public DirEntry GetDirEntry(uint dirIndex)
{
try
{
DirEntry d = new DirEntry();
IntPtr buffer = Marshal.AllocHGlobal(Marshal.SizeOf(d.GetType()));
// ... send buffer to dll
cppToCsharpAdapter.getDirEntry(this.myDiskPointer, buffer, dirIndex);
Marshal.PtrToStructure(buffer, d);
// free allocate
Marshal.FreeHGlobal(buffer);
return(d);
}
catch (SEHException)
{
IntPtr cString = cppToCsharpAdapter.getLastDiskErrorMessage(this.myDiskPointer);
throw new Exception(Marshal.PtrToStringAnsi(cString));
}
}
public List <DirEntry> GetDirRoot()
{
try
{
List <DirEntry> list = new List <DirEntry>();
for (uint i = 0; i < 28; i++)
{
DirEntry idir = this.GetDirEntry(i);
if (idir.EntryStatus == '1')
{
list.Add(this.GetDirEntry(i));
}
}
return(list);
}
catch (SEHException)
{
IntPtr cString = cppToCsharpAdapter.getLastDiskErrorMessage(this.myDiskPointer);
throw new Exception(Marshal.PtrToStringAnsi(cString));
}
}
public DirEntry GetFileDescription()
{
try
{
DirEntry d = new DirEntry();
IntPtr buffer = Marshal.AllocHGlobal(Marshal.SizeOf(d.GetType()));
// ... send buffer to dll
cppToCsharpAdapter.getFileDesctription(this.myFCBpointer, buffer);
Marshal.PtrToStructure(buffer, d);
// free allocate
Marshal.FreeHGlobal(buffer);
return(d);
}
catch (SEHException)
{
IntPtr cString = cppToCsharpAdapter.getLastFcbErrorMessage(this.myFCBpointer);
string message = Marshal.PtrToStringAnsi(cString);
throw new Exception(message);
}
catch
{
throw;
}
}