C# Workshare.Where方法代码示例

		public void ReplaceProcessedAttachments(dynamic mailItem, Workshare.PolicyContent.Attachment[] processedAttachments, ZipAllOptions groupedZip)
		{
			Redemption.SafeMailItem safeMailItem = RedemptionLoader.new_SafeMailItem();
            using (new ComRelease(safeMailItem))
            {
                safeMailItem.Item = mailItem.UnSafeMailItem;

                if ((groupedZip != null) && groupedZip.ZipAll && safeMailItem.Attachments.Count > 0)
                {
                    ZipAttachments(mailItem, processedAttachments, groupedZip);
                    return;
                }
                //AttachmentProperties
                Dictionary<string, AttachmentProperties> dictAttachmentProps =
                    new Dictionary<string, AttachmentProperties>(safeMailItem.Attachments.Count);
                GetAttachmentProperties(safeMailItem, dictAttachmentProps);

                Redemption.MAPIUtils redemptionMAPIUtils = RedemptionLoader.new_MAPIUtils();
                // Use .ToArray() to ensure the attachments are removed first, before any re-additions.
                var removedAttachments =
                    processedAttachments.Where(a => RemoveAttachment(safeMailItem, a)).ToArray();

                int renderingPosition = 1;
                foreach (var attachment in removedAttachments)
                {
                    string displayName = attachment.Name;
                    if (string.IsNullOrEmpty(displayName) || string.IsNullOrEmpty(displayName.Trim()))
                    {
                        displayName = UntitledAttachmentTitle;
                    }

                    string proposedFileName = GetProposedFileName(attachment);
                    string fileName = attachment.FileName;

                    DateTime creationTime = new DateTime();
                    DateTime lastModificationTime = new DateTime();

                    // For unmodified attachments we want to restore the timestamp so they appear as they were (ie unchanged!)
                    // We need to set the file creation/modification correctly, removing/adding resets the timestamp
                    if (!attachment.IsProcessed &&
                        GetAttachmentFileTimes(attachment, dictAttachmentProps, ref creationTime,
                                                ref lastModificationTime))
                    {
                        File.SetCreationTime(fileName, creationTime);
                        File.SetLastWriteTime(fileName, lastModificationTime);
                    }

                    Redemption.Attachment redemptionAttachment;

                    // [VE2711] Use the DisplayName instead of MessageItem.Subject when adding .msg items back.
                    // DMS and other programes can add msg attachments with a custom name and not the .msg Subject.
                    // [DE9621/CR00126587] implemented the seperated handler for .msg files. Previously .msg files where handled
                    // the same way as any other attachments and this used to as still is for all other attachments  
                    // the Attachment.Name property (the original DisplayName). As part of DE9621 the DisplayName was 
                    // changed to the MessageItem.Subject. This was done (a) because that is the default MS Outlook 
                    // behaviour if you add a .msg file to an email as an attachment and (b) the code that set 
                    // Attachment.Name in Workshare.Mime.Conversions.OutlookAttachmentsProxy.this[int] was changed 
                    // to use the FileName instead of the DisplayName [DE9621/CR00126587][DE9310/CR00123897], which ment the 
                    // original DisplayName was nolonger available. Related change is in OutlookAttachmentsProxy.cs

                    if (fileName.EndsWith(".msg", StringComparison.InvariantCultureIgnoreCase))
                    {
                        Redemption.MessageItem redemptionMessageItem = redemptionMAPIUtils.GetItemFromMsgFile(fileName);

                        // Need to release "msgItem" before delete the file, as it holds reference to the file.
                        using (new ComRelease(redemptionMessageItem))
                        {
                            // Attach .msg via "olEmbeddedItem" to avoid Unicode msg attachment being blocked by "Symantec anti-virus Outlook addin"
                            redemptionAttachment = safeMailItem.Attachments.Add(redemptionMessageItem,
                                                                                OlAttachmentType.olEmbeddeditem,
                                                                                renderingPosition, displayName);

                            // Redemption does not set Unicode displayname properly, need to set manually.
                            redemptionAttachment.set_Fields(MapiDefines.PR_DISPLAY_NAME_W, displayName);
                        }
                    }
                    else
                    {
                        redemptionAttachment = safeMailItem.Attachments.Add(fileName, OlAttachmentType.olByValue,
                                                                            renderingPosition, displayName);

                        try
                        {
                            // Redemption.dll (current version 4.6.0.924) didn't handle Unicode correctly for 
                            // Attachments.Add() function. It attempts to convert Unicode filename to Ansi code
                            // based on current System Locale ("Language for non-Unicode program"). 
                            // Attachment with "e.g. Chinese/Cyrillic" filename will appear as "????".
                            // Check whether filename can be encoded with current default code page.
                            Encoding ansiEncoding = Encoding.GetEncoding(Encoding.Default.CodePage,
                                                                            new EncoderExceptionFallback(),
                                                                            new DecoderExceptionFallback());
                            // If not ansi will fail with EncoderFallbackException
                            byte[] ansiBytes = ansiEncoding.GetBytes(proposedFileName);
                        }
                        catch (EncoderFallbackException)
                        {
                            // If cannot convert using current system codepage, Redemption's Attachments.add() 
                            // will not behave correctly. Have to manually set the FileName and Displayname with Unicode string.
                            redemptionAttachment.set_Fields(MapiDefines.PR_ATTACH_LONG_FILENAME_W, proposedFileName);
                            redemptionAttachment.set_Fields(MapiDefines.PR_ATTACH_FILENAME_W, proposedFileName);
//.........这里部分代码省略.........