Import de DLL C++

Bonjour

Voila je suis en train d'utiliser une dll C++ en C#.
Ma première fonction marche correctement la deuxième me renvoi 0 et quand j'interroge lasterror j'ai 0x30000001 qui d’après la documentation est "Argument is not correct"

Code:

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using System; using System.Runtime.InteropServices; using System.Security; using System.Text;   namespace APP { [StructLayout(LayoutKind.Sequential)] unsafe internal struct PRINTINFO { internal uint dwCopies;// Dans la documentation du SDK en C++ j'ai comme type de variable DWORD internal uint dwPrintInterval; internal uint dwPrintSpeed; internal uint dwPageID; internal uint dwJobID; internal PRINT_IMGINFO pii; // type PRINT_IMGINFO internal PRINT_PAPERINFO ppi; // type PRINT_PAPERINFO internal PRINT_CCORRECTINFO lppcc;// type LP_PRINT_CCORRECTINFO internal PRINT_OVLINFO lppol; // type LP_PRINT_OVLINFO internal PRINT_OPTION lppop; //LP_PRINT_OPTION internal IntPtr lpReserve1; //LPVOID internal IntPtr lpReserve2; //LPVOID internal uint dwReserve1; //DWORD internal uint dwReserve2; }   [StructLayout(LayoutKind.Sequential)] internal struct PRINT_IMGINFO { internal uint dwSrcType; //DWORD internal uint dwResolutionType;//DWORD internal uint dwBandHeight; //DWORD internal uint dwSrcWidthPixels; //DWORD internal uint dwSrcHeightPixels; //DWORD internal uint dwRotate; //DWORD }   [StructLayout(LayoutKind.Sequential)] internal struct PRINT_PAPERINFO { internal uint dwMediaType; //DWORD internal uint dwUnit;//DWORD internal uint dwPaperWidth;//DWORD internal uint dwPaperHeight; //DWORD internal uint dwTopMargin;//DWORD internal uint dwBottomMargin; // DWORD internal uint dwLeftMargin; // DWORD internal uint dwRightMargin; // DWORD internal uint dwGapMarkLength; //DWORD internal uint dwLeftGap; // DWORD internal uint dwRightGap; // DWORD internal uint dwPaperID; // DWORD internal uint dwEdgelessFlag; // DWORD }   [StructLayout(LayoutKind.Sequential)] unsafe internal struct PRINT_CCORRECTINFO { internal uint dwMatchingType; // DWORD internal uint dwBrightness; // DWORD internal uint dwMediaType; // DWORD internal uint dwHalftone; // DWORD internal uint dwColorExt; // DWORD internal PRINT_CC_REG lppccreg; // LP_PRINT_CC_REG internal PRINT_CC_CONDITION lppcccnd; // LP_PRINT_CC_CONDITION }   [StructLayout(LayoutKind.Sequential)] internal struct PRINT_CC_REG { internal UCMYK_VAL cmykPlainReg; // UCMYK_VA internal UCMYK_VAL cmykPluralReg; // UCMYK_VA }   [StructLayout(LayoutKind.Sequential)] struct UCMYK_VAL { internal byte byK; // BYTE internal byte byC; // BYTE internal byte byM; // BYTE internal byte byY; // BYTE }   [StructLayout(LayoutKind.Sequential)] internal struct PRINT_CC_CONDITION { internal uint dwSingleType; // DWORD internal uint dwLevelCorrect; // DWORD internal uint dwSharpness; // DWORD internal int lBalanceCyan; // LONG internal int lBalanceMagenta; // LONG internal int lBalanceYellow; //LONG internal int lBalanceBlack; // LONG internal int lCCDensity; // LONG internal int lContrast; // LONG }   [StructLayout(LayoutKind.Sequential)] unsafe internal struct PRINT_OVLINFO { internal uint dwOverlayType; // DWORD internal fixed char szFormPath[256]; //TCHAR internal uint dwFormID; // DWORD internal bool bFormIdFixed; // BOOL }   [StructLayout(LayoutKind.Sequential)] unsafe internal struct PRINT_OPTION { internal PRINT_CUTINFO lppct; // LP_PRINT_CUTINFO internal uint dwFormFeed; // DWORD internal IntPtr lpvReserve1; // LPVOID internal IntPtr lpvReserve2; // LPVOID }   [StructLayout(LayoutKind.Sequential)] internal struct PRINT_CUTINFO { internal uint dwCutType; // DWORD internal uint dwCutByPageNum; // DWORD internal uint dwCutInPageNum; // DWORD internal uint dwCutConsNum; // DWORD }   [StructLayout(LayoutKind.Sequential)] internal struct PRINTCMD { internal byte[] lpbyCmdData; //OUT LPBYTE internal uint dwDataSize; //OUT DWORD }   [StructLayout(LayoutKind.Sequential)] internal struct STATUS_INFO { internal uint dwSize; // DWORD internal uint dwMainStatus; // DWORD internal ushort wWarningStatus; // WORD internal ushort wErrorStatus; // WORD internal ushort wFatalStatus; // WORD internal PAGEJOB_INFO cpi; // PAGEJOB_INFO internal IntPtr lpcii; // LPVOID }   [StructLayout(LayoutKind.Sequential)] internal struct STATUS_INFO_2 { internal uint dwSize; // DWORD internal uint dwMainStatus; // DWORD internal ushort wWarningStatus; // WORD internal ushort wErrorStatus; // WORD internal ushort wFatalStatus; // WORD internal PAGEJOB_INFO cpi; // PAGEJOB_INFO internal IntPtr lpcii; // LPVOID internal uint dwSpeed; // DWORD internal uint dwRemainNum; // DWORD internal PRNPRG_INFO cppi; // PRNPRG_INFO }   [StructLayout(LayoutKind.Sequential)] internal struct STATUS_INFO_3 { internal uint dwSize; // DWORD internal uint dwMainStatus; // DWORD internal ushort wWarningStatus; // WORD internal ushort wErrorStatus; // WORD internal ushort wFatalStatus; // WORD internal PAGEJOB_INFO cpi; // PAGEJOB_INFO internal IntPtr lpcii; // LPVOID internal uint dwSpeed; // DWORD internal uint dwRemainNum; // DWORD internal PRNPRG_INFO cppi; // PRNPRG_INFO internal uint dwMyHostID; // DWORD internal JOBHIST cjh; // JOBHIST }   [StructLayout(LayoutKind.Sequential)] internal struct PAGEJOB_INFO { internal uint dwSerialCount; // DWORD internal ushort wTotalPage; // WORD internal ushort wMadeCount; // WORD internal ushort wSetCount; // WORD internal ushort wJobStatus; // WORD }   [StructLayout(LayoutKind.Sequential)] internal struct INK_INFO_CMYK { internal byte byBlackInk; // BYTE internal byte byCyanInk; //BYTE internal byte byMagentaInk; // BYTE internal byte byYellowInk; // BYTE internal byte byWasteInk; // BYTE internal byte byReserved; // BYTE }   [StructLayout(LayoutKind.Sequential)] internal struct PRNPRG_INFO { internal WORD wTotalStep; // Total number of steps for a operation internal WORD wCurrentStep; // Current step }   [StructLayout(LayoutKind.Sequential)] internal struct JOBHIST { internal DWORD dwJhHostID; // Host ID which sent this job internal DWORD dwJobID; // Job ID for this job internal WORD wPrntCount; // Number of printed sheet for this job internal WORD wReserve; }   [StructLayout(LayoutKind.Sequential)] unsafe internal struct SETTING_INFO { internal SLPTM_INFO lpcslp; // LP_SLPTM_INFO internal HEADADJ_INFO_1 lpchai; // LPVOID internal uint[] lpdwDevInfo; // LPDWORD internal IntPtr lpclpi; // LPVOID }   [StructLayout(LayoutKind.Sequential)] internal struct SLPTM_INFO { internal uint dwSleepTime; // DWORD internal uint dwDeepTime; // DWORD }   [StructLayout(LayoutKind.Sequential)] internal struct HEADADJ_INFO_1 { internal CMYK_VAL cmykV; // CMYK_VAL internal CMYK_VAL cmykH; // CMYK_VAL internal uint dwHeadAdjType; // DWORD }   [StructLayout(LayoutKind.Sequential)] internal struct CMYK_VAL { internal byte cK; //char internal byte cC; //char internal byte cM; //char internal byte cY; //char }   [StructLayout(LayoutKind.Sequential)] internal struct DEVICE_INFO { internal ushort wParticulSet; //WORD internal byte byOptionSet; //BYTE internal byte byDevAbility;//BYTE }   [StructLayout(LayoutKind.Sequential)] internal struct LATPOS_INFO { int iCutPos; // int int iStopPos; // int }   [StructLayout(LayoutKind.Sequential)] internal struct END_INFO { internal uint dwCmdType; // DWORD internal uint dwEndStatus; // DWORD }   [StructLayout(LayoutKind.Sequential)] internal struct RF_INFO { internal int iSetRFIDNum; //int internal RFID_SET crs; // RFID_SET }   [StructLayout(LayoutKind.Sequential)] internal struct RFID_SET { internal byte byPageId; // BYTE internal byte byUniqueId; // BYTE }   [StructLayout(LayoutKind.Sequential)] internal struct DATA_INFO { internal uint dwMainteId; // DWORD internal int iGetDataSize; // int }   [StructLayout(LayoutKind.Sequential)] unsafe internal struct ORGPOS_INFO { internal TK_INFO lpTKGap1; //LPTK_INFO internal TK_INFO lpTKGap2; //LPTK_INFO }   [StructLayout(LayoutKind.Sequential)] internal struct TK_INFO { internal int iTPass_TKNum; // int internal int iReflec_TKNum; // int }   [StructLayout(LayoutKind.Sequential)] internal struct SLANTADJ_INFO_2 { internal CMYK_VAL cmykSln1; // CMYK_VAL internal CMYK_VAL cmykSln2; // CMYK_VAL internal uint dwReserved; // DWORD }   [SuppressUnmanagedCodeSecurityAttribute] internal class NativeMethods { [DllImport("mydll.dll", CharSet = CharSet.Unicode, SetLastError = true, EntryPoint = "GetDefaultPrintInfo")] internal static extern int GetDefaultPrintInfo(string lptPrinterName, out PRINTINFO lpPrtInfo); [DllImport("mydll.dll", CharSet = CharSet.Unicode, SetLastError = true, EntryPoint = "CreatePrintHandle")] internal static extern IntPtr CreatePrintHandle(string lptPrinterName, IntPtr lpPrtInfo); [DllImport("mydll.dll", CharSet = CharSet.Unicode, SetLastError = true, EntryPoint = "CreatePrintHandle")] internal static extern IntPtr CreatePrintHandle(string lptPrinterName, out PRINTINFO lpPrtInfo); [DllImport("mydll.dll", CharSet = CharSet.Unicode, SetLastError = true, EntryPoint = "StartJobCmd")] internal static extern int StartJobCmd(IntPtr hPrinter, PRINTCMD printcmd); [DllImport("mydll.dll", CharSet = CharSet.Unicode, SetLastError = true, EntryPoint = "CreateJobHandle")] internal static extern IntPtr CreateJobHandle(string lptPrinterName, IntPtr lpPrtInfo); [DllImport("mydll.dll", CharSet = CharSet.Unicode, SetLastError = true, EntryPoint = "OpenPort")] internal static extern IntPtr OpenPort(string lptPrinterName, string lptPortName, bool bAttribute); } }

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Mon code d'execution:

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NativeMethods.GetDefaultPrintInfo(nomImprimante, out DefaultPrintInfo); idPort = NativeMethods.OpenPort(nomImprimante, nomPort, false); Console.WriteLine("ID Port: " + idPort + " " + Marshal.GetLastWin32Error().ToString("X")); int length = Marshal.SizeOf(typeof(PRINTINFO)); IntPtr printInfoPtr = Marshal.AllocHGlobal(length); Marshal.StructureToPtr(DefaultPrintInfo, printInfoPtr,true); idPrinter = NativeMethods.CreatePrintHandle(nomImprimante, printInfoPtr); Console.WriteLine("ID Printer: " + idPrinter + " " + Marshal.GetLastWin32Error().ToString("X")); idPrinter = NativeMethods.CreatePrintHandle(nomImprimante, out DefaultPrintInfo); Console.WriteLine("ID Printer: " + idPrinter + " " + Marshal.GetLastWin32Error().ToString("X"));

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Désolé pour la longueur mais j'ai essayé de garder ce qui me semblait nécessaire pour la compréhension.
Si vous voyez des erreurs ou si vous avez une autre solution je suis preneur merci.