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思維：用結(jié)構(gòu)體作為中間變量，也就是傳遞結(jié)構(gòu)體，然后在C#中把結(jié)構(gòu)體中的數(shù)據(jù)放進(jìn)二維數(shù)組中。

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C#接收代碼的形式：（這里只是思路展示，非可運(yùn)行代碼）

[DllImport("myDLL.dll", CallingConvention = CallingConvention.Cdecl)]public static extern void myFunc([In][MarshalAs(UnmanagedType.LPArray, SizeConst = 0)] InStruct[] istruct, [Out] [MarshalAs(UnmanagedType.LPArray, SizeConst = 0)] OutStruct[] outstruct);public struct InStruct{public int x;public int y;public int z;}public struct OutStruct{public int x;public int y;public int z;}//把C++通過(guò)結(jié)構(gòu)體接收的數(shù)據(jù)，裝在二維數(shù)組中int[,] data = new int[3,100];InStruct[] instruct = new InStruct[100];OutStruct[] outstruct = new OutStruct[100];//在二維數(shù)組data中接收outstruct中的數(shù)據(jù)

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C++中封裝的形式：

struct InStruct {int x;int y;int z; }; struct OutStruct {int x;int y;int z; }; extern "C" __declspec(dllexport) void myFunc(InStruct *instruct, OutStruct *outstruct) {InStruct instruct[100];OutStruct outstruct[100];//使用結(jié)構(gòu)體對(duì)象傳進(jìn)來(lái)或者傳出去數(shù)據(jù)，可以把二維數(shù)組的數(shù)據(jù)先賦給結(jié)構(gòu)體 }

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總結(jié)

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