Is there any interactive diagramming toolkit for Xojo? I am looking for a way to allow users to create flow charts, for example, from my application.
There is not.
There is an example project for drawing tree structures:
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There is a product but unsure if it is licensed as a component. You could ask. I’m a believer in don’t ask, don’t get:
open yEd from Xojo 
for Xojo first you need a better Mouse State handling.
a shape class, paint method and status, position and size (Rect)
a connector class with a property from shape, to shape as example, draw method via cos interpolated line or straight.
a sub classed canvas with a list ob objects to paint
with help of the example project it should be done in few days.
basically you select objects by draw an rectangle, move them, input text.
and just visualize what you have stored.
Great, thanks! Let me take a look.
Got the idea, thanks. I would prefer to use an existing library, if one is available.
Yes, this looks like a separate application. I will contact them regarding availability as a component for Xojo.
It is built in Xojo fyi
That is great news!
Hello guys, any idea who did that ? i’m interested as well to have same functionality , but i just need to move 4 labels around the canvas and to save their coordinates.
Thanks
see examples graphics and multimedia /
canvasdragrect
canvasdrawdrag
subclass your canvas to add own methods/events there.
Thanks Markus, i found what i needed in Graphics → Interactive Objects in a Canvas → Objects in a Canvas.
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