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Connections

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Counting glued and connected shapes in Visio

I got a surprise in one of my projects when I counted the shapes glued together using the Shape.GluedShapes(…) method … the sum of the filtered glued shapes just didn’t add up to the unfiltered count. So, I thought I should check the Shape.ConnectedShapes(…) method too … and there is a scenario where that has a similar result.

In the following diagram, I have different coloured squares with connection points of different types at the centre of each edge (as denoted by the connection type numbers), and one under a control point in the bottom left corner. I have glued the ends of coloured connector lines, statically (Red and Black) and dynamically (Green), and glued the Purple Square directly to the Orange Square. The Blue Square shape is glued to a connection point on the green dynamic connector.

7 Shapes glued & connected in a variety of ways

I then ran some code to get the count of glued and connected shapes … and noticed some apparent discrepancies…

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Cyber Monday free Visio Checkers!

As it is Cyber Monday, I thought I would give away a compelling checkers board for Visio! In the UK, we call it Draughts, but the rules are the same… in my last post, I showed how to create a chess/checkers/draughts board, and in this one I add some checkers that can glue to the dark squares only!

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Update to multiSelect & tracing sub-shape connections in Visio

Most of my Visio diagrams have simple connections between shapes, and my previous post about connections used a flowchart as an example (see https://blog.bvisual.net/2016/08/09/understanding-visio-connections/ ). However, it has come to my attention that some Visio developers add connection points to sub-shapes of Visio group shapes, and then connect between the sub-shapes. This means that the code in my previous article would need to be adapted to cater for this scenario. It has also meant that I needed to update my free multiSelect Visio add-in needed an update. The updated version (1.0.6.0) is for Visio 2010+, and is available from http://bvisual.net/Products/multiSelect.aspx .

multiSelect Tracing connected sub-shapes
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Understanding Visio Connections

A reader recently asked if I could explain how to programmatically get the shapes connected to a shape in Visio. So, I thought I would have a go, because there are alternatives, depending upon which functions are used, and what parameters are passed to them. The following animated gif is rotating around the different types of selections that can be made from the lower Decision shape. Normally, two 2D shapes are connected together using a 1D shape. The 1D shape has a direction because it starts from “BeginX” and finishes at “EndX”. This is irrespective of an arrowheads that the user may have chosen to adorn the 1D connector with at either end.

multiSelect Children and Parents

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Getting the Name of Glued Connection Points

A Visio developer asked me if it is possible to get the name of connection points that a connector is glued to in Visio. Well, it is not possible directly from the ShapeSheet, but is easy if you use a little code.

First of all, I created a simple Block shape with 3 named connection points on either side of it. I added a little text to the block to display the shape name, and to remind me where the named connection points are.

 

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A Visio Logic Gate with Logic

I was recently asked how I would approach improving the Logic Gate 2 in the Circuits and Logic template, on the Analog and Digital Logic stencil. Well, this had resonance with me because I had often wondered why these shapes were not smarter than they are, so I looked more deeply into the shape construction to see how the Logic Gate 2 shape works, and how it could be improved so that the values of the inputs could be set and the logic applied to provide the correct output value. Eventually, similar improvements can be applied to all of the master shapes so that the connected logic diagram responds to input value changes.

The Existing Shape

The Logic Gate 2 shape has Shape Data rows to provide some configuration. Firstly, you can change the number of inputs from 2 to 5, and the number of outputs from 1 to 3:

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