C# 调用调用C++ DLL的类型转换的类型转换
//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#: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
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