将信息发送到剪贴板
时 间:2022-10-29 08:02:26
作 者:杨雪 ID:42182 城市:南京
摘 要:本文内容
使用 RunCommand 方法
使用 Windows API
正 文:
使用 RunCommand 方法
使用 RunCommand 方法和 acCmdCopy 常量将窗体或报表上的活动控件的内容复制到剪贴板。
以下示例说明如何将名为 txtNotes 的文本框的内容复制到剪贴板。
Private Sub cmdCopy_Click() Me!txtNotes.SetFocus DoCmd.RunCommand acCmdCopy End Sub
使用 Windows API
要使用 Windows API 调用将信息发送到剪贴板,请将下面的代码粘贴到标准模块的声明节。
Option Explicit Private Declare Function OpenClipboard Lib "user32.dll" (ByVal hWnd As Long) As Long Private Declare Function EmptyClipboard Lib "user32.dll" () As Long Private Declare Function CloseClipboard Lib "user32.dll" () As Long Private Declare Function IsClipboardFormatAvailable Lib "user32.dll" (ByVal wFormat As Long) As Long Private Declare Function GetClipboardData Lib "user32.dll" (ByVal wFormat As Long) As Long Private Declare Function SetClipboardData Lib "user32.dll" (ByVal wFormat As Long, ByVal hMem As Long) As Long Private Declare Function GlobalAlloc Lib "kernel32.dll" (ByVal wFlags As Long, ByVal dwBytes As Long) As Long Private Declare Function GlobalLock Lib "kernel32.dll" (ByVal hMem As Long) As Long Private Declare Function GlobalUnlock Lib "kernel32.dll" (ByVal hMem As Long) As Long Private Declare Function GlobalSize Lib "kernel32" (ByVal hMem As Long) As Long Private Declare Function lstrcpy Lib "kernel32.dll" Alias "lstrcpyW" (ByVal lpString1 As Long, ByVal lpString2 As Long) As Long Public Sub SetClipboard(sUniText As String) Dim iStrPtr As Long Dim iLen As Long Dim iLock As Long Const GMEM_MOVEABLE As Long = &H2 Const GMEM_ZEROINIT As Long = &H40 Const CF_UNICODETEXT As Long = &HD OpenClipboard 0& EmptyClipboard iLen = LenB(sUniText) + 2& iStrPtr = GlobalAlloc(GMEM_MOVEABLE or GMEM_ZEROINIT, iLen) iLock = GlobalLock(iStrPtr) lstrcpy iLock, StrPtr(sUniText) GlobalUnlock iStrPtr SetClipboardData CF_UNICODETEXT, iStrPtr CloseClipboard End Sub Public Function GetClipboard() As String Dim iStrPtr As Long Dim iLen As Long Dim iLock As Long Dim sUniText As String Const CF_UNICODETEXT As Long = 13& OpenClipboard 0& If IsClipboardFormatAvailable(CF_UNICODETEXT) Then iStrPtr = GetClipboardData(CF_UNICODETEXT) If iStrPtr Then iLock = GlobalLock(iStrPtr) iLen = GlobalSize(iStrPtr) sUniText = String$(iLen \ 2& - 1&, vbNullChar) lstrcpy StrPtr(sUniText), iLock GlobalUnlock iStrPtr End If GetClipboard = sUniText End If CloseClipboard End Function
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