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)
原文：https://www.cnblogs.com/wesson2019-blog/p/13815682.html