c# - Get the current document viewport in Visual Studio -


i writing vspackage. need text current document in visual studio, edit text , write current open document.

when this, current viewport of document jumps top of document:

example let's you're working on document contains 2000 lines of code, , in visual studio code editor see line numbers 500 550. , cursor @ line 700.

after processing document text, want user see same line numbers in code editor , want cursor stay was.

i found solutions moving cursor, however, still couldn't find how get , set current view port on active document.

enter image description here

https://msdn.microsoft.com/en-us/library/microsoft.visualstudio.text.editor.iviewscroller(v=vs.120).aspx

use iviewscroller. has methods keep desired span in view, want, or scroll specified number of lines. instance viewscroller property of text view object.


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