Ways to add, move, or delete a connection point on a shape in Visio
With Visio drawing, learning to use connection points can improve your drawing quality and speed dramatically. The following is an example of how to use a connection point in Visio2010.
I. Preparation
1. Open Visio2010, open a blank page, and drag a square and a triangle into the base shape.
2. In the Start bar, select a line.
3. The mouse in the two block diagram activity, can see two block diagram default connection point number and its position.
Two. Mobile Demo (move square block diagram to the upper right corner connection point)
1. Click on the connection point icon in the Start bar, the front of the mouse will appear "X" shape
2. Place the mouse over the top right corner of the square, and then drag the arrow into the cross arrow.
Three. Delete Demo (delete square block diagram upper right connection point)
1. Click on the connection point icon in the Start bar, the front of the mouse will appear "X" shape
2. The connection point to be deleted in the left key point, when the connection point turns pink.
3. You can delete the connection point by pressing the DELETE key
Four. Add a connection point demo (remove the connection point in the upper-right corner of the square diagram and add it)
1. Click on the connection point icon in the Start bar, the front of the mouse will appear "X" shape
2. The square in the left key point (if you add a connection point to the graphic, you must point the graphic)
The edge of the block diagram after the point will become dashed
3. Hold down the CTRL key, in the square right corner of the left click, you can add a connection point
To this end, the Add, move, and delete links have been demonstrated.
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Two graphics, connected by connection points, can always remain connected, no matter how they are moved.
From:http://www.cnblogs.com/dyllove98/archive/2013/07/17/3196500.html