Option Explicit Option Base 0Private Type GUID Data1 As Long Data2 As Integer Data3 As Integer Data4(7) As Byte End TypePrivate Const RASTERCAPS As Long = 38 Private Const RC_PALETTE As Long = &H100 Private Const SIZEPALETTE As Long = 104Private Type RECT Left As Long Top As Long Right As Long Bottom As Long End TypePrivate 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 BitBlt Lib "gdi32" (ByVal hDCDest As Long, ByVal XDest As Long, ByVal YDest As Long, ByVal nWidth As Long, ByVal nHeight As Long, ByVal hdcsrc As Long, ByVal xSrc As Long, ByVal ySrc As Long, ByVal dwRop As Long) As Long Private Declare Function DeleteDC Lib "gdi32" (ByVal hdc As Long) As Long Private Declare Function GetForegroundWindow Lib "user32" () As Long Private Declare Function GetWindowDC Lib "user32" (ByVal hwnd As Long) As Long Private Declare Function GetDC Lib "user32" (ByVal hwnd As Long) As Long Private Declare Function GetWindowRect Lib "user32" (ByVal hwnd As Long, lpRect As RECT) As Long Private Declare Function ReleaseDC Lib "user32" (ByVal hwnd As Long, ByVal hdc As Long) As Long Private Declare Function GetDesktopWindow Lib "user32" () As Long
Private Type PicBmp Size As Long Type As Long hBmp As Long hPal As Long Reserved As Long End Type Private Declare Function OleCreatePictureIndirect Lib "olepro32.dll" (PicDesc As PicBmp, RefIID As GUID, ByVal fPictureOwnsHandle As Long, IPic As IPicture) As Long Dim si As Long Dim da2 Dim da1 ''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' ' '捕 捉 屏 幕 ' ' ''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' ' Public Function bmp16x() As Picture Select Case si Case 0da2 = Now si = si + 1Case 100da1 = Now si = 0 Case Else si = si + 1 Form1.Caption = si End Select Dim hWndScreen As Long hWndScreen = GetDesktopWindow() Set bmp16x = CaptureWindow(hWndScreen, 0, 0, Screen.Width \ Screen.TwipsPerPixelX, Screen.Height \ Screen.TwipsPerPixelY) End Function ''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' ' ' 捕 捉 活 动 窗口' ''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' ' Public Function CaptureActiveWindow() As Picture Dim hWndActive As Long Dim r As Long
Dim RectActive As RECT
hWndActive = GetForegroundWindow()
r = GetWindowRect(hWndActive, RectActive)
Set CaptureActiveWindow = CaptureWindow(hWndActive, 0, 0, RectActive.Right - RectActive.Left, RectActive.Bottom - RectActive.Top) End Function '----------------------------------------------------------- ''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' ' ' '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' Public Function CaptureWindow(ByVal hWndSrc As Long, ByVal LeftSrc As Long, ByVal TopSrc As Long, ByVal WidthSrc As Long, ByVal HeightSrc As Long) As Picture 'ByVal hWndSrc As Long '要捕捉窗口的句柄
'ByVal LeftSrc As Long '窗口的左边起点 'ByVal TopSrc As Long '窗口的顶 'ByVal WidthSrc As Long '窗口的宽 'ByVal HeightSrc As Long '窗口的高
Dim hDCMemory As Long Dim hBmp As Long Dim hBmpPrev As Long Dim r As Long Dim hdcsrc As Long hdcsrc = GetWindowDC(hWndSrc) '得到桌面设备场景
r = DeleteDC(hDCMemory) r = ReleaseDC(hWndSrc, hdcsrc)
Dim Pic As PicBmp Dim IPic As Picture Dim IID_IDispatch As GUID With IID_IDispatch .Data1 = &H20400 .Data4(0) = &HC0 .Data4(7) = &H46 End With With Pic .Size = Len(Pic) ' Length of structure. .Type = vbPicTypeBitmap ' Type of Picture (bitmap). .hBmp = hBmp ' Handle to bitmap. .hPal = 0 ' Handle to palette (may be null). End With r = OleCreatePictureIndirect(Pic, IID_IDispatch, 1, IPic)
Option Base 0Private Type GUID
Data1 As Long
Data2 As Integer
Data3 As Integer
Data4(7) As Byte
End TypePrivate Const RASTERCAPS As Long = 38
Private Const RC_PALETTE As Long = &H100
Private Const SIZEPALETTE As Long = 104Private Type RECT
Left As Long
Top As Long
Right As Long
Bottom As Long
End TypePrivate 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 BitBlt Lib "gdi32" (ByVal hDCDest As Long, ByVal XDest As Long, ByVal YDest As Long, ByVal nWidth As Long, ByVal nHeight As Long, ByVal hdcsrc As Long, ByVal xSrc As Long, ByVal ySrc As Long, ByVal dwRop As Long) As Long
Private Declare Function DeleteDC Lib "gdi32" (ByVal hdc As Long) As Long
Private Declare Function GetForegroundWindow Lib "user32" () As Long
Private Declare Function GetWindowDC Lib "user32" (ByVal hwnd As Long) As Long
Private Declare Function GetDC Lib "user32" (ByVal hwnd As Long) As Long
Private Declare Function GetWindowRect Lib "user32" (ByVal hwnd As Long, lpRect As RECT) As Long
Private Declare Function ReleaseDC Lib "user32" (ByVal hwnd As Long, ByVal hdc As Long) As Long
Private Declare Function GetDesktopWindow Lib "user32" () As Long
Private Type PicBmp
Size As Long
Type As Long
hBmp As Long
hPal As Long
Reserved As Long
End Type Private Declare Function OleCreatePictureIndirect Lib "olepro32.dll" (PicDesc As PicBmp, RefIID As GUID, ByVal fPictureOwnsHandle As Long, IPic As IPicture) As Long
Dim si As Long
Dim da2
Dim da1
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
'
'捕 捉 屏 幕
'
'
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
'
Public Function bmp16x() As Picture
Select Case si
Case 0da2 = Now
si = si + 1Case 100da1 = Now
si = 0
Case Else
si = si + 1
Form1.Caption = si
End Select
Dim hWndScreen As Long hWndScreen = GetDesktopWindow()
Set bmp16x = CaptureWindow(hWndScreen, 0, 0, Screen.Width \ Screen.TwipsPerPixelX, Screen.Height \ Screen.TwipsPerPixelY)
End Function
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
'
' 捕 捉 活 动 窗口'
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
'
Public Function CaptureActiveWindow() As Picture Dim hWndActive As Long
Dim r As Long
Dim RectActive As RECT
hWndActive = GetForegroundWindow()
r = GetWindowRect(hWndActive, RectActive)
Set CaptureActiveWindow = CaptureWindow(hWndActive, 0, 0, RectActive.Right - RectActive.Left, RectActive.Bottom - RectActive.Top)
End Function
'-----------------------------------------------------------
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
'
'
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' Public Function CaptureWindow(ByVal hWndSrc As Long, ByVal LeftSrc As Long, ByVal TopSrc As Long, ByVal WidthSrc As Long, ByVal HeightSrc As Long) As Picture 'ByVal hWndSrc As Long '要捕捉窗口的句柄
'ByVal LeftSrc As Long '窗口的左边起点
'ByVal TopSrc As Long '窗口的顶
'ByVal WidthSrc As Long '窗口的宽
'ByVal HeightSrc As Long '窗口的高
Dim hDCMemory As Long
Dim hBmp As Long
Dim hBmpPrev As Long
Dim r As Long
Dim hdcsrc As Long
hdcsrc = GetWindowDC(hWndSrc) '得到桌面设备场景
hDCMemory = CreateCompatibleDC(hdcsrc) '创建一个与特定设备场景一致的内存设备场景
hBmp = CreateCompatibleBitmap(hdcsrc, WidthSrc, HeightSrc) '创建一幅与设备有关位图,它与指定的设备场景兼容
hBmpPrev = SelectObject(hDCMemory, hBmp)
'每个设备场景都可能有选入其中的图形对象。其中包括位图、刷子、字体、画笔以及区域等等。
'一次选入设备场景的只能有一个对象。选定的对象会在设备场景的绘图操作中使用。
'例如,当前选定的画笔决定了在设备场景中描绘的线段颜色及样式
r = BitBlt(hDCMemory, 0, 0, WidthSrc, HeightSrc, hdcsrc, LeftSrc, TopSrc, vbSrcCopy) 'vbSrcCopy
hBmp = SelectObject(hDCMemory, hBmpPrev)
r = DeleteDC(hDCMemory)
r = ReleaseDC(hWndSrc, hdcsrc)
Dim Pic As PicBmp
Dim IPic As Picture
Dim IID_IDispatch As GUID With IID_IDispatch
.Data1 = &H20400
.Data4(0) = &HC0
.Data4(7) = &H46
End With With Pic
.Size = Len(Pic) ' Length of structure.
.Type = vbPicTypeBitmap ' Type of Picture (bitmap).
.hBmp = hBmp ' Handle to bitmap.
.hPal = 0 ' Handle to palette (may be null).
End With r = OleCreatePictureIndirect(Pic, IID_IDispatch, 1, IPic)
Set CaptureWindow = IPic
End Function