- 論壇徽章:
- 0
|
本帖最后由 keehoo 于 2011-12-20 12:22 編輯
C++中的DLL函數(shù)原型為
- //extern "C" __declspec(dllexport) bool 方法名一(const char* 變量名1, unsigned char* 變量名2)
- //extern "C" __declspec(dllexport) bool 方法名二(const unsigned char* 變量名1, char* 變量名2)
- //C#調(diào)用C++的DLL搜集整理的所有數(shù)據(jù)類型轉(zhuǎn)換方式,可能會有重復(fù)或者多種方案,自己多測試
- //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 輸出變量名 ---- c#:StringBuilder 輸出變量名
- //c++:LPCWSTR ---- c#:IntPtr
- //c++:BOOL ---- c#:bool
- //c++:HMODULE ---- c#:IntPtr
- //c++:HINSTANCE ---- c#:IntPtr
- //c++:結(jié)構(gòu)體 ---- c#:public struct 結(jié)構(gòu)體{};
- //c++:結(jié)構(gòu)體 **變量名 ---- c#:out 變量名 //C#中提前申明一個結(jié)構(gòu)體實例化后的變量名
- //c++:結(jié)構(gòu)體 &變量名 ---- c#:ref 結(jié)構(gòu)體 變量名
- //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 變量名 ---- c#:byte 變量名
- //c++:unsigned short 變量名 ---- c#:ushort 變量名
- //c++:unsigned int 變量名 ---- c#:uint 變量名
- //c++:unsigned long 變量名 ---- c#:ulong 變量名
- //c++:char 變量名 ---- c#:byte 變量名 //C++中一個字符用一個字節(jié)表示,C#中一個字符用兩個字節(jié)表示
- //c++:char 數(shù)組名[數(shù)組大小] ---- c#:MarshalAs(UnmanagedType.ByValTStr, SizeConst = 數(shù)組大小)] public string 數(shù)組名; ushort
- //c++:char * ---- c#:string //傳入?yún)?shù)
- //c++:char * ---- c#:StringBuilder//傳出參數(shù)
- //c++:char *變量名 ---- c#:ref string 變量名
- //c++:char *輸入變量名 ---- c#:string 輸入變量名
- //c++:char *輸出變量名 ---- c#:[MarshalAs(UnmanagedType.LPStr)] StringBuilder 輸出變量名
- //c++:char ** ---- c#:string
- //c++:char **變量名 ---- c#:ref string 變量名
- //c++:const char * ---- c#:string
- //c++:char[] ---- c#:string
- //c++:char 變量名[數(shù)組大小] ---- c#:[MarshalAs(UnmanagedType.ByValTStr,SizeConst=數(shù)組大小)] public string 變量名;
- //c++:struct 結(jié)構(gòu)體名 *變量名 ---- c#:ref 結(jié)構(gòu)體名 變量名
- //c++:委托 變量名 ---- c#:委托變量名
- //c++:int ---- c#:int
- //c++:int ---- c#:ref int
- //c++:int & ---- c#:ref int
- //c++:int * ---- c#:ref int //C#中調(diào)用前需定義int 變量名 = 0;
- //c++:*int ---- c#:IntPtr
- //c++:int32 PIPTR * ---- c#:int32[]
- //c++:float PIPTR * ---- c#:float[]
-
- //c++:double** 數(shù)組名 ---- c#:ref double 數(shù)組名
- //c++:double*[] 數(shù)組名 ---- c#:ref double 數(shù)組名
- //c++:long ---- c#:int
- //c++:ulong ---- c#:int
-
- //c++:UINT8 * ---- c#:ref byte //C#中調(diào)用前需定義byte 變量名 = 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 * 對象名稱 ---- c#:([MarshalAs(UnmanagedType.AsAny)]Object 對象名稱
-
- //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#里重新定義一個Struct
- //CallBack回調(diào)函數(shù)需要封裝在一個委托里,delegate static extern int FunCallBack(string str);
- //unsigned char** ppImage替換成IntPtr ppImage
- //int& nWidth替換成ref int nWidth
- //int*, int&, 則都可用 ref int 對應(yīng)
- //雙針指類型參數(shù),可以用 ref IntPtr
- //函數(shù)指針使用c++: typedef double (*fun_type1)(double); 對應(yīng) c#:public delegate double fun_type1(double);
- //char* 的操作c++: char*; 對應(yīng) c#:StringBuilder;
- //c#中使用指針:在需要使用指針的地方 加 unsafe
- //unsigned char對應(yīng)public byte
復(fù)制代碼 轉(zhuǎn)載自:http://blog.sina.com.cn/s/blog_3f8378920100wkfx.html |
|