ex-22-11

Programming Csharp Source Code(代码) Programming Csharp Source Code

// Example 22-11: Declaring Win32 API methods for import into a C# program

[DllImport("kernel32", SetLastError=true)]
static extern unsafe int CreateFile(
   string filename,
   uint desiredAccess,
   uint shareMode,
   uint attributes,   
   uint creationDisposition,
   uint flagsAndAttributes,
   uint templateFile);

[DllImport("kernel32", SetLastError=true)]
static extern unsafe bool ReadFile(
   int hFile,
   void* lpBuffer, 
   int nBytesToRead,
   int* nBytesRead, 
   int overlapped);