMem Lib "kernel32" Alias "RtlMoveMemory" (Destination As Any, Source As Any, ByVal Length As Long) ' Predefined Clipboard Formats 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 ' New shell-oriented clipboard formats Private Const CFSTR_SHELLIDLIST As String = "Shell IDList Array" Private Const CFSTR_SHELLIDLISTOFFSET As String = "Shell Object Offsets" Private Const CFSTR_NETRESOURCES As String = "Net Resource" Private Const CFSTR_FILEDESCRIPTOR As String = "FileGroupDescriptor" Private Const CFSTR_FILECONTENTS As String = "FileContents" Private Const CFSTR_FILENAME As String = "FileName" Private Const CFSTR_PRINTERGROUP As String = "PrinterFriendlyName" Private Const CFSTR_FILENAMEMAP As String = "FileNameMap" ' Global Memory Flags 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 Type DROPFILES pFiles As Long pt As POINTAPI fNC As Long fWide As Long End Type 'Code: ' #VBIDEUtils#************************************************************ ' * Programmer Name : Karl E. Peterson ' * Web Site : http://www.mvps.org/vb ' * E-Mail : waty.thierry@usa.net ' * Date : 11/11/98 ' * Time : 12:40 ' * Module Name : MClipFileCopy ' * Module Filename : MClipFileCopy.bas ' ********************************************************************** ' * Comments : ' * ' * ' * Copyright (C)1995-98, ' * ' * Author grants royalty-free rights to use this code within ' * compiled applications. Selling or otherwise distributing ' * this source code is not allowed without author's express ' * permission. ' ************************************************************* Public Function ClipboardCopyFiles(Files() As String) As Boolean ' #VBIDEUtils#************************************************************ ' * Programmer Name : Karl E. Peterson ' * Web Site : www.geocities.com/ResearchTriangle/6311/ ' * E-Mail : waty.thierry@usa.net ' * Date : 24/11/98 ' * Time : 13:07 ' * Module Name : ClipboardFiles_Module ' * Module Filename : ClipboardFiles.bas ' * Procedure Name : ClipboardCopyFiles ' * Parameters : ' * Files() As String ' ********************************************************************** ' * Comments : Copy files to the clipboard ' * Like in Explorer or something similar. You can paste them ' * in explorer. ' * ' ********************************************************************** Dim data As String Dim df As DROPFILES Dim hGlobal As Long Dim lpGlobal As Long Dim i As Long ' Open and clear existing crud off clipboard. If OpenClipboard(0&) Then Call EmptyClipboard ' Build double-null terminated list of files. For i = LBound(Files) To UBound(Files) data = data & Files(i) & vbNullChar Next data = data & vbNullChar ' Allocate and get pointer to global memory, ' then copy file list to it. hGlobal = GlobalAlloc(GHND, Len(df) + Len(data)) If hGlobal Then lpGlobal = GlobalLock(hGlobal) ' Build DROPFILES structure in global memory. df.pFiles = Len(df) Call CopyMem(ByVal lpGlobal, df, Len(df)) Call CopyMem(ByVal (lpGlobal + Len(df)), ByVal data, Len(data)) Call GlobalUnlock(hGlobal) ' Copy data to clipboard, and return success. If SetClipboardData(CF_HDROP, hGlobal) Then ClipboardCopyFiles = True End If End If ' Clean up Call CloseClipboard End If End Function Public Function ClipboardPasteFiles(Files() As String) As Long ' #VBIDEUtils#************************************************************ ' * Programmer Name : Karl E. Peterson ' * Web Site : www.geocities.com/ResearchTriangle/6311/ ' * E-Mail : waty.thierry@usa.net ' * Date : 24/11/98 ' * Time : 13:07 ' * Module Name : ClipboardFiles_Module ' * Module Filename : ClipboardFiles.bas ' * Procedure Name : ClipboardPasteFiles ' * Parameters : ' * Files() As String ' ********************************************************************** ' * Comments : Paste file coming from the clipboard ' * Those files have been added by Explorer or something similar ' * ' ********************************************************************** Dim hDrop As Long Dim nFiles As Long Dim i As Long Dim desc As String Dim filename As String Dim pt As POINTAPI Const MAX_PATH As Long = 260 ' Insure desired format is there, and open clipboard. If IsClipboardFormatAvailable(CF_HDROP) Then If OpenClipboard(0&) Then ' Get handle to Dropped Filelist data, and number of files. hDrop = GetClipboardData(CF_HDROP) nFiles = DragQueryFile(hDrop, -1&, "", 0) ' Allocate space for return and working variables. ReDim Files(0 To nFiles - 1) As String filename = Space(MAX_PATH) ' Retrieve each filename in Dropped Filelist. For i = 0 To nFiles - 1 Call DragQueryFile(hDrop, i, filename, Len(filename)) Files(i) = TrimNull(filename) Next ' Clean up Call CloseClipboard End If ' Assign return value equal to number of files dropped. ClipboardPasteFiles = nFiles End If End Function Private Function TrimNull(ByVal sTmp As String) As String Dim nNul As Long ' ' Truncate input sTmpg at first Null. ' If no Nulls, perform ordinary Trim. ' nNul = InStr(sTmp, vbNullChar) Select Case nNul Case Is > 1 TrimNull = Left(sTmp, nNul - 1) Case 1 TrimNull = "" Case 0 TrimNull = Trim(sTmp) End Select End Function |
Copy or paste files to the clipboard as Explorer d |
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