I've asked this question before but never quite got it correct.  I'm using DotImage on a Windows Form with a WorkspaceViewer and a RectangleRubberband control.  The user requires the ability to draw a rectangle on the image and then print or zoom to that area.  I know there is a built-in zoom control but that's not an option at ...

Hi I load a image in the control, autozoom true. I have a button to zoom in. As scrollleft and scrolltop stay to 0, when zooming, the top left corner stay the reference and the image seems to go right down. I try to correct it with some code like scroollleft = image.widht * (new zoom ratio) - image.widht * (original zoom ratio) / 2.... doesn't ...