Move plotting of functions on picturebox

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i have function plotted on picturebox, i can zoom it, when graphic are out of picturebox i want with scroolbars move it or mouse movement to watch part hide of it. everytime i click to scrollbar, i clear picturebox then i add to coordinates of functions the value of scroll and redraw it again. however i don`t know why picturebox doesn`t clean and show up like the graphic dragging. how do i avoid that. worked en VB6 but not in NET although i have to wait a while. i want something like autocad, to move draw and inmediatly i get draw without delay.

thanks in advance

Mike Thompson

What I have tried:

the code haven´t worked out so far, need help

Posted 1-May-16 6:22am

Member 12496222

Updated 1-May-16 8:51am

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Sergey Alexandrovich Kryukov · Answer 1 · 2016-05-01T08:51:00

This is because using PictureBox for such purposes is insane. Of course, it would be possible to do it all with a PictureBox, but it makes no sense at all. You simply do double work, not only using extra resources during runtime, but also wasting your development time. PictureBox is not a picture, it's a control, totally redundant one, created exclusively to simplify the simplest chores, showing static image on your screen.

Please see my past answers:
Append a picture within picturebox[^],
draw a rectangle in C#[^],
How do I clear a panel from old drawing[^].

Also, for more detail on graphic rendering:
How to speed up my vb.net application?[^],
How to avoid Red Cross in DatagridView C#[^],
Zoom image in C# .net mouse wheel[^].

—SA