Как да вмъкнете картина в Word от Base64 кодирано изображение

Имам Base64 кодирано изображение, което изглежда по следния начин:

var base64SignatureImage = 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Използвайки API за автоматизация на Word, как мога да вмъкна това като картина в документ на Word в паметта?

За предпочитане без използване на системния клипборд или вмъкване от файл.


person orad    schedule 05.10.2015    source източник
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Към коя версия(и) на Word се насочвате?   -  person Cindy Meister    schedule 15.12.2015
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MS Word 2010 и 2013   -  person orad    schedule 02.01.2016


Отговори (1)


Единствената възможност за вмъкване на графика от base64 е да се използва Word Open XML.

За да направите това чрез API, трябва да генерирате валиден Word Open XML в OPC плоския формат. Това може да бъде вмъкнато в документа, отворен в приложението Word с помощта на метода Range.InsertXML.

Най-лесният начин да определите какъв е валидният Word Open XML е да го напишете в низ, като използвате свойството Range.WordOpenXML. Например вмъкнете изображението като InlineShape, след което Document.InlineShapes[index].Range.WordOpenXML;

Или, като използвате незабавния прозорец в редактора на VBA и го запишете в текущата селекция в документа:

Selection.Text = ActiveDocument.InlineShapes(1).Range.WordOpenXML

след това натиснете Enter.

Трябва да видите изображението като base64 в XML.

Това генерира пълния, пълен Word Open XML и можете да го използвате „както е“, замествайки base64 (и евентуално коригирайки свойствата на размера). Но нямате нужда от всичко това за InsertXML. Ако искате да го намалите или да разберете повече за това, което се случва, тази статия обяснява какви са минималните изисквания и предоставя повече основна информация:

https://msdn.microsoft.com/en-us/library/office/dn423225.aspx

person Cindy Meister    schedule 04.01.2016