If you have not systematically learned Visio, you may encounter various problems when using it. For example, when moving the arrow, it will not obey the instructions at all, or it will be directly connected to other nodes, or it will change the angle or change. The length, or the inability to continuously move to the position you want, is very troublesome.
At this time, you only need to click View-Visual Help and uncheck several options under the left alignment activity, so that you can move it however you want. These options are used by computers to automatically assist in connection alignment, but sometimes they become obstacles to our use. They can be turned off at ordinary times and turned on when auxiliary lines are needed for alignment.
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