c# - How to obtain visible borders of canvas placed on scrollviewer -


i have canvas placed on scrollviewer in order allow scrolling. possible coordinates of visible part of canvas?

i trying calculate way

leftborder = scrollviewer1.horizontaloffset; rightborder = scrollviewer1.viewportwidth - scrollviewer1.horizontaloffset;  topborder = scrollviewer1.verticaloffset; bottomborder = scrollviewer1.viewportheight - scrollviewer1.verticaloffset;

but seems not working.

the horizontal , vertical offset actual scroll value in direction. besides that, if want size of content without scrollbars might visible. can search child named "part_scrollcontentpresenter". shows actual content of scrollviewer, , content resized when scrollbars needs more space.

hope helps.


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