Attribute VB_Name = "modClipboard"
Option Compare Database
Option Explicit
     
Declare Function OpenClipboard Lib "user32" (ByVal hWnd As Long) As Long
Declare Function SetClipboardData Lib "user32" (ByVal wFormat As Long, ByVal hMem As Long) As Long
Declare Function lstrcpy Lib "kernel32" (ByVal lpString1 As Any, ByVal lpString2 As Any) As Long
Declare Function CloseClipboard Lib "user32" () As Long
Declare Function GetClipboardData Lib "user32" (ByVal wFormat As Long) As Long
Declare Function EmptyClipboard Lib "user32" () As Long
Declare Function GlobalAlloc Lib "kernel32" (ByVal wFlags&, ByVal dwBytes As Long) As Long
Declare Function GlobalLock Lib "kernel32" (ByVal hMem As Long) As Long
Declare Function GlobalUnlock Lib "kernel32" (ByVal hMem As Long) As Long
Declare Function GlobalSize Lib "kernel32" (ByVal hMem As Long) As Long

   Public Const GHND = &H42
   Public Const CF_TEXT = 1
   Public Const MAXSIZE = 4096

    
    Function ClipBoard_GetData()
         
         Dim hClipMemory As Long
         Dim lpClipMemory As Long
         Dim MyString As String
         Dim RetVal As Long

         If OpenClipboard(0&) = 0 Then
            MsgBox "Cannot open Clipboard. Another app. may have it open"

            Exit Function
         End If

         ' Obtain the handle to the global memory
         ' block that is referencing the text.
         hClipMemory = GetClipboardData(CF_TEXT)
         If IsNull(hClipMemory) Then
            MsgBox "Could not allocate memory"
            GoTo OutOfHere
         End If

         ' Lock Clipboard memory so we can reference
         ' the actual data string.
         lpClipMemory = GlobalLock(hClipMemory)

         If Not IsNull(lpClipMemory) Then

            MyString = Space$(MAXSIZE)
            RetVal = lstrcpy(MyString, lpClipMemory)
            RetVal = GlobalUnlock(hClipMemory)

            ' Peel off the null terminating character.
            MyString = Mid(MyString, 1, InStr(1, MyString, Chr$(0), 0) - 1)
         Else
            MsgBox "Could not lock memory to copy string from."
         End If

OutOfHere:

         RetVal = CloseClipboard()
         ClipBoard_GetData = MyString

      End Function
      
    Function ClipBoard_SetData(MyString As String)
            
         Dim hGlobalMemory As Long, lpGlobalMemory As Long

         Dim hClipMemory As Long, X As Long

         ' Allocate moveable global memory.
         '-------------------------------------------
         hGlobalMemory = GlobalAlloc(GHND, Len(MyString) + 1)

         ' Lock the block to get a far pointer
         ' to this memory.
         lpGlobalMemory = GlobalLock(hGlobalMemory)

         ' Copy the string to this global memory.
         lpGlobalMemory = lstrcpy(lpGlobalMemory, MyString)

         ' Unlock the memory.

         If GlobalUnlock(hGlobalMemory) <> 0 Then
            MsgBox "Could not unlock memory location. Copy aborted."
            GoTo OutOfHere2
         End If

         ' Open the Clipboard to copy data to.
         If OpenClipboard(0&) = 0 Then
            MsgBox "Could not open the Clipboard. Copy aborted."
            Exit Function
         End If

         ' Clear the Clipboard.
         X = EmptyClipboard()

         ' Copy the data to the Clipboard.

         hClipMemory = SetClipboardData(CF_TEXT, hGlobalMemory)

OutOfHere2:

         If CloseClipboard() = 0 Then
            MsgBox "Could not close Clipboard."
         End If

         End Function

'***** Code start  ********
'code courtesy of
'Terry Kreft
'
Function ClipBoard_Clear()
  Call OpenClipboard(0&)
  Call EmptyClipboard
  Call CloseClipboard
End Function
'***** Code End ********


Public Sub TestClipBoard_SetData()
Dim strToAdd As String

    strToAdd = InputBox("Enter text to store on clipboard")
    ClipBoard_SetData strToAdd
End Sub
