Exemple #1
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    public static void Main()
    {
        // initialize all members
        DSBrowseInfo dsbi = new DSBrowseInfo();

        dsbi.structSize    = Marshal.SizeOf(dsbi);
        dsbi.dlgCaption    = "The container picker";
        dsbi.treeViewTitle = "Pick a container for this example.";

        dsbi.path     = new string( new char[MAX_PATH]);
        dsbi.pathSize = dsbi.path.Length;

        dsbi.flags = LibWrap.DSBI_ENTIREDIRECTORY;

        dsbi.objectClass     = new string( new char[MAX_PATH]);
        dsbi.objectClassSize = dsbi.objectClass.Length;

        Console.WriteLine("Call DSBrowseForContainer...");

        int status = LibWrap.DsBrowseForContainerW(ref dsbi);

        Console.WriteLine("The status is " + status);
        if (status == 1)
        {
            Console.WriteLine("The path is " + dsbi.path);
        }
        else
        {
            Console.WriteLine("Call failed!");
        }
    }
Exemple #2
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    public static void Main()
    {
        OpenFileName ofn = new OpenFileName();

        ofn.structSize = Marshal.SizeOf(ofn);

        ofn.filter = "Log files\0*.log\0Batch files\0*.bat\0";

        ofn.file    = new String(new char[256]);
        ofn.maxFile = ofn.file.Length;

        ofn.fileTitle    = new String(new char[64]);
        ofn.maxFileTitle = ofn.fileTitle.Length;

        ofn.initialDir = "C:\\";
        ofn.title      = "Open file called using platform invoke...";
        ofn.defExt     = "txt";

        if (LibWrap.GetOpenFileName(ofn))
        {
            Console.WriteLine("Selected file with full path: {0}", ofn.file);
            Console.WriteLine("Selected file name: {0}", ofn.fileTitle);
            Console.WriteLine("Offset from file name: {0}", ofn.fileOffset);
            Console.WriteLine("Offset from file extension: {0}", ofn.fileExtension);
        }
    }
Exemple #3
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    public static void Main()
    {
        FindData fd     = new FindData();
        IntPtr   handle = LibWrap.FindFirstFile("C:\\*.*", fd);

        Console.WriteLine("The first file: {0}", fd.fileName);
    }
Exemple #4
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    public static void Main()
    {
        DsBrowseInfo dsbi = new DsBrowseInfo
        {
            Size         = Marshal.SizeOf(typeof(DsBrowseInfo)),
            PathSize     = DsBrowseInfo.MAX_PATH,
            Caption      = "Container Selection Example",
            Title        = "Select a container from the list.",
            ReturnFormat = LibWrap.ADS_FORMAT_WINDOWS,
            Flags        = LibWrap.DSBI_ENTIREDIRECTORY,
            Root         = "LDAP:",
            Path         = new string(new char[DsBrowseInfo.MAX_PATH])
        };

        // Initialize remaining members...
        int status = LibWrap.DsBrowseForContainerW(ref dsbi);

        if ((LibWrap.BrowseStatus)status == LibWrap.BrowseStatus.BrowseOk)
        {
            Console.WriteLine(dsbi.Path);
        }
        else
        {
            Console.WriteLine("No path returned.");
        }
    }
Exemple #5
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    public static void Main()
    {
        Console.WriteLine("\nPassing OSVersionInfo as class");

        OSVersionInfo osvi = new OSVersionInfo();

        osvi.OSVersionInfoSize = Marshal.SizeOf(osvi);

        LibWrap.GetVersionEx(osvi);

        Console.WriteLine("Class size:    {0}", osvi.OSVersionInfoSize);
        Console.WriteLine("Major version: {0}", osvi.majorVersion);
        Console.WriteLine("Minor version: {0}", osvi.minorVersion);
        Console.WriteLine("Build number:  {0}", osvi.buildNumber);
        Console.WriteLine("Platform ID:   {0}", osvi.platformId);
        Console.WriteLine("Version:       {0}", osvi.versionString);

        Console.WriteLine("\nPassing OSVersionInfo as struct");

        OSVersionInfo2 osvi2 = new OSVersionInfo2();

        osvi2.OSVersionInfoSize = Marshal.SizeOf(osvi2);

        LibWrap.GetVersionEx2(ref osvi2);

        Console.WriteLine("Struct size:   {0}", osvi2.OSVersionInfoSize);
        Console.WriteLine("Major version: {0}", osvi2.majorVersion);
        Console.WriteLine("Minor version: {0}", osvi2.minorVersion);
        Console.WriteLine("Build number:  {0}", osvi2.buildNumber);
        Console.WriteLine("Platform ID:   {0}", osvi2.platformId);
        Console.WriteLine("Version:       {0}", osvi2.versionString);
    }
Exemple #6
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    public static void Main()
    {
        FPtr cb = new FPtr(App.DoSomething);

        LibWrap.TestCallBack(cb, 99);
        FPtr2 cb2 = new FPtr2(App.DoSomething2);

        LibWrap.TestCallBack2(cb2, "abc");
    }
Exemple #7
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    public static void Main()
    {
        Console.WriteLine("C# SysTime Sample using Platform Invoke");
        SystemTime st = new SystemTime();

        LibWrap.GetSystemTime(st);
        Console.Write("The Date is: ");
        Console.Write("{0} {1} {2}", st.month, st.day, st.year);
    }
Exemple #8
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    public static string OpenFilePanel(string filter, string defExt)
    {
        ++m_filePanelsRefCount;
        UnityEngine.Debug.Log("Incrementing FileExplorer ref count, new value: " + m_filePanelsRefCount);

        string filename = string.Empty;

#if UNITY_EDITOR
        filename = UnityEditor.EditorUtility.OpenFilePanel("Open file", "", defExt);
        if (filename == string.Empty)
        {
            --m_filePanelsRefCount;
            UnityEngine.Debug.Log("Decrementing FileExplorer ref count, new value: " + m_filePanelsRefCount);
            throw new FileExplorerExitException("Could not open file");
        }
#else
        UnityEngine.Debug.Log("Native file explorer: Preparing to create OpenFileName dialog");
        OpenFileName openChartFileDialog = new OpenFileName();

        UnityEngine.Debug.Log("Native file explorer: Preparing to set struct size");
        openChartFileDialog.structSize = Marshal.SizeOf(openChartFileDialog);
        UnityEngine.Debug.Log("Native file explorer: Preparing to set filter");
        openChartFileDialog.filter = filter;
        UnityEngine.Debug.Log("Native file explorer: Preparing to set file array");
        openChartFileDialog.file = new String(new char[256]);
        UnityEngine.Debug.Log("Native file explorer: Preparing to set max file length");
        openChartFileDialog.maxFile = openChartFileDialog.file.Length;
        UnityEngine.Debug.Log("Native file explorer: Preparing to set file title size");
        openChartFileDialog.fileTitle = new String(new char[64]);
        UnityEngine.Debug.Log("Native file explorer: Preparing to set max file title length");
        openChartFileDialog.maxFileTitle = openChartFileDialog.fileTitle.Length;

        UnityEngine.Debug.Log("Native file explorer: Preparing to set initial directory");
        openChartFileDialog.initialDir = "";
        UnityEngine.Debug.Log("Native file explorer: Preparing to set title");
        openChartFileDialog.title = "Open file";
        UnityEngine.Debug.Log("Native file explorer: Preparing to set defExt");
        openChartFileDialog.defExt = defExt;

        if (LibWrap.GetOpenFileName(openChartFileDialog))
        {
            filename = openChartFileDialog.file;
        }
        else
        {
            --m_filePanelsRefCount;
            UnityEngine.Debug.Log("Decrementing FileExplorer ref count, new value: " + m_filePanelsRefCount);
            throw new FileExplorerExitException("Could not open file");
        }
#endif

        --m_filePanelsRefCount;
        UnityEngine.Debug.Log("Decrementing FileExplorer ref count, new value: " + m_filePanelsRefCount);

        return(new string(filename.ToCharArray()));
    }
Exemple #9
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    public static void Main()
    {
        SystemTime st = new SystemTime();

        LibWrap.GetSystemTime(st);

        Console.Write("The Date and Time is: ");
        Console.Write("{0:00}/{1:00}/{2} at ", st.month, st.day, st.year);
        Console.WriteLine("{0:00}:{1:00}:{2:00}", st.hour, st.minute, st.second);
    }
Exemple #10
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    public static void Main()
    {
        IntPtr instancePtr = LibWrap.CreateTestClass();

        int res = LibWrap.TestThisCalling(instancePtr, 9);

        Console.WriteLine("\nResult: {0} \n", res);

        LibWrap.DeleteTestClass(instancePtr);
    }
Exemple #11
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    public static void Main()
    {
        // Call GetSystemDirectory.
        StringBuilder sysDirBuffer = new StringBuilder(256);

        LibWrap.GetSystemDirectory(sysDirBuffer, sysDirBuffer.Capacity);
        // ...
        // Call GetCommandLine.
        IntPtr cmdLineStr  = LibWrap.GetCommandLine();
        string commandLine = Marshal.PtrToStringAuto(cmdLineStr);
    }
Exemple #12
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    public static void Main()
    {
        TextWriter tw   = System.Console.Out;
        GCHandle   gch  = GCHandle.Alloc(tw);
        CallBack   cewp = new CallBack(CaptureEnumWindowsProc);

        // Platform invoke prevents the delegate from being garbage
        // collected before the call ends.
        LibWrap.EnumWindows(cewp, (IntPtr)gch);
        gch.Free();
    }
Exemple #13
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    public static void Run()
    {
        TextWriter tw  = System.Console.Out;
        GCHandle   gch = GCHandle.Alloc(tw);

        CallBack cewp = new CallBack(CaptureEnumWindowsProc);

        // platform invoke will prevent delegate to be garbage collected
        // before call ends

        LibWrap.EnumWindows(cewp, GCHandle.ToIntPtr(gch));
        gch.Free();
    }
Exemple #14
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 public static void Main()
 {
     LibWrap.MsgBox(0, "Correct text", "MsgBox Sample", 0);
     LibWrap.MsgBox2(0, "Incorrect text", "MsgBox Sample", 0);
     try
     {
         LibWrap.MsgBox3(0, "No such function", "MsgBox Sample", 0);
     }
     catch (EntryPointNotFoundException)
     {
         Console.WriteLine("EntryPointNotFoundException thrown as expected!");
     }
 }
Exemple #15
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    public static void Run()
    {
        FileStream    fs     = new FileStream("HandleRef.txt", FileMode.Open);
        HandleRef     hr     = new HandleRef(fs, fs.SafeFileHandle.DangerousGetHandle());
        StringBuilder buffer = new StringBuilder(5);
        int           read   = 0;

        // platform invoke will hold reference to HandleRef until call ends

        LibWrap.ReadFile(hr, buffer, 5, out read, 0);
        Console.WriteLine("Read with struct parameter: {0}", buffer);
        LibWrap.ReadFile2(hr, buffer, 5, out read, null);
        Console.WriteLine("Read with class parameter: {0}", buffer);
    }
Exemple #16
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    public static void Main()
    {
        Console.WriteLine("Calling SetData using AsAny... \n");
        LibWrap.SetData(LibWrap.DataType.DT_I2, (short)12);
        LibWrap.SetData(LibWrap.DataType.DT_I4, (long)12);
        LibWrap.SetData(LibWrap.DataType.DT_R4, (float)12);
        LibWrap.SetData(LibWrap.DataType.DT_R8, (double)12);
        LibWrap.SetData(LibWrap.DataType.DT_STR, "abcd");

        Console.WriteLine("\nCalling SetData using overloading... \n");
        double d = 12;

        LibWrap.SetData2(LibWrap.DataType.DT_R8, ref d);
        LibWrap.SetData2(LibWrap.DataType.DT_STR, "abcd");
    }
Exemple #17
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    public static void Main()
    {
        // If delagate will be used just inside one call, this syntax
        // is ok since platform invoke will protect delegate from GC
        // until call ends. If unmanaged side could store delegate and
        // try to use it later than caller should protect delegate until
        // unmanaged side is finished.

        FPtr cb = new FPtr(App.DoSomething);

        LibWrap.TestCallBack(cb, 99);

        FPtr2 cb2 = new FPtr2(App.DoSomething2);

        LibWrap.TestCallBack2(cb2, "abc");
    }
Exemple #18
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    public static unsafe void UsingUnsafePointer()
    {
        int             size;
        MyUnsafeStruct *pResult;

        LibWrap.TestOutArrayOfStructs(out size, &pResult);
        MyUnsafeStruct *pCurrent = pResult;

        for (int i = 0; i < size; i++, pCurrent++)
        {
            Console.WriteLine("Element {0}: {1} {2}", i,
                              Marshal.PtrToStringAnsi(pCurrent->buffer), pCurrent->size);
            Marshal.FreeCoTaskMem(pCurrent->buffer);
        }
        Marshal.FreeCoTaskMem((IntPtr)pResult);
    }
Exemple #19
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    public static void Main()
    {
        FileStream fs = new FileStream("HandleRef.txt", FileMode.Open);
        // Wraps the FileStream handle in HandleRef to prevent it
        // from being garbage collected before the call ends.
        HandleRef     hr     = new HandleRef(fs, fs.SafeFileHandle.DangerousGetHandle());
        StringBuilder buffer = new StringBuilder(5);
        int           read   = 0;

        // Platform invoke holds a reference to HandleRef until the call
        // ends.
        LibWrap.ReadFile(hr, buffer, 5, out read, IntPtr.Zero);
        Console.WriteLine("Read {0} bytes with struct parameter: {1}", read, buffer);
        LibWrap.ReadFile2(hr, buffer, 5, out read, null);
        Console.WriteLine("Read {0} bytes with class parameter: {1}", read, buffer);
    }
Exemple #20
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    public static void Main()
    {
        // call GetSystemDirectory
        StringBuilder sysDirBuffer = new StringBuilder(256);

        LibWrap.GetSystemDirectory(sysDirBuffer, sysDirBuffer.Capacity);
        Console.WriteLine("SysDir: {0}", sysDirBuffer);

        // call GetUserName
        StringBuilder userNameBuffer = new StringBuilder(128);
        int           size           = userNameBuffer.Capacity;

        LibWrap.GetUserName(userNameBuffer, ref size);
        Console.WriteLine("UserName: {0}", userNameBuffer);

        IntPtr cmdLineStr  = LibWrap.GetCommandLine();
        String commandLine = Marshal.PtrToStringAuto(cmdLineStr);

        Console.WriteLine("CommandLine: {0}", commandLine);
    }
Exemple #21
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    public static void Main()
    {
        int errCode = Marshal.GetLastWin32Error();

        Console.WriteLine("\nThe last error before MessageBox is called: {0}", errCode);

        Console.WriteLine("Calling MessageBox with wrong parameters...");
        int res = LibWrap.MessageBox(IntPtr.Zero, "Correct text", "PInvoke MsgBox Sample", 999);

        Console.WriteLine("Call result: {0}", res);

        errCode = Marshal.GetLastWin32Error();
        Console.WriteLine("The last error after MessageBox is called: {0}", errCode);

        StringBuilder buffer = new StringBuilder(256);

        LibWrap.FormatMessage(LibWrap.FORMAT_MESSAGE_FROM_SYSTEM, IntPtr.Zero, errCode, 0,
                              buffer, buffer.Capacity, IntPtr.Zero);
        Console.WriteLine("Error message: {0}", buffer);
    }
Exemple #22
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    public static void Main()
    {
        MyUnion mu = new MyUnion();

        mu.i = 99;
        LibWrap.TestUnion(mu, 1);

        mu.d = 99.99;
        LibWrap.TestUnion(mu, 2);

        MyUnion2_1 mu2_1 = new MyUnion2_1();

        mu2_1.i = 99;
        LibWrap.TestUnion2(mu2_1, 1);

        MyUnion2_2 mu2_2 = new MyUnion2_2();

        mu2_2.str = "*** string ***";
        LibWrap.TestUnion2(mu2_2, 2);
    }
Exemple #23
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    public static void UsingMarshaling()
    {
        int    size;
        IntPtr outArray;

        LibWrap.TestOutArrayOfStructs(out size, out outArray);
        MyStruct[] manArray = new MyStruct[size];
        IntPtr     current  = outArray;

        for (int i = 0; i < size; i++)
        {
            manArray[i] = new MyStruct();
            Marshal.PtrToStructure(current, manArray[i]);

            //Marshal.FreeCoTaskMem( (IntPtr)Marshal.ReadInt32( current ));
            Marshal.DestroyStructure(current, typeof(MyStruct));
            current = (IntPtr)((long)current + Marshal.SizeOf(manArray[i]));

            Console.WriteLine("Element {0}: {1} {2}", i, manArray[i].buffer,
                              manArray[i].size);
        }
        Marshal.FreeCoTaskMem(outArray);
    }
Exemple #24
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    public static void Main()
    {
        Console.WriteLine("\nPassing OSVersionInfo as a class");

        OSVersionInfo osvi = new OSVersionInfo();

        osvi.OSVersionInfoSize = Marshal.SizeOf(osvi);

        LibWrap.GetVersionEx(osvi);

        Console.WriteLine("Class size:    {0}", osvi.OSVersionInfoSize);
        Console.WriteLine("OS Version:    {0}.{1}", osvi.MajorVersion, osvi.MinorVersion);

        Console.WriteLine("\nPassing OSVersionInfo as a struct");

        OSVersionInfo2 osvi2 = new OSVersionInfo2();

        osvi2.OSVersionInfoSize = Marshal.SizeOf(osvi2);

        LibWrap.GetVersionEx2(ref osvi2);
        Console.WriteLine("Struct size:   {0}", osvi2.OSVersionInfoSize);
        Console.WriteLine("OS Version:    {0}.{1}", osvi2.MajorVersion, osvi2.MinorVersion);
    }
    public static string ShowWindowsDialog()
    {
        OpenFileName ofn = new OpenFileName();

        ofn.structSize = Marshal.SizeOf(ofn);

        ofn.filter = "0";

        ofn.file    = new String(new char[256]);
        ofn.maxFile = ofn.file.Length;

        ofn.fileTitle    = new String(new char[64]);
        ofn.maxFileTitle = ofn.fileTitle.Length;

        ofn.initialDir = "C:\\";
        ofn.title      = "Open file";
        ofn.defExt     = "";

        LibWrap.GetOpenFileName(ofn);

        Console.WriteLine("File Selection: " + ofn.file);
        return(ofn.file);
    }
Exemple #26
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    public static void Main()
    {
        // String as result.
        string str = LibWrap.TestStringAsResult();

        Console.WriteLine("\nString returned: {0}", str);

        // Initializes buffer and appends something to the end so the whole
        // buffer is passed to the unmanaged side.
        StringBuilder buffer = new StringBuilder("content", 100);

        buffer.Append((char)0);
        buffer.Append('*', buffer.Capacity - 8);

        MyStrStruct mss;

        mss.buffer = buffer.ToString();
        mss.size   = mss.buffer.Length;

        LibWrap.TestStringInStruct(ref mss);
        Console.WriteLine("\nBuffer after Unicode function call: {0}",
                          mss.buffer);

        StringBuilder buffer2 = new StringBuilder("content", 100);

        buffer2.Append((char)0);
        buffer2.Append('*', buffer2.Capacity - 8);

        MyStrStruct2 mss2;

        mss2.buffer = buffer2.ToString();
        mss2.size   = mss2.buffer.Length;

        LibWrap.TestStringInStructAnsi(ref mss2);
        Console.WriteLine("\nBuffer after Ansi function call: {0}",
                          mss2.buffer);
    }
Exemple #27
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        unsafe public static void serverThread()
        {
            UdpClient udpClient = new UdpClient(SERVER_PORT);

            string dataTemplate = "sync ";

            while (true)
            {
                IPEndPoint RemoteIpEndPoint = new IPEndPoint(IPAddress.Any, 0);
                Byte[]     receiveBytes     = udpClient.Receive(ref RemoteIpEndPoint);
                string     returnData       = Encoding.ASCII.GetString(receiveBytes);

                if (returnData.IndexOf(dataTemplate) != -1)
                {
                    SystemTime systime = new SystemTime();
                    LibWrap.GetSystemTime(systime);

                    int    startIndex = dataTemplate.Length;
                    int    allData    = returnData.Length;
                    string dataString = returnData.Substring(startIndex, allData - startIndex);

                    DateTime data = Convert.ToDateTime(dataString);

                    systime.Hour   = (ushort)data.Hour;
                    systime.Minute = (ushort)data.Minute;
                    systime.Second = (ushort)data.Second;

                    LibWrap.Win32SetSystemTime(systime);

                    Console.WriteLine("Время синхронизировано!");

                    break;
                }
            }

            // Console.ReadLine();
        }
    string GetAudioFile()
    {
        string audioFilepath = string.Empty;

#if UNITY_EDITOR
        audioFilepath = UnityEditor.EditorUtility.OpenFilePanel("Select Audio", "", "mp3,ogg,wav");
#else
        OpenFileName openAudioDialog = new OpenFileName();
        openAudioDialog = new OpenFileName();

        openAudioDialog.structSize = Marshal.SizeOf(openAudioDialog);

        openAudioDialog.file    = new String(new char[256]);
        openAudioDialog.maxFile = openAudioDialog.file.Length;

        openAudioDialog.fileTitle    = new String(new char[64]);
        openAudioDialog.maxFileTitle = openAudioDialog.fileTitle.Length;

        openAudioDialog.initialDir = "";
        openAudioDialog.title      = "Open file";
        openAudioDialog.defExt     = "txt";

        openAudioDialog.filter = "Audio files (*.ogg,*.mp3,*.wav)\0*.mp3;*.ogg;*.wav";

        if (LibWrap.GetOpenFileName(openAudioDialog))
        {
            audioFilepath = openAudioDialog.file;
        }
        else
        {
            throw new System.Exception("Could not open file");
        }
#endif

        return(audioFilepath);
    }
    public static void Main()
    {
        // Structure with a pointer to another structure.
        MyPerson personName;

        personName.first = "Mark";
        personName.last  = "Lee";

        MyPerson2 personAll;

        personAll.age = 30;

        IntPtr buffer = Marshal.AllocCoTaskMem(Marshal.SizeOf(personName));

        Marshal.StructureToPtr(personName, buffer, false);

        personAll.person = buffer;

        Console.WriteLine("\nPerson before call:");
        Console.WriteLine("first = {0}, last = {1}, age = {2}",
                          personName.first, personName.last, personAll.age);

        int res = LibWrap.TestStructInStruct(ref personAll);

        MyPerson personRes =
            (MyPerson)Marshal.PtrToStructure(personAll.person,
                                             typeof(MyPerson));

        Marshal.FreeCoTaskMem(buffer);

        Console.WriteLine("Person after call:");
        Console.WriteLine("first = {0}, last = {1}, age = {2}",
                          personRes.first, personRes.last, personAll.age);

        // Structure with an embedded structure.
        MyPerson3 person3 = new MyPerson3();

        person3.person.first = "John";
        person3.person.last  = "Evans";
        person3.age          = 27;
        LibWrap.TestStructInStruct3(person3);

        // Structure with an embedded array.
        MyArrayStruct myStruct = new MyArrayStruct();

        myStruct.flag    = false;
        myStruct.vals    = new int[3];
        myStruct.vals[0] = 1;
        myStruct.vals[1] = 4;
        myStruct.vals[2] = 9;

        Console.WriteLine("\nStructure with array before call:");
        Console.WriteLine(myStruct.flag);
        Console.WriteLine("{0} {1} {2}", myStruct.vals[0],
                          myStruct.vals[1], myStruct.vals[2]);

        LibWrap.TestArrayInStruct(ref myStruct);
        Console.WriteLine("\nStructure with array after call:");
        Console.WriteLine(myStruct.flag);
        Console.WriteLine("{0} {1} {2}", myStruct.vals[0],
                          myStruct.vals[1], myStruct.vals[2]);
    }
Exemple #30
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    public static void Main()
    {
        // array ByVal
        int[] array1 = new int[10];
        Console.WriteLine("Integer array passed ByVal before call:");
        for (int i = 0; i < array1.Length; i++)
        {
            array1[i] = i;
            Console.Write(" " + array1[i]);
        }
        int sum1 = LibWrap.TestArrayOfInts(array1, array1.Length);

        Console.WriteLine("\nSum of elements:" + sum1);
        Console.WriteLine("\nInteger array passed ByVal after call:");

        foreach (int i in array1)
        {
            Console.Write(" " + i);
        }

        // array ByRef
        int[] array2 = new int[10];
        int   size   = array2.Length;

        Console.WriteLine("\n\nInteger array passed ByRef before call:");
        for (int i = 0; i < array2.Length; i++)
        {
            array2[i] = i;
            Console.Write(" " + array2[i]);
        }
        IntPtr buffer = Marshal.AllocCoTaskMem(Marshal.SizeOf(size)
                                               * array2.Length);

        Marshal.Copy(array2, 0, buffer, array2.Length);

        int sum2 = LibWrap.TestRefArrayOfInts(ref buffer, ref size);

        Console.WriteLine("\nSum of elements:" + sum2);
        if (size > 0)
        {
            int[] arrayRes = new int[size];
            Marshal.Copy(buffer, arrayRes, 0, size);
            Marshal.FreeCoTaskMem(buffer);
            Console.WriteLine("\nInteger array passed ByRef after call:");
            foreach (int i in arrayRes)
            {
                Console.Write(" " + i);
            }
        }
        else
        {
            Console.WriteLine("\nArray after call is empty");
        }

        // matrix ByVal
        const int DIM = 5;

        int[,] matrix = new int[DIM, DIM];

        Console.WriteLine("\n\nMatrix before call:");
        for (int i = 0; i < DIM; i++)
        {
            for (int j = 0; j < DIM; j++)
            {
                matrix[i, j] = j;
                Console.Write(" " + matrix[i, j]);
            }
            Console.WriteLine("");
        }
        int sum3 = LibWrap.TestMatrixOfInts(matrix, DIM);

        Console.WriteLine("\nSum of elements:" + sum3);
        Console.WriteLine("\nMatrix after call:");
        for (int i = 0; i < DIM; i++)
        {
            for (int j = 0; j < DIM; j++)
            {
                Console.Write(" " + matrix[i, j]);
            }
            Console.WriteLine("");
        }

        // string array ByVal
        String[] strArray = { "one", "two", "three", "four", "five" };
        Console.WriteLine("\n\nString array before call:");
        foreach (String s in strArray)
        {
            Console.Write(" " + s);
        }
        int lenSum = LibWrap.TestArrayOfStrings(strArray, strArray.Length);

        Console.WriteLine("\nSum of string lengths:" + lenSum);
        Console.WriteLine("\nString array after call:");
        foreach (String s in strArray)
        {
            Console.Write(" " + s);
        }

        // struct array ByVal
        MyPoint[] points = { new MyPoint(1, 1), new MyPoint(2, 2), new MyPoint(3, 3) };
        Console.WriteLine("\n\nPoints array before call:");
        foreach (MyPoint p in points)
        {
            Console.WriteLine("x = {0}, y = {1}", p.x, p.y);
        }
        int allSum = LibWrap.TestArrayOfStructs(points, points.Length);

        Console.WriteLine("\nSum of points:" + allSum);
        Console.WriteLine("\nPoints array after call:");
        foreach (MyPoint p in points)
        {
            Console.WriteLine("x = {0}, y = {1}", p.x, p.y);
        }

        // struct with strings array ByVal
        MyPerson[] persons = { new MyPerson("Kim",  "Akers"),
                               new MyPerson("Adam", "Barr"), new MyPerson("Jo", "Brown") };

        Console.WriteLine("\n\nPersons array before call:");
        foreach (MyPerson pe in persons)
        {
            Console.WriteLine("first = {0}, last = {1}", pe.first, pe.last);
        }
        int namesSum = LibWrap.TestArrayOfStructs2(persons, persons.Length);

        Console.WriteLine("\nSum of name lengths:" + namesSum);
        Console.WriteLine("\n\nPersons array after call:");
        foreach (MyPerson pe in persons)
        {
            Console.WriteLine("first = {0}, last = {1}", pe.first, pe.last);
        }
    }