public void SetCreateFlags(CreateFlags createFlags)
{
if (this.MajorFunction != MajorFunction.IRP_MJ_CREATE)
throw new ExceptionIoFlow("SetCreateFlags: IRP is not of type IRP_MJ_CREATE.");
if (this.IsPostOp)
throw new ExceptionIoFlow("SetCreateFlags: invalid on PostOp callback.");
bool wasRead = ((Flags & (uint)HeaderFlags.HeaderFlagCrShareRead) != 0 ? true : false);
bool wasWrite = ((Flags & (uint)HeaderFlags.HeaderFlagCrShareWrite) != 0 ? true : false);
if (wasRead != createFlags.FILE_SHARE_READ || wasWrite != createFlags.FILE_SHARE_WRITE)
{
if (wasRead && !createFlags.FILE_SHARE_READ)
Flags &= ~(uint)HeaderFlags.HeaderFlagCrShareRead;
if (!wasRead && createFlags.FILE_SHARE_READ)
Flags |= (uint)HeaderFlags.HeaderFlagCrShareRead;
if (wasWrite && !createFlags.FILE_SHARE_WRITE)
Flags &= ~(uint)HeaderFlags.HeaderFlagCrShareWrite;
if (!wasWrite && createFlags.FILE_SHARE_WRITE)
Flags |= (uint)HeaderFlags.HeaderFlagCrShareWrite;
Flags |= (uint)HeaderFlags.HeaderFlagIsIrpModified;
}
}