public void CreateFciContext(string cabFileName)
{
this.error = new NativeHelper.CabError();
NativeHelper.CompressionInfo cabInfo = new NativeHelper.CompressionInfo(cabFileName);
this.customData = new CustomCabData();
CustomDataHandle = GCHandle.Alloc(this.customData);
fciContext = NativeHelper.FCICreate(
this.error,
FciFilePlacedMethod,
FciAllocMemHandler,
FdiFreeMemHandler,
FciOpenMethod,
FciReadMethod,
FciWriteMethod,
FciCloseMethod,
FciSeekMethod,
FciDlDeleteMethod,
FciGetTempFileMethod,
cabInfo,
(IntPtr)CustomDataHandle);
if (this.customData.ErrorInfo != null)
{
throw this.customData.ErrorInfo;
}
}
private static IntPtr GetOpenInfo(
string fileName,
ref int date,
ref int time,
ref short attributes,
ref int error,
IntPtr data)
{
CustomCabData userData = (CustomCabData)((GCHandle)data).Target;
try
{
attributes = AttributeFlagsFromFileAttributes(File.GetAttributes(fileName));
var dateTime = File.GetLastWriteTime(fileName);
date = ConvertDate(dateTime);
time = ConvertTime(dateTime);
var stream = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.None);
return((IntPtr)GCHandle.Alloc(stream));
}
catch (IOException ex)
{
userData.ErrorInfo = ex;
error = 1;
return(IntPtr.Zero);
}
}