public PersistablePropertyBag CreateAttachment(ICollection <PropertyDefinition> propertiesToLoad, CoreAttachment attachmentToClone, IItem itemToAttach, out int attachmentNumber) { MapiAttach mapiAttach = null; PersistablePropertyBag persistablePropertyBag = null; bool flag = false; int num = 0; try { StoreSession session = this.AttachmentCollection.ContainerItem.Session; bool flag2 = false; try { if (session != null) { session.BeginMapiCall(); session.BeginServerHealthCall(); flag2 = true; } if (StorageGlobals.MapiTestHookBeforeCall != null) { StorageGlobals.MapiTestHookBeforeCall(MethodBase.GetCurrentMethod()); } mapiAttach = this.AttachmentCollection.ContainerItem.MapiMessage.CreateAttach(out num); } catch (MapiPermanentException ex) { throw StorageGlobals.TranslateMapiException(ServerStrings.MapiCannotOpenAttachment, ex, session, this, "{0}. MapiException = {1}.", new object[] { string.Format("MapiAttachmentProvider::CreateMapiAttachment", new object[0]), ex }); } catch (MapiRetryableException ex2) { throw StorageGlobals.TranslateMapiException(ServerStrings.MapiCannotOpenAttachment, ex2, session, this, "{0}. MapiException = {1}.", new object[] { string.Format("MapiAttachmentProvider::CreateMapiAttachment", new object[0]), ex2 }); } finally { try { if (session != null) { session.EndMapiCall(); if (flag2) { session.EndServerHealthCall(); } } } finally { if (StorageGlobals.MapiTestHookAfterCall != null) { StorageGlobals.MapiTestHookAfterCall(MethodBase.GetCurrentMethod()); } } } attachmentNumber = num; if (attachmentToClone != null) { MapiAttachmentProvider.CopySavedMapiAttachment(true, this, this.AttachmentCollection.ContainerItem.Session, (MapiAttach)attachmentToClone.PropertyBag.MapiProp, mapiAttach); } else if (itemToAttach != null) { MapiMessage mapiMessage = itemToAttach.MapiMessage; MapiMessage mapiMessage2 = null; StoreSession session2 = this.AttachmentCollection.ContainerItem.Session; bool flag3 = false; try { if (session2 != null) { session2.BeginMapiCall(); session2.BeginServerHealthCall(); flag3 = true; } if (StorageGlobals.MapiTestHookBeforeCall != null) { StorageGlobals.MapiTestHookBeforeCall(MethodBase.GetCurrentMethod()); } mapiMessage2 = mapiAttach.OpenEmbeddedMessage(OpenPropertyFlags.Create); } catch (MapiPermanentException ex3) { throw StorageGlobals.TranslateMapiException(ServerStrings.MapiCannotOpenEmbeddedMessage, ex3, session2, this, "{0}. MapiException = {1}.", new object[] { string.Format("MapiAttachmentProvider::CreateMapiAttachment", new object[0]), ex3 }); } catch (MapiRetryableException ex4) { throw StorageGlobals.TranslateMapiException(ServerStrings.MapiCannotOpenEmbeddedMessage, ex4, session2, this, "{0}. MapiException = {1}.", new object[] { string.Format("MapiAttachmentProvider::CreateMapiAttachment", new object[0]), ex4 }); } finally { try { if (session2 != null) { session2.EndMapiCall(); if (flag3) { session2.EndServerHealthCall(); } } } finally { if (StorageGlobals.MapiTestHookAfterCall != null) { StorageGlobals.MapiTestHookAfterCall(MethodBase.GetCurrentMethod()); } } } using (mapiMessage2) { PropProblem[] array = null; StoreSession session3 = this.AttachmentCollection.ContainerItem.Session; bool flag4 = false; try { if (session3 != null) { session3.BeginMapiCall(); session3.BeginServerHealthCall(); flag4 = true; } if (StorageGlobals.MapiTestHookBeforeCall != null) { StorageGlobals.MapiTestHookBeforeCall(MethodBase.GetCurrentMethod()); } array = mapiMessage.CopyTo(mapiMessage2, new PropTag[] { (PropTag)InternalSchema.UrlCompName.PropertyTag }); } catch (MapiPermanentException ex5) { throw StorageGlobals.TranslateMapiException(ServerStrings.MapiCopyFailedProperties, ex5, session3, this, "{0}. MapiException = {1}.", new object[] { string.Format("MapiAttachmentProvider::CreateMapiAttachment", new object[0]), ex5 }); } catch (MapiRetryableException ex6) { throw StorageGlobals.TranslateMapiException(ServerStrings.MapiCopyFailedProperties, ex6, session3, this, "{0}. MapiException = {1}.", new object[] { string.Format("MapiAttachmentProvider::CreateMapiAttachment", new object[0]), ex6 }); } finally { try { if (session3 != null) { session3.EndMapiCall(); if (flag4) { session3.EndServerHealthCall(); } } } finally { if (StorageGlobals.MapiTestHookAfterCall != null) { StorageGlobals.MapiTestHookAfterCall(MethodBase.GetCurrentMethod()); } } } if (array != null) { int num2 = -1; for (int i = 0; i < array.Length; i++) { int scode = array[i].Scode; if (scode == -2147221233 || scode == -2147221222) { ExTraceGlobals.StorageTracer.TraceDebug <int>((long)this.GetHashCode(), "Storage.MapiAttachmentProvider.AddExisting Item: CopyTo returned ignorable scode = {0}", scode); } else { ExTraceGlobals.StorageTracer.TraceError <int>((long)this.GetHashCode(), "Storage.MapiAttachmentProvider.AddExisting Item: CopyTo returned fatal scode = {0}", scode); num2 = i; } if (num2 != -1) { throw PropertyError.ToException(ServerStrings.ExUnableToCopyAttachments, StoreObjectPropertyBag.MapiPropProblemsToPropertyErrors(null, mapiMessage, array)); } } } StoreSession session4 = this.AttachmentCollection.ContainerItem.Session; bool flag5 = false; try { if (session4 != null) { session4.BeginMapiCall(); session4.BeginServerHealthCall(); flag5 = true; } if (StorageGlobals.MapiTestHookBeforeCall != null) { StorageGlobals.MapiTestHookBeforeCall(MethodBase.GetCurrentMethod()); } mapiMessage2.SaveChanges(); } catch (MapiPermanentException ex7) { throw StorageGlobals.TranslateMapiException(ServerStrings.MapiCannotSaveChanges, ex7, session4, this, "{0}. MapiException = {1}.", new object[] { string.Format("MapiAttachmentProvider::CreateMapiAttachment", new object[0]), ex7 }); } catch (MapiRetryableException ex8) { throw StorageGlobals.TranslateMapiException(ServerStrings.MapiCannotSaveChanges, ex8, session4, this, "{0}. MapiException = {1}.", new object[] { string.Format("MapiAttachmentProvider::CreateMapiAttachment", new object[0]), ex8 }); } finally { try { if (session4 != null) { session4.EndMapiCall(); if (flag5) { session4.EndServerHealthCall(); } } } finally { if (StorageGlobals.MapiTestHookAfterCall != null) { StorageGlobals.MapiTestHookAfterCall(MethodBase.GetCurrentMethod()); } } } } } persistablePropertyBag = this.CreateStorePropertyBag(mapiAttach, propertiesToLoad); persistablePropertyBag.ExTimeZone = this.ExTimeZone; flag = true; } finally { if (!flag) { if (persistablePropertyBag != null) { persistablePropertyBag.Dispose(); } if (mapiAttach != null) { mapiAttach.Dispose(); } } } return(persistablePropertyBag); }