//C++中的DLL函数原型为
//extern"C"__declspec(dllexport)bool方法名一(constchar*变量名1,unsignedchar*变量名2)
//extern"C"__declspec(dllexport)bool方法名二(constunsignedchar*变量名1,char*变量名2)
//C#调用C++的DLL搜集整理的所有数据类型转换方式,可能会有重复或者多种方案,自己多测试
//c++:HANDLE(void *) ---- c#:System.IntPtr
//c++:Byte(unsigned char) ---- c#:System.Byte
//c++:SHORT(short) ---- c#:System.Int16
//c++:WORD(unsigned short) ---- c#:System.UInt16
//c++:INT(int) ---- c#:System.Int16
//c++:INT(int) ---- c#:System.Int32
//c++:UINT(unsigned int) ---- c#:System.UInt16
//c++:UINT(unsigned int) ---- c#:System.UInt32
//c++:LONG(long) ---- c#:System.Int32
//c++:ULONG(unsigned long) ---- c#:System.UInt32
//c++:DWORD(unsigned long) ---- c#:System.UInt32
//c++:DECIMAL ---- c#:System.Decimal
//c++:BOOL(long) ---- c#:System.Boolean
//c++:CHAR(char) ---- c#:System.Char
//c++:LPSTR(char *) ---- c#:System.String
//c++:LPWSTR(wchar_t *) ---- c#:System.String
//c++:LPCSTR(const char *) ---- c#:System.String
//c++:LPCWSTR(const wchar_t *) ---- c#:System.String
//c++:PCAHR(char *) ---- c#:System.String
//c++:BSTR ---- c#:System.String
//c++:FLOAT(float) ---- c#:System.Single
//c++:DOUBLE(double) ---- c#:System.Double
//c++:VARIANT ---- c#:System.Object
//c++:PBYTE(byte *) ---- c#:System.Byte[]
//c++:BSTR ---- c#:StringBuilder
//c++:LPCTSTR ---- c#:StringBuilder
//c++:LPCTSTR ---- c#:string
//c++:LPTSTR ---- c#:[MarshalAs(UnmanagedType.LPTStr)]string
//c++:LPTSTR输出变量名 ---- c#:StringBuilder输出变量名
//c++:LPCWSTR ---- c#:IntPtr
//c++:BOOL ---- c#:bool
//c++:HMODULE ---- c#:IntPtr
//c++:HINSTANCE---- c#:IntPtr
//c++:结构体 ---- c#:publicstruct结构体{};
//c++:结构体**变量名 ---- c#:out变量名 //C#中提前申明一个结构体实例化后的变量名
//c++:结构体&变量名 ---- c#:ref结构体变量名
//c++:WORD ---- c#:ushort
//c++:DWORD ---- c#:uint
//c++:DWORD ---- c#:int
//c++:UCHAR ---- c#:int
//c++:UCHAR ---- c#:byte
//c++:UCHAR* ---- c#:string
//c++:UCHAR* ---- c#:IntPtr
//c++:GUID ---- c#:Guid
//c++:Handle ---- c#:IntPtr
//c++:HWND ---- c#:IntPtr
//c++:DWORD ---- c#:int
//c++:COLORREF ---- c#:uint
//c++:unsignedchar ---- c#:byte
//c++:unsignedchar* ---- c#:refbyte
//c++:unsignedchar* ---- c#:[MarshalAs(UnmanagedType.LPArray)]byte[]
//c++:unsignedchar* ---- c#:[MarshalAs(UnmanagedType.LPArray)]Intptr
//c++:unsignedchar& ---- c#:refbyte
//c++:unsignedchar变量名 ---- c#:byte变量名
//c++:unsignedshort变量名 ---- c#:ushort变量名
//c++:unsignedint变量名 ---- c#:uint变量名
//c++:unsignedlong变量名 ---- c#:ulong变量名
//c++:char变量名 ---- c#:byte变量名 //C++中一个字符用一个字节表示,C#中一个字符用两个字节表示
//c++:char数组名[数组大小] ---- c#:MarshalAs(UnmanagedType.ByValTStr,SizeConst=数组大小)]publicstring数组名;ushort
//c++:char* ---- c#:string //传入参数
//c++:char* ---- c#:StringBuilder//传出参数
//c++:char*变量名 ---- c#:refstring变量名
//c++:char*输入变量名 ---- c#:string输入变量名
//c++:char*输出变量名 ---- c#:[MarshalAs(UnmanagedType.LPStr)]StringBuilder输出变量名
//c++:char** ---- c#:string
//c++:char**变量名 ---- c#:refstring变量名
//c++:constchar* ---- c#:string
//c++:char[] ---- c#:string
//c++:char变量名[数组大小] ---- c#:[MarshalAs(UnmanagedType.ByValTStr,SizeConst=数组大小)]publicstring变量名;
//c++:struct结构体名*变量名 ---- c#:ref结构体名变量名
//c++:委托变量名 ---- c#:委托变量名
//c++:int ---- c#:int
//c++:int ---- c#:refint
//c++:int& ---- c#:refint
//c++:int* ---- c#:refint //C#中调用前需定义int变量名=0;
//c++:*int ---- c#:IntPtr
//c++:int32PIPTR* ---- c#:int32[]
//c++:floatPIPTR* ---- c#:float[]
//c++:double**数组名 ---- c#:refdouble数组名
//c++:double*[]数组名 ---- c#:refdouble数组名
//c++:long ---- c#:int
//c++:ulong ---- c#:int
//c++:UINT8* ---- c#:refbyte //C#中调用前需定义byte变量名=newbyte();
//c++:handle ---- c#:IntPtr
//c++:hwnd ---- c#:IntPtr
//c++:void* ---- c#:IntPtr
//c++:void*user_obj_param ---- c#:IntPtruser_obj_param
//c++:void*对象名称 ---- c#:([MarshalAs(UnmanagedType.AsAny)]Object对象名称
//c++:char,INT8,SBYTE,CHAR ---- c#:System.SByte
//c++:short,shortint,INT16,SHORT ---- c#:System.Int16
//c++:int,long,longint,INT32,LONG32,BOOL,INT---- c#:System.Int32
//c++:__int64,INT64,LONGLONG ---- c#:System.Int64
//c++:unsignedchar,UINT8,UCHAR,BYTE ---- c#:System.Byte
//c++:unsignedshort,UINT16,USHORT,WORD,ATOM,WCHAR,__wchar_t ---- c#:System.UInt16
//c++:unsigned,unsignedint,UINT32,ULONG32,DWORD32,ULONG,DWORD,UINT ---- c#:System.UInt32
//c++:unsigned__int64,UINT64,DWORDLONG,ULONGLONG ---- c#:System.UInt64
//c++:float,FLOAT ---- c#:System.Single
//c++:double,longdouble,DOUBLE ---- c#:System.Double
//Win32Types---- CLRType
//Struct需要在C#里重新定义一个Struct
//CallBack回调函数需要封装在一个委托里，delegatestaticexternintFunCallBack(stringstr);
//unsignedchar**ppImage替换成IntPtrppImage
//int&nWidth替换成refintnWidth
//int*,int&,则都可用refint对应
//双针指类型参数，可以用refIntPtr
//函数指针使用c++:typedefdouble(*fun_type1)(double);对应c#:publicdelegatedouble fun_type1(double);
//char*的操作c++:char*;对应c#:StringBuilder;
//c#中使用指针:在需要使用指针的地方加unsafe
//unsigned char对应public byte
/*
*typedefvoid(*CALLBACKFUN1W)(wchar_t*,void*pArg);
*typedefvoid(*CALLBACKFUN1A)(char*,void*pArg);
*boolBIOPRINT_SENSOR_APIdllFun1(CALLBACKFUN1pCallbackFun1,void*pArg);
*调用方式为
*[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
*publicdelegatevoidCallbackFunc1([MarshalAs(UnmanagedType.LPWStr)]StringBuilderstrName,IntPtrpArg);
*
*
*/