C#與C++數(shù)據(jù)類型比較及結(jié)構(gòu)體轉(zhuǎn)換[整理]

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//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(gè)結(jié)構(gòu)體實(shí)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(gè)字符用一個(gè)字節(jié)表示,C#中一個(gè)字符用兩個(gè)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(duì)象名稱 ---- c#:([MarshalAs(UnmanagedType.AsAny)]Object 對(duì)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(gè)Struct
//CallBack回調(diào)函數(shù)需要封裝在一個(gè)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(duì)應(yīng)
//雙針指類型參數(shù)碰煌，可以用 ref IntPtr
//函數(shù)指針使用c++: typedef double (fun_type1)(double); 對(duì)應(yīng) c#:public delegate double fun_type1(double);
//char* 的操作c++: char*; 對(duì)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(duì)應(yīng)public byte

WORD ushort
DWORD uint
UCHAR int/byte 大部分情況都可以使用int代替,而如果需要嚴(yán)格對(duì)齊的話則應(yīng)該用bytebyte
UCHAR* string/IntPtr
unsigned char* [MarshalAs(UnmanagedType.LPArray)]byte[]/？（Intptr）
char* string
LPCTSTR string
LPTSTR [MarshalAs(UnmanagedType.LPTStr)] string
long int
ulong uint
Handle IntPtr
HWND IntPtr
void* IntPtr
int int
int* ref int
*int IntPtr
unsigned int uint
COLORREF uint

API與C#的數(shù)據(jù)類型對(duì)應(yīng)關(guān)系表
API數(shù)據(jù)類型類型描述 C#類型 API數(shù)據(jù)類型類型描述 C#類型
WORD 16位無(wú)符號(hào)整數(shù) ushort CHAR 字符 char
LONG 32位無(wú)符號(hào)整數(shù) int DWORDLONG 64位長(zhǎng)整數(shù) long
DWORD 32位無(wú)符號(hào)整數(shù) uint HDC 設(shè)備描述表句柄 int
HANDLE 句柄,32位整數(shù) int HGDIOBJ GDI 對(duì)象句柄 int
UINT 32位無(wú)符號(hào)整數(shù) uint HINSTANCE 實(shí)例句柄 int
BOOL 32位布爾型整數(shù) bool HWM 窗口句柄 int
LPSTR 指向字符的32位指針 string HPARAM 32位消息參數(shù) int
LPCSTR 指向常字符的32位指針 String LPARAM 32位消息參數(shù) int
BYTE 字節(jié) byte WPARAM 32位消息參數(shù) int

BOOL = System.Int32
BOOLEAN = System.Int32
BYTE = System.UInt16
CHAR = System.Int16
COLORREF = System.UInt32
DWORD = System.UInt32
DWORD32 = System.UInt32
DWORD64 = System.UInt64
FLOAT = System.Float
HACCEL = System.IntPtr
HANDLE = System.IntPtr
HBITMAP = System.IntPtr
HBRUSH = System.IntPtr
HCONV = System.IntPtr
HCONVLIST = System.IntPtr
HCURSOR = System.IntPtr
HDC = System.IntPtr
HDDEDATA = System.IntPtr
HDESK = System.IntPtr
HDROP = System.IntPtr
HDWP = System.IntPtr
HENHMETAFILE = System.IntPtr
HFILE = System.IntPtr
HFONT = System.IntPtr
HGDIOBJ = System.IntPtr
HGLOBAL = System.IntPtr
HHOOK = System.IntPtr
HICON = System.IntPtr
HIMAGELIST = System.IntPtr
HIMC = System.IntPtr
HINSTANCE = System.IntPtr
HKEY = System.IntPtr
HLOCAL = System.IntPtr
HMENU = System.IntPtr
HMETAFILE = System.IntPtr
HMODULE = System.IntPtr
HMONITOR = System.IntPtr
HPALETTE = System.IntPtr
HPEN = System.IntPtr
HRGN = System.IntPtr
HRSRC = System.IntPtr
HSZ = System.IntPtr
HWINSTA = System.IntPtr
HWND = System.IntPtr
INT = System.Int32
INT32 = System.Int32
INT64 = System.Int64
LONG = System.Int32
LONG32 = System.Int32
LONG64 = System.Int64
LONGLONG = System.Int64
LPARAM = System.IntPtr
LPBOOL = System.Int16[]
LPBYTE = System.UInt16[]
LPCOLORREF = System.UInt32[]
LPCSTR = System.String
LPCTSTR = System.String
LPCVOID = System.UInt32
LPCWSTR = System.String
LPDWORD = System.UInt32[]
LPHANDLE = System.UInt32
LPINT = System.Int32[]
LPLONG = System.Int32[]
LPSTR = System.String
LPTSTR = System.String
LPVOID = System.UInt32
LPWORD = System.Int32[]
LPWSTR = System.String
LRESULT = System.IntPtr
PBOOL = System.Int16[]
PBOOLEAN = System.Int16[]
PBYTE = System.UInt16[]
PCHAR = System.Char[]
PCSTR = System.String
PCTSTR = System.String
PCWCH = System.UInt32
PCWSTR = System.UInt32
PDWORD = System.Int32[]
PFLOAT = System.Float[]
PHANDLE = System.UInt32
PHKEY = System.UInt32
PINT = System.Int32[]
PLCID = System.UInt32
PLONG = System.Int32[]
PLUID = System.UInt32
PSHORT = System.Int16[]
PSTR = System.String
PTBYTE = System.Char[]
PTCHAR = System.Char[]
PTSTR = System.String
PUCHAR = System.Char[]
PUINT = System.UInt32[]
PULONG = System.UInt32[]
PUSHORT = System.UInt16[]
PVOID = System.UInt32
PWCHAR = System.Char[]
PWORD = System.Int16[]
PWSTR = System.String
REGSAM = System.UInt32
SC_HANDLE = System.IntPtr
SC_LOCK = System.IntPtr
SHORT = System.Int16
SIZE_T = System.UInt32
SSIZE_ = System.UInt32
TBYTE = System.Char
TCHAR = System.Char
UCHAR = System.Byte
UINT = System.UInt32
UINT32 = System.UInt32
UINT64 = System.UInt64
ULONG = System.UInt32
ULONG32 = System.UInt32
ULONG64 = System.UInt64
ULONGLONG = System.UInt64
USHORT = System.UInt16
WORD = System.UInt16
WPARAM = System.IntPtr

Wtypes.h 中的非托管類型非托管C 語(yǔ)言類型托管類名說(shuō)明
HANDLE void* System.IntPtr 32 位
BYTE unsigned char System.Byte 8 位
SHORT short System.Int16 16 位
WORD unsigned short System.UInt16 16 位
INT int System.Int32 32 位
UINT unsigned int System.UInt32 32 位
LONG long System.Int32 32 位
BOOL long System.Int32 32 位
DWORD unsigned long System.UInt32 32 位
ULONG unsigned long System.UInt32 32 位
CHAR char System.Char 用 ANSI 修飾。
LPSTR char* System.String 或 System.StringBuilder 用 ANSI 修飾。
LPCSTR Const char* System.String 或 System.StringBuilder 用 ANSI 修飾杠河。
LPWSTR wchar_t* System.String 或 System.StringBuilder 用 Unicode 修飾蜗元。
LPCWSTR Const wchar_t* System.String 或 System.StringBuilder 用 Unicode 修飾。
FLOAT Float System.Single 32 位
DOUBLE Double System.Double 64 位

C/C++中的結(jié)構(gòu)類型數(shù)據(jù)在C#下的轉(zhuǎn)換

在做項(xiàng)目移植的時(shí)候罢维，經(jīng)常會(huì)碰到數(shù)據(jù)類型的轉(zhuǎn)換，而我這一次碰到的是C/C++中的結(jié)構(gòu)怎樣轉(zhuǎn)換到C#剿涮。折騰了一個(gè)晚上終于有一個(gè)完美的方案言津。
例如我們?cè)贑/C++下的結(jié)構(gòu)數(shù)據(jù)如下：

typedef struct
{
char sLibName[ 256 ];
char sPathToLibrary[ 256 ];
INT32 iEntries;
INT32 iUsed;
UINT16 iSort;
UINT16 iVersion;
BOOLEAN fContainsSubDirectories;
INT32 iReserved;
} LIBHEADER;

我們想把它轉(zhuǎn)成C#下的結(jié)構(gòu)類型如下：
public struct LIBHEADER
{
public char[] sLibName;
public char[] sPathToLibrary;
public Int32 iEntries;
public Int32 iUsed;
public UInt16 iSort;
public UInt16 iVersion;
public Boolean fContainsSubDirectories;
public Int32 iReserved;
}

看上去好像沒問(wèn)題了，呵呵呵取试，其實(shí)這樣是不行的悬槽，我們得再給C#編譯器一些信息，告訴它一些字符數(shù)組的大小瞬浓。然后它們?cè)贑#下面長(zhǎng)得樣子就變成這樣：

[StructLayout(LayoutKind.Sequential)]
public struct LIBHEADER
{
    [MarshalAs(UnmanagedType.ByValArray, SizeConst = 256)]
    public char[] sLibName;
    [MarshalAs(UnmanagedType.ByValArray, SizeConst = 256)]
    public char[] sPathToLibrary;
    public Int32 iEntries;
    public Int32 iUsed;
    public UInt16 iSort;
    public UInt16 iVersion;
    public Boolean fContainsSubDirectories;
    public Int32 iReserved;
}

然后寫一個(gè)函數(shù)負(fù)責(zé)轉(zhuǎn)換初婆。
public StructType ConverBytesToStructure<StructType>(byte[] bytesBuffer)
{
// 檢查長(zhǎng)度。
if (bytesBuffer.Length != Marshal.SizeOf(typeof(StructType)))
{
throw new ArgumentException("bytesBuffer參數(shù)和structObject參數(shù)字節(jié)長(zhǎng)度不一致猿棉。");
}

        IntPtr bufferHandler = Marshal.AllocHGlobal(bytesBuffer.Length);
        for (int index = 0; index < bytesBuffer.Length; index++)
        {
            Marshal.WriteByte(bufferHandler, index, bytesBuffer[index]);
        }
        StructType structObject = (StructType)Marshal.PtrToStructure(bufferHandler, typeof(StructType));
        Marshal.FreeHGlobal(bufferHandler);
        return structObject;
    }
   
然后我們的函數(shù)用例是這樣：
        FileStream file = File.OpenRead(@"D:/Jagged Alliance 2 Gold/INSTALL.LOG");
        byte[] buffer = new byte[Marshal.SizeOf(typeof(LIBHEADER))];
        file.Read(buffer, 0, buffer.Length);
        LIBHEADER testValue = CommonTools.ConverBytesToStructure<LIBHEADER>(buffer);
         string libName = new string(testValue.sLibName);
         string pathToLibrary = new string(testValue.sPathToLibrary);

OK,搞定磅叛。
如果想去掉后面兩句的char數(shù)組的轉(zhuǎn)換哪代碼如下

C#中的結(jié)構(gòu)代碼
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
public struct LIBHEADER
{
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 256)]
public string sLibName;
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 256)]
public string sPathToLibrary;
public Int32 iEntries;
public Int32 iUsed;
public UInt16 iSort;
public UInt16 iVersion;
public Boolean fContainsSubDirectories;
public Int32 iReserved;
}

其它代碼不用作修改便可使用

來(lái)自:http://blog.sina.com.cn/s/blog_88531fdd0100xk9g.html

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