C#与c++对应的类型
1 | C#调用C++的DLL搜集整理的所有数据类型转换方式-转载 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 | //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); */ |
【推荐】编程新体验,更懂你的AI,立即体验豆包MarsCode编程助手
【推荐】凌霞软件回馈社区,博客园 & 1Panel & Halo 联合会员上线
【推荐】抖音旗下AI助手豆包,你的智能百科全书,全免费不限次数
【推荐】博客园社区专享云产品让利特惠,阿里云新客6.5折上折
【推荐】轻量又高性能的 SSH 工具 IShell:AI 加持,快人一步
· .NET Core 托管堆内存泄露/CPU异常的常见思路
· PostgreSQL 和 SQL Server 在统计信息维护中的关键差异
· C++代码改造为UTF-8编码问题的总结
· DeepSeek 解答了困扰我五年的技术问题
· 为什么说在企业级应用开发中,后端往往是效率杀手?
· 10亿数据,如何做迁移?
· 推荐几款开源且免费的 .NET MAUI 组件库
· 清华大学推出第四讲使用 DeepSeek + DeepResearch 让科研像聊天一样简单!
· 易语言 —— 开山篇
· Trae初体验
2016-04-03 Expression<Func<T,TResult>>和Func<T,TResult>