private void writeToFileStream(RecMasterHdr rec)
{
byte[] buffer = new byte[RecMasterSize];
GCHandle gcHandle = GCHandle.Alloc(buffer, GCHandleType.Pinned);
Marshal.StructureToPtr(rec, gcHandle.AddrOfPinnedObject(), true);
metastockGlobals.Fs1.Write(buffer, 0, RecMasterSize);
gcHandle.Free();
}
private void readFromFileStream(ref RecMasterHdr rec)
{
byte[] buffer = new byte[RecMasterSize];
int offset = 0;
while (offset < buffer.Length)
{
offset += metastockGlobals.Fs1.Read(buffer, offset, buffer.Length - offset);
}
GCHandle gcHandle = GCHandle.Alloc(buffer, GCHandleType.Pinned);
rec = (RecMasterHdr)Marshal.PtrToStructure(gcHandle.AddrOfPinnedObject(),
typeof(RecMasterHdr));
gcHandle.Free();
}
public DirHdr(MsGlobals msglobal)
{
metastockGlobals = msglobal;
masterHeader = new RecMasterHdr();
emasterHeader = new RecEmasterHdr();
xmasterHeader = new RecXmasterHdr();
if (File.Exists(metastockGlobals.Fs1Pth) && metastockGlobals.Fs1 != null)
{
readFromFileStream(ref masterHeader);
}
if (File.Exists(metastockGlobals.Fs2Pth) && metastockGlobals.Fs2 != null)
{
readFromFileStream(ref emasterHeader);
}
if (!File.Exists(metastockGlobals.Fs3Pth) || metastockGlobals.Fs3 == null)
{
return;
}
readFromFileStream(ref xmasterHeader);
}