使用StructureToPtr将C#结构编写到C++我有C#类：namespaceModels{[StructLayout(LayoutKind.Explicit,Size=120,CharSet=CharSet.Unicode)]publicstructDynamicState{[FieldOffset(0)]publicdouble[]位置;[FieldOffset(24)]publicdouble[]速度；[FieldOffset(48)]publicdouble[]加速度；[FieldOffset(72)]publicdouble[]态度；[FieldOffset(96)]publicdouble[]AngularVelocity;}}和C++/CLI方法：Models::DynamicStateSomeClassClr::DoSomething(Models::DynamicStateds){intstruct_size=Marshal::SizeOf(ds);System::IntPtrptr=Marshal::AllocHGlobal(struct_size);动态状态结构ds_struct；struct_size=sizeof(ds_struct);元帅::StructureToPtr(ds,ptr,false);ds_struct=*(DynamicStateStruct*)ptr.ToPointer();模型::动态状态返回值；mpSomeClass->doSomething(ds_struct);返回返回值；}其中DynamicStateStruct是本机C++类：structDynamicStateStruct{doublemPosition[3];双mVelocity[3]；双mAcceleration[3]；双倍的m态度[3]；双mAngularVelocity[3]；};当我在本机C++中恢复结构(ds_struct)时，我没有得到正确的值，知道我遗漏了什么吗？试试这个变体：publicstructDynamicState{[MarshalAs(UnmanagedType.ByValArray,SizeConst=3)]publicdouble[]Position;[MarshalAs(UnmanagedType.ByValArray,SizeConst=3)]publicdouble[]Velocity;[MarshalAs(UnmanagedType.ByValArray,SizeConst=3)]publicdouble[]加速；[MarshalAs(UnmanagedType.ByValArray,SizeConst=3)]publicdouble[]态度；[MarshalAs(UnmanagedType.ByValArray,SizeConst=3)]publicdouble[]AngularVelocity;}另一种选择是在不安全代码中使用固定数组：publicunsafestructDynamicState{publicfixeddoublePosition[3];公共固定双速度[3]；公共固定双加速[3]；publicfixeddoubleAttitude[3];publicfixeddoubleAngularVelocity[3];PS一个很好的.Netinterop指南可以在这里找到：http://www.mono-project.com/Interop_with_Native_Libraries以上是C#学习教程：UsingStructureToPtrtoC#StructuremarshallingtoallthecontentbyC++sharedbyC++，如果对你有用，需要了解更多C#学习教程，希望大家多多关注——本文收集自网络，不代表立场。如涉及侵权，请点击右侧联系管理员删除。如需转载请注明出处：
