C#与C++之间类型的对应

Windows Data Type    .NET Data Type
BOOL, BOOLEAN    Boolean or Int32
BSTR    String
BYTE    Byte
CHAR    Char
DOUBLE    Double
DWORD    Int32 or UInt32
FLOAT    Single
HANDLE (and all other handle types, such as HFONT and HMENU)    IntPtr, UintPtr or HandleRef
HRESULT    Int32 or UInt32
INT    Int32
LANGID    Int16 or UInt16
LCID    Int32 or UInt32
LONG    Int32
LPARAM    IntPtr, UintPtr or Object
LPCSTR    String
LPCTSTR    String
LPCWSTR    String
LPSTR    String or StringBuilder*
LPTSTR    String or StringBuilder
LPWSTR    String or StringBuilder
LPVOID    IntPtr, UintPtr or Object
LRESULT    IntPtr
SAFEARRAY    .NET array type
SHORT    Int16
TCHAR    Char
UCHAR    SByte
UINT    Int32 or UInt32
ULONG    Int32 or UInt32
VARIANT    Object
VARIANT_BOOL    Boolean
WCHAR    Char
WORD    Int16 or UInt16
WPARAM    IntPtr, UintPtr or Object
另： 在进行string转换时，需要加入前缀[MarshalAs(UnmanagedType.LPStr)]lpdword 对应于 ref int