Code:
Option ExplicitPrivate Declare Sub Sleep Lib "kernel32.dll" ( _
ByVal dwMilliseconds As Long)
Private Declare Function OleCreatePictureIndirect Lib "olepro32.dll" ( _
ByRef PicDesc As PicBmp, _
ByRef RefIID As GUID, _
ByVal fPictureOwnsHandle As Long, _
ByRef IPic As IPicture) As Long
Private Declare Function CreateCompatibleDC Lib "gdi32.dll" ( _
ByVal hdc As Long) As Long
Private Declare Function CreateCompatibleBitmap Lib "gdi32.dll" ( _
ByVal hdc As Long, _
ByVal nWidth As Long, _
ByVal nHeight As Long) As Long
Private Declare Function SelectObject Lib "gdi32.dll" ( _
ByVal hdc As Long, _
ByVal hObject As Long) As Long
Private Declare Function GetDeviceCaps Lib "gdi32.dll" ( _
ByVal hdc As Long, _
ByVal iCapabilitiy As Long) As Long
Private Declare Function GetSystemPaletteEntries Lib "gdi32.dll" ( _
ByVal hdc As Long, _
ByVal wStartIndex As Long, _
ByVal wNumEntries As Long, _
ByRef lpPaletteEntries As PALETTEENTRY) As Long
Private Declare Function CreatePalette Lib "gdi32.dll" ( _
ByRef lpLogPalette As LOGPALETTE) As Long
Private Declare Function SelectPalette Lib "gdi32.dll" ( _
ByVal hdc As Long, _
ByVal hPalette As Long, _
ByVal bForceBackground As Long) As Long
Private Declare Function RealizePalette Lib "gdi32.dll" ( _
ByVal hdc As Long) As Long
Private Declare Function BitBlt Lib "gdi32.dll" ( _
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 Declare Function DeleteDC Lib "gdi32.dll" ( _
ByVal hdc As Long) As Long
Private Declare Function GetDC Lib "user32.dll" ( _
ByVal hWnd As Long) As Long
Private Declare Function GetWindowRect Lib "user32.dll" ( _
ByVal hWnd As Long, _
ByRef lpRect As RECT) As Long
Private Declare Function GetSystemMetrics Lib "user32.dll" ( _
ByVal nIndex As Long) As Long
Private Declare Function GetForegroundWindow Lib "user32.dll" () As Long
Private Const SM_CXSCREEN = 0&
Private Const SM_CYSCREEN = 1&
Private Const RC_PALETTE As Long = &H100
Private Const SIZEPALETTE As Long = 104
Private Const RASTERCAPS As Long = 38
Private Type RECT
Left As Long
Top As Long
Right As Long
Bottom As Long
End Type
Private Type PALETTEENTRY
peRed As Byte
peGreen As Byte
peBlue As Byte
peFlags As Byte
End Type
Private Type LOGPALETTE
palVersion As Integer
palNumEntries As Integer
palPalEntry(255) As PALETTEENTRY
End Type
Private Type GUID
Data1 As Long
Data2 As Integer
Data3 As Integer
Data4(7) As Byte
End Type
Private Type PicBmp
Size As Long
Type As Long
hBmp As Long
hPal As Long
Reserved As Long
End Type
Public Sub prcCreate_Picture_Active_Window()
Dim hWnd As Long
Dim udtRect As RECT
Sleep 3000 '3 sekunden pause um ein anderes Fenster zu aktivieren
hWnd = GetForegroundWindow
GetWindowRect hWnd, udtRect
stdole.SavePicture hDCToPicture(GetDC(0&), udtRect.Left, udtRect.Top, _
udtRect.Right - udtRect.Left, udtRect.Bottom - udtRect.Top), _
"D:\Eigene Dateien\Screenshot.bmp" 'anpassen !!!
End Sub
Private Function CreateBitmapPicture(ByVal hBmp As Long, ByVal hPal As Long) As Object
Dim Pic As PicBmp, IPic As IPicture, IID_IDispatch As GUID
With IID_IDispatch
.Data1 = &H20400
.Data4(0) = &HC0
.Data4(7) = &H46
End With
With Pic
.Size = Len(Pic)
.Type = 1
.hBmp = hBmp
.hPal = hPal
End With
Call OleCreatePictureIndirect(Pic, IID_IDispatch, 1, IPic)
Set CreateBitmapPicture = IPic
End Function
Private Function hDCToPicture(ByVal hDCSrc As Long, ByVal LeftSrc As Long, _
ByVal TopSrc As Long, ByVal WidthSrc As Long, ByVal HeightSrc As Long) As Object
Dim hDCMemory As Long, hBmp As Long, hBmpPrev As Long
Dim hPal As Long, hPalPrev As Long, RasterCapsScrn As Long, HasPaletteScrn As Long
Dim PaletteSizeScrn As Long, LogPal As LOGPALETTE
hDCMemory = CreateCompatibleDC(hDCSrc)
hBmp = CreateCompatibleBitmap(hDCSrc, WidthSrc, HeightSrc)
hBmpPrev = SelectObject(hDCMemory, hBmp)
RasterCapsScrn = GetDeviceCaps(hDCSrc, RASTERCAPS)
HasPaletteScrn = RasterCapsScrn And RC_PALETTE
PaletteSizeScrn = GetDeviceCaps(hDCSrc, SIZEPALETTE)
If HasPaletteScrn And (PaletteSizeScrn = 256) Then
LogPal.palVersion = &H300
LogPal.palNumEntries = 256
Call GetSystemPaletteEntries(hDCSrc, 0, 256, LogPal.palPalEntry(0))
hPal = CreatePalette(LogPal)
hPalPrev = SelectPalette(hDCMemory, hPal, 0)
Call RealizePalette(hDCMemory)
End If
Call BitBlt(hDCMemory, 0, 0, WidthSrc, HeightSrc, hDCSrc, LeftSrc, TopSrc, 13369376)
hBmp = SelectObject(hDCMemory, hBmpPrev)
If HasPaletteScrn And (PaletteSizeScrn = 256) Then
hPal = SelectPalette(hDCMemory, hPalPrev, 0)
End If
Call DeleteDC(hDCMemory)
Set hDCToPicture = CreateBitmapPicture(hBmp, hPal)
End Function
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