Private Type BITMAPINFOHEADER '40 bytes biSize As Long biWidth As Long biHeight As Long biPlanes As Integer biBitCount As Integer biCompression As Long biSizeImage As Long biXPelsPerMeter As Long biYPelsPerMeter As Long biClrUsed As Long biClrImportant As Long End Type Private Type BITMAPINFO bmiHeader As BITMAPINFOHEADER End Type Private Declare Function CreateCompatibleDC Lib "gdi32" (ByVal hdc As Long) As Long Private Declare Function CreateDIBSection Lib "gdi32" (ByVal hdc As Long, pBitmapInfo As BITMAPINFO, ByVal un As Long, ByVal lplpVoid As Long, ByVal handle As Long, ByVal dw As Long) As Long Private Declare Function GetDIBits Lib "gdi32" (ByVal aHDC As Long, ByVal hBitmap As Long, ByVal nStartScan As Long, ByVal nNumScans As Long, lpBits As Any, lpBI As BITMAPINFO, ByVal wUsage As Long) As Long Private Declare Function SetDIBitsToDevice Lib "gdi32" (ByVal hdc As Long, ByVal x As Long, ByVal y As Long, ByVal dx As Long, ByVal dy As Long, ByVal SrcX As Long, ByVal SrcY As Long, ByVal Scan As Long, ByVal NumScans As Long, Bits As Any, BitsInfo As BITMAPINFO, ByVal wUsage As Long) As Long Private Declare Function SelectObject Lib "gdi32" (ByVal hdc As Long, ByVal hObject As Long) As Long Private Declare Function DeleteDC Lib "gdi32" (ByVal hdc As Long) As Long Private Declare Function DeleteObject Lib "gdi32" (ByVal hObject As Long) As Long 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 Declare Function GetDC Lib "user32" (ByVal hwnd As Long) As Long Dim iBitmap As Long, iDC As Long Private Sub Command1_Click() Me.Hide Picture1.AutoRedraw = True Dim bi24BitInfo As BITMAPINFO, bBytes() As Byte, Cnt As Long With bi24BitInfo.bmiHeader .biBitCount = 24 .biCompression = BI_RGB .biPlanes = 1 .biSize = Len(bi24BitInfo.bmiHeader) .biWidth = 2000 '<<<<====== c'est ici que tu définis la largeur à garder .biHeight = 2000 '<<<<====== c'est ici que tu définis la hauteur à garder End With ReDim bBytes(1 To bi24BitInfo.bmiHeader.biWidth * bi24BitInfo.bmiHeader.biHeight * 3) As Byte iDC = CreateCompatibleDC(0) iBitmap = CreateDIBSection(iDC, bi24BitInfo, DIB_RGB_COLORS, ByVal 0&, ByVal 0&, ByVal 0&) SelectObject iDC, iBitmap agauche = 200 enhaut = 150 BitBlt iDC, 0, 0, bi24BitInfo.bmiHeader.biWidth, bi24BitInfo.bmiHeader.biHeight, GetDC(0), agauche, enhaut, vbSrcCopy GetDIBits iDC, iBitmap, 0, bi24BitInfo.bmiHeader.biHeight, bBytes(1), bi24BitInfo, DIB_RGB_COLORS SetDIBitsToDevice Picture1.hdc, 0, 0, bi24BitInfo.bmiHeader.biWidth, bi24BitInfo.bmiHeader.biHeight, 0, 0, 0, bi24BitInfo.bmiHeader.biHeight, bBytes(1), bi24BitInfo, DIB_RGB_COLORS DeleteDC iDC DeleteObject iBitmap Me.Show End Sub
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Posez votre questionmais avec ce systeme, je suis obligé de remettre à chaque fois le focus sur le form1 pour utiliser la fonction getpixel? ou ce n'est pas la peine?