Visual Basic, .NET, ASP, VBA, VBScript
 
  Библиотека кодов  
  Стандартные элементы >>> PictureBox/Image  
     
  Скопировать содержимое PictureBox в буфер обмена  
  Интересный пример, правда не до конца понятый мною.

Расположите на форме элемент PictureBox и элемент CommandButton. Запустите проект, нажмите на кнопку. Затем откройте приложение Paint и нажмите сочетание клавиш Ctrl + V.
Option Explicit
Private Type RECT
Left As Long
Top As Long
Right As Long
Bottom As Long
End Type

Private 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
Private Const SRCCOPY = &HCC0020
Private Declare Function CreateCompatibleDC Lib "gdi32" (ByVal hdc As Long) As Long
Private Declare Function CreateCompatibleBitmap Lib "gdi32" (ByVal hdc As Long, ByVal nWidth As Long, ByVal nHeight As Long) As Long
Private Declare Function SelectObject Lib "gdi32" (ByVal hdc As Long, ByVal hObject As Long) As Long
Private Declare Function DeleteObject Lib "gdi32" (ByVal hObject 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 SetClipboardData Lib "user32" (ByVal wFormat As Long, ByVal hMem As Long) As Long
Private Declare Function GetClipboardFormatName Lib "user32" Alias "GetClipboardFormatNameA" (ByVal wFormat As Long, ByVal lpString As String, ByVal nMaxCount As Long) As Long
Private Declare Function EmptyClipboard Lib "user32" () As Long
Private Declare Function CountClipboardFormats Lib "user32" () As Long
Private Declare Function EnumClipboardFormats Lib "user32" (ByVal wFormat As Long) As Long
Private Declare Function IsClipboardFormatAvailable Lib "user32" (ByVal wFormat As Long) As Long
Private Declare Function RegisterClipboardFormat Lib "user32" Alias "RegisterClipboardFormatA" (ByVal lpString As String) As Long
Private Declare Function GetClipboardData Lib "user32" (ByVal wFormat 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 Function GlobalSize Lib "kernel32" (ByVal hMem As Long) As Long
Private Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" (lpvDest As Any, lpvSource As Any, ByVal cbCopy As Long)

Public Enum EPredefinedClipboardFormatConstants
[_First] = 1
CF_TEXT = 1
CF_BITMAP = 2
CF_METAFILEPICT = 3
CF_SYLK = 4
CF_DIF = 5
CF_TIFF = 6
CF_OEMTEXT = 7
CF_DIB = 8
CF_PALETTE = 9
CF_PENDATA = 10
CF_RIFF = 11
CF_WAVE = 12
CF_UNICODETEXT = 13
CF_ENHMETAFILE = 14
CF_HDROP = 15
CF_LOCALE = 16
CF_MAX = 17
[_Last] = 17
End Enum

Public Function CopyEntirePictureToClipboard(ByRef objFrom As Object) As Boolean
Dim lhDC As Long
Dim lhBmp As Long
Dim lhBmpOld As Long
lhDC = CreateCompatibleDC(objFrom.hdc)
If (lhDC <> 0) Then
lhBmp = CreateCompatibleBitmap(objFrom.hdc, objFrom.ScaleWidth \ Screen.TwipsPerPixelX, objFrom.ScaleHeight \ Screen.TwipsPerPixelY)
If (lhBmp <> 0) Then
lhBmpOld = SelectObject(lhDC, lhBmp)
BitBlt lhDC, 0, 0, objFrom.ScaleWidth \ Screen.TwipsPerPixelX, objFrom.ScaleHeight \ Screen.TwipsPerPixelY, objFrom.hdc, 0, 0, SRCCOPY
SelectObject lhDC, lhBmpOld
EmptyClipboard
OpenClipboard 0
SetClipboardData CF_BITMAP, lhBmp
CloseClipboard
End If
DeleteObject lhDC
CopyEntirePictureToClipboard = True
Else
CopyEntirePictureToClipboard = False
End If
End Function

Private Sub Command1_Click()
Call CopyEntirePictureToClipboard(Picture1)
End Sub
 
     
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