P/Invoke应用

Platform Invoke：提供了一种从托管代码访问并调用非托管代码的方法，应用场景包括从托管代码直接调用Win32 API或其他一些非托管代码实现的库等。

基本类型映射

** C/C++ **	C#	备注
HANDLE, LPDWORD, LPVOID, void*	IntPtr
LPCTSTR, LPCTSTR, LPSTR, char, const char, Wchar_t*, LPWSTR	String [in], StringBuilder [in, out]
DWORD, unsigned long, Ulong	UInt32, [MarshalAs(UnmanagedType.U4)]
bool	bool
LP	[In] ref
SIZE_T	uint
LPDWORD	out uint
LPTSTR	[Out] StringBuilder
PULARGE_INTEGER	out ulong
WORD	Uint16
Byte, unsigned char	Byte
Short	Int16
Long, int	Int32
float	single
double	double
NULL pointer	IntPtr.Zero
Uint	Uint32

结构体映射

winsiggen.exe(P/Invoke Interop Assistant version 1.0)