Import de DLL C++

**Boz88** · 24/07/2014, 11h54

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);
    }
}

Mon code d'execution:

Code :

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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"));

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.

Import de DLL C++

C#

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