public unsafe int WriteBlocks(int NumBytesToWrite)
{
int num = 0;
int num2 = 0;
byte *ptr = (byte *)this.pBuffer;
int num3 = NumBytesToWrite;
while (true)
{
int num4 = Math.Min(num3, 65536);
if (!WinFileIO.WriteFile(this.pHandle, (void *)ptr, num4, &num, 0))
{
break;
}
ptr += num4;
num2 += num4;
num3 -= num4;
if (num3 <= 0)
{
return(num2);
}
}
Win32Exception ex = new Win32Exception();
ApplicationException ex2 = new ApplicationException("WinFileIO:WriteBlocks - Error occurred writing a file. - " + ex.Message);
throw ex2;
}
public unsafe int ReadBlocks(int BytesToRead)
{
int num = 0;
int num2 = 0;
byte *ptr = (byte *)this.pBuffer;
while (true)
{
int numberOfBytesToRead = Math.Min(65536, BytesToRead - num2);
if (!WinFileIO.ReadFile(this.pHandle, (void *)ptr, numberOfBytesToRead, &num, 0))
{
break;
}
if (num == 0)
{
return(num2);
}
num2 += num;
ptr += num;
if (num2 >= BytesToRead)
{
return(num2);
}
}
Win32Exception ex = new Win32Exception();
ApplicationException ex2 = new ApplicationException("WinFileIO:ReadBytes - Error occurred reading a file. - " + ex.Message);
throw ex2;
}
public void OpenForWriting(string FileName)
{
this.Close();
this.pHandle = WinFileIO.CreateFile(FileName, 1073741824u, 0u, 0u, 2u, 0u, 0);
if (this.pHandle == IntPtr.Zero)
{
Win32Exception ex = new Win32Exception();
ApplicationException ex2 = new ApplicationException("WinFileIO:OpenForWriting - Could not open file " + FileName + " - " + ex.Message);
throw ex2;
}
}
public bool Close()
{
bool result = true;
if (this.pHandle != IntPtr.Zero)
{
result = WinFileIO.CloseHandle(this.pHandle);
this.pHandle = IntPtr.Zero;
}
return(result);
}
public unsafe int Write(int BytesToWrite)
{
int result;
if (!WinFileIO.WriteFile(this.pHandle, this.pBuffer, BytesToWrite, &result, 0))
{
Win32Exception ex = new Win32Exception();
ApplicationException ex2 = new ApplicationException("WinFileIO:Write - Error occurred writing a file. - " + ex.Message);
throw ex2;
}
return(result);
}
public unsafe int Read(int BytesToRead)
{
int result = 0;
if (!WinFileIO.ReadFile(this.pHandle, this.pBuffer, BytesToRead, &result, 0))
{
Win32Exception ex = new Win32Exception();
ApplicationException ex2 = new ApplicationException("WinFileIO:Read - Error occurred reading a file. - " + ex.Message);
throw ex2;
}
return(result);
}
public unsafe int ReadUntilEOF()
{
int num = 0;
int num2 = 0;
byte *ptr = (byte *)this.pBuffer;
while (WinFileIO.ReadFile(this.pHandle, (void *)ptr, 65536, &num, 0))
{
if (num == 0)
{
return(num2);
}
num2 += num;
ptr += num;
}
Win32Exception ex = new Win32Exception();
ApplicationException ex2 = new ApplicationException("WinFileIO:ReadUntilEOF - Error occurred reading a file. - " + ex.Message);
throw ex2;
}
