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6
Votes

Support for asynchronous document loading in Document Editor

Document editor following the below steps to render the document

  1. Internally the entire document content is converted in the C# side Docx/RTF to SFDT.
  2. Return to client side.
  3. In client side, entire document from the start to end is layouted(involved positioning, height calculation and pagination)
  4. Then finally, rendered.

Due to synchronous load, main thread is blocked, and browser became unresponsive until document is fully layouted.

To overcome this problem, we need to handle asynchronous document loading without blocking browser main thread.