internal MemoryStream GetEmfMemoryStream(Sheet sheet)
{
HRESULT hr = HRESULT.E_FAIL;
IStorage viewerStorage = null;
IStream emzStream = null;
MemoryStream memoryStream = null;
try
{
Marshal.ThrowExceptionForHR(hr = RootStorage.OpenStorage(StorageName.JDraftViewerInfo, out viewerStorage));
Marshal.ThrowExceptionForHR(hr = viewerStorage.OpenStream(sheet.StreamName, out emzStream));
memoryStream = emzStream.DecompressZlib();
}
catch
{
}
finally
{
if (emzStream != null)
{
emzStream.FinalRelease();
}
if (viewerStorage != null)
{
viewerStorage.FinalRelease();
}
}
return(memoryStream);
}
private void LoadZones()
{
HRESULT hr = HRESULT.S_OK;
List <Zone> list = new List <Zone>();
IStorage storage = null;
try
{
if (NativeMethods.Succeeded(hr = RootStorage.OpenStorage(StorageName.Zones, out storage)))
{
System.Runtime.InteropServices.ComTypes.STATSTG[] elements;
if (NativeMethods.Succeeded(hr = storage.EnumElements(out elements)))
{
foreach (System.Runtime.InteropServices.ComTypes.STATSTG element in elements)
{
if ((STGTY)element.type == STGTY.STREAM)
{
list.Add(new Zone(element.pwcsName));
}
}
}
}
}
catch
{
}
finally
{
if (storage != null)
{
storage.FinalRelease();
}
}
_zones = list.ToArray();
}
