image - (UWP) XAML Canvas to stream -

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i've been looking way save canvas' (windows.ui.xaml.controls) datacontext image or stream. i'm using drawing on image , want save image drawn lines. maybe i'm doing wrong, please enlighten me! :-)

on uwp suggest use inkcanvas.

you can store strokes this:

var savepicker = new filesavepicker(); savepicker.suggestedstartlocation = windows.storage.pickers.pickerlocationid.pictureslibrary; savepicker.filetypechoices.add("gif embedded isf", new system.collections.generic.list<string> { ".gif" });   storagefile file = await savepicker.picksavefileasync(); if (null != file) {   try   {     using (irandomaccessstream stream = await file.openasync(fileaccessmode.readwrite))     {       await myinkcanvas.inkpresenter.strokecontainer.saveasync(stream);     }   }   catch (exception ex)   {     generateerrormessage();   } }

source: https://blogs.windows.com/buildingapps/2015/09/08/going-beyond-keyboard-mouse-and-touch-with-natural-input-10-by-10/


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