c# - Replace text in MailItem Body -


i've added ribbon button in outlook explorer, creates new email selected email when clicked. works fine using mailitem.copy method. need replace text in message body different value.

the problem email html/richtext formatted email , contain text formatting and/or pictures. , replacing text value in body property loses text formatting , pictures.

so code below no good

newmailitem.body = newmailitem.body.replace("old value", "new value");

and i've tried loading html , rtf value devexpress richeditcontrol , used richeditcontrol.document.replaceall method try , replace text occurrences. devexpress richeditcontrol changes/formats rtf / html value differently , causes message wrong when html / rtf set in mailitem.

i've tried replacing text getting reference word document (see code below). doesn't work either.

inspector inspector = newmailitem.getinspector; if (inspector.iswordmail()) {     microsoft.office.interop.word.document worddocument =         inspector.wordeditor microsoft.office.interop.word.document;      microsoft.office.interop.word.find findobject = worddocument.application.selection.find;     findobject.clearformatting();     findobject.text = "old value";     findobject.replacement.clearformatting();     findobject.replacement.text = "new value";      object replaceall = microsoft.office.interop.word.wdreplace.wdreplaceall;     findobject.execute(ref missing, ref missing, ref missing, ref missing, ref missing,         ref missing, ref missing, ref missing, ref missing, ref missing,         ref replaceall, ref missing, ref missing, ref missing, ref missing); }

so question is, how can replace text value in mailitem body , ensure existing text formatting , pictures aren't lost?

i've got working displaying inspector window, seems resync mailitem.body , rtf/html properties word document after preforming find , replace. it's slow , flicker'y.

i've pasted code below. if can think of faster , less flicker'y way, please let me know.

inspector inspector = newmailitem.getinspector; if (inspector.iswordmail()) {     newmailitem.display();     worddocument = inspector.wordeditor microsoft.office.interop.word.document;      microsoft.office.interop.word.range range = worddocument.range(worddocument.content.start, worddocument.content.end);     microsoft.office.interop.word.find findobject = range.find;     findobject.clearformatting();     findobject.text = "old value";     findobject.replacement.clearformatting();     findobject.replacement.text = "new value";      object replaceall = microsoft.office.interop.word.wdreplace.wdreplaceall;     findobject.execute(ref missing, ref missing, ref missing, ref missing, ref missing,                         ref missing, ref missing, ref missing, ref missing, ref missing,                         ref replaceall, ref missing, ref missing, ref missing, ref missing); }

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