C#与c++对应的类型

C#调用C++的DLL搜集整理的所有数据类型转换方式-转载

//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#:public struct 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++:unsigned char --------------- c#:byte
//c++:unsigned char * ------------- c#:ref byte
//c++:unsigned char * ------------- c#:[MarshalAs(UnmanagedType.LPArray)] byte[]
//c++:unsigned char * ------------- c#:[MarshalAs(UnmanagedType.LPArray)] Intptr

//c++:unsigned char & ------------- c#:ref byte
//c++:unsigned char 变量名 --------- c#:byte 变量名
//c++:unsigned short 变量名 -------- c#:ushort 变量名
//c++:unsigned int 变量名 ---------- c#:uint 变量名
//c++:unsigned long 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)] public string 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#:ref string 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#:ref string 变量名
//c++:const char * ---------------- c#:string
//c++:char[] ---------------------- c#:string
//c++:char 变量名[数组大小] ---------- c#:[MarshalAs(UnmanagedType.ByValTStr,SizeConst=数组大小)] public string 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#:ref int
//c++:int & ------------------------ c#:ref int
//c++:int * ------------------------ c#:ref int //C#中调用前需定义int 变量名 = 0;

//c++:*int ------------------------- c#:IntPtr
//c++:int32 PIPTR * ---------------- c#:int32[]
//c++:float PIPTR * ---------------- c#:float[]

//c++:double** 数组名 --------------- c#:ref double 数组名
//c++:double*[] 数组名 -------------- c#:ref double 数组名
//c++:long ------------------------- c#:int
//c++:ulong ------------------------ c#:int

//c++:UINT8 * ---------------------- c#:ref byte //C#中调用前需定义byte 变量名 = new byte();

//c++:handle ----------------------- c#:IntPtr
//c++:hwnd ------------------------- c#:IntPtr

//c++:void * ----------------------- c#:IntPtr
//c++:void * user_obj_param -------- c#:IntPtr user_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, short int, INT16, SHORT ------------------------------------------ c#:System.Int16
//c++:int, long, long int, INT32, LONG32, BOOL , INT -------------------------- c#:System.Int32
//c++:__int64, INT64, LONGLONG ------------------------------------------------ c#:System.Int64
//c++:unsigned char, UINT8, UCHAR , BYTE -------------------------------------- c#:System.Byte
//c++:unsigned short, UINT16, USHORT, WORD, ATOM, WCHAR , __wchar_t ----------- c#:System.UInt16
//c++:unsigned, unsigned int, 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, long double, DOUBLE --------------------------------------------- c#:System.Double

//Win32 Types ----------------------------------------------------------------- CLR Type

//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，delegate static extern int FunCallBack(string str);

//unsigned char** ppImage替换成IntPtr ppImage
//int& nWidth替换成ref int nWidth
//int, int&, 则都可用 ref int 对应
//双针指类型参数，可以用 ref IntPtr
//函数指针使用c++: typedef double (fun_type1)(double); 对应 c#:public delegate double 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
/*

typedef void (CALLBACKFUN1W)(wchar_t, void* pArg);
typedef void (CALLBACKFUN1A)(char, void* pArg);
bool BIOPRINT_SENSOR_API dllFun1(CALLBACKFUN1 pCallbackFun1, void* pArg);
调用方式为
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
public delegate void CallbackFunc1([MarshalAs(UnmanagedType.LPWStr)] StringBuilder strName, IntPtr pArg);
*/