回答編集履歴
3
修正
test
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@@ -46,15 +46,7 @@
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/// <summary>
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//
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//Dataを逆並びにするだけの関数
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/// </summary>
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/// <param name="stIn">入力側構造体</param>
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/// <param name="stOut">出力側構造体</param>
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[DllImport("DllTest.dll", CallingConvention = CallingConvention.StdCall)]
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サンプル追記
test
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@@ -5,3 +5,179 @@
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[uint配列を含む構造体の共有メモリへのマッピング](https://teratail.com/questions/302213)
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[ネイティブ相互運用性](https://docs.microsoft.com/ja-jp/dotnet/standard/native-interop/)
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---
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苦戦されているようなので、簡単なサンプルを追記します。
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```CS
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using System;
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using System.Diagnostics;
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using System.Runtime.InteropServices;
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namespace ConsoleApp1
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{
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class Program
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{
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[StructLayout(LayoutKind.Sequential)]
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public struct STRUCT_CS
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{
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 10)]
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public byte[] Data;
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};
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/// <summary>
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/// Dataを逆並びにするだけの関数。
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/// </summary>
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/// <param name="stIn">入力側構造体</param>
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/// <param name="stOut">出力側構造体</param>
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[DllImport("DllTest.dll", CallingConvention = CallingConvention.StdCall)]
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static extern void Test([In]ref STRUCT_CS stIn, [Out]out STRUCT_CS stOut);
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static void Main(string[] args)
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{
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try
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{
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var stIn = new STRUCT_CS();
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var stOut = new STRUCT_CS();
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//入力側構造体に0-9をセット
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stIn.Data = new byte[10];
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for (var i = 0; i < stIn.Data.Length; i++)
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{
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stIn.Data[i] = (byte)i;
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}
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//入力側の内容を逆並びにする
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Test(ref stIn, out stOut);
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//出力側構造体の中身を表示
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for (var i = 0; i < stOut.Data.Length; i++)
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{
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Console.WriteLine(stOut.Data[i]);
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}
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}
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catch (Exception ex)
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{
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Debug.WriteLine(ex.ToString());
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}
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Console.ReadLine();
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}
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}
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}
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(実行結果)
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1
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0
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```
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一応DLL側も
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```C++
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typedef struct {
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unsigned char Data[10];
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} STRUCT_CPP;
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extern void __stdcall Test(STRUCT_CPP* pstIn, STRUCT_CPP* pstOut)
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{
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for (int i=0; i<10; i++)
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{
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pstOut->Data[9-i] = pstIn->Data[i];
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}
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}
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```
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1
追記
test
CHANGED
|
@@ -1,3 +1,7 @@
|
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1
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構造体の宣言がC++側と合っていないですね。
|
|
2
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+
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1
3
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こちらが参考になるかもしれません。
|
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2
4
|
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3
5
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[uint配列を含む構造体の共有メモリへのマッピング](https://teratail.com/questions/302213)
|
|
6
|
+
|
|
7
|
+
[ネイティブ相互運用性](https://docs.microsoft.com/ja-jp/dotnet/standard/native-interop/)
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