1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245
|
Declare Function OpenClipboard Lib "user32" (ByVal hWnd As Long) As Long
Declare Function CloseClipboard Lib "user32" () As Long
Declare Function GetClipboardData Lib "user32" (ByVal wFormat As Long) As Long
Declare Function SetClipboardData Lib "user32" (ByVal wFormat As Long, ByVal hMem 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
Declare Function lstrcpy Lib "kernel32" (ByVal lpString1 As Any, ByVal lpString2 As Any) As Long
Declare Sub keybd_event Lib "user32" (ByVal bVk As Byte, ByVal bScan As Byte, ByVal dwflags As Long, ByVal dwExtraInfo As Long)
Public Const VK_SNAPSHOT = &H2C
Type RECT_Type
Left As Long
Top As Long
Right As Long
Bottom As Long
End Type
Declare Function GetActiveWindow Lib "user32" () As Long
Declare Function GetDesktopWindow Lib "user32" () As Long
Declare Sub GetWindowRect Lib "user32" (ByVal hWnd As Long, lpRect As RECT_Type)
Declare Function GetDC Lib "user32" (ByVal hWnd As Long) As Long
Declare Function CreateCompatibleDC Lib "gdi32" (ByVal hdc As Long) As Long
Declare Function CreateCompatibleBitmap Lib "gdi32" (ByVal hdc _
As Long, ByVal nWidth As Long, _
ByVal nHeight As Long) As Long
Declare Function SelectObject Lib "gdi32" (ByVal hdc As Long, _
ByVal hObject As Long) As Long
Declare Function BitBlt Lib "gdi32" (ByVal hDestDC As Long, _
ByVal X As Long, ByVal Y _
As Long, ByVal nWidth As Long, _
ByVal nHeight As Long, _
ByVal hSrcDC As Long, _
ByVal XSrc As Long, _
ByVal YSrc As Long, _
ByVal dwRop As Long) As Long
Declare Function ReleaseDC Lib "user32" (ByVal hWnd As Long, ByVal hdc As Long) As Long
Declare Function DeleteDC Lib "gdi32" (ByVal hdc As Long) As Long
Public Const GHND = &H42
Public Const CF_TEXT = 1
Public Const MAXSIZE = 4096
Global Const SRCCOPY = &HCC0020
Global Const CF_BITMAP = 2
'MS KB Artikel Q138910
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
'MS KB Artikel Q138909
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
'MS KB Artikel Q148392
Function ScreenDump()
Dim AccessHwnd As Long, DeskHwnd As Long
Dim hdc As Long
Dim hdcMem As Long
Dim Rect As RECT_Type
Dim junk As Long
Dim fwidth As Long, fheight As Long
Dim hBitmap As Long
DoCmd.Hourglass True
'---------------------------------------------------
' Get window handle to Windows and Microsoft Access
'---------------------------------------------------
DeskHwnd = GetDesktopWindow()
AccessHwnd = GetActiveWindow()
'---------------------------------------------------
' Get screen coordinates of Microsoft Access
'---------------------------------------------------
Call GetWindowRect(AccessHwnd, Rect)
fwidth = Rect.Right - Rect.Left
fheight = Rect.Bottom - Rect.Top
'---------------------------------------------------
' Get the device context of Desktop and allocate memory
'---------------------------------------------------
hdc = GetDC(DeskHwnd)
hdcMem = CreateCompatibleDC(hdc)
hBitmap = CreateCompatibleBitmap(hdc, fwidth, fheight)
If hBitmap <> 0 Then
junk = SelectObject(hdcMem, hBitmap)
'---------------------------------------------
' Copy the Desktop bitmap to memory location
' based on Microsoft Access coordinates.
'---------------------------------------------
junk = BitBlt(hdcMem, 0, 0, fwidth, fheight, hdc, Rect.Left, _
Rect.Top, SRCCOPY)
'---------------------------------------------
' Set up the Clipboard and copy bitmap
'---------------------------------------------
junk = OpenClipboard(DeskHwnd)
junk = EmptyClipboard()
junk = SetClipboardData(CF_BITMAP, hBitmap)
junk = CloseClipboard()
End If
'---------------------------------------------
' Clean up handles
'---------------------------------------------
junk = DeleteDC(hdcMem)
junk = ReleaseDC(DeskHwnd, hdc)
DoCmd.Hourglass False
End Function
Function PrtScn(Alles As Boolean)
' Alles = True Gesamter Bildschirm
' Alles = False - Aktives Fenster
'Tip aus www.basicworld.com
' 32 Bit
'Die Prozedur keybd_event schafft lässig, was SendKeys nicht kann - beachten Sie
'bitte, daß das SDK die Verwendung für diese Zwecke fälschlicherweise genau
'vertauscht dokumentiert: Übergeben Sie ihr im Parameter bVk den virtuellen
'Tastencode VB_SNAPSHOT für die "PrintScreen"-Taste, so erhalten Sie eine Kopie
'des aktiven Fensters in der Zwischenablage:
If Not Alles Then
keybd_event VK_SNAPSHOT, 0, 0, 0
'Wünschen Sie, den gesamten Desktop zu kopieren, so setzen Sie den Parameter
'bScan einfach auf 1:
Else
keybd_event VK_SNAPSHOT, 1, 0, 0
End If
End Function
'***** Code start ********
'code courtesy of
'Terry Kreft
'
Function ClipBoard_Clear()
Call OpenClipboard(0&)
Call EmptyClipboard
Call CloseClipboard
End Function |
Partager