Alignment guide
Alignment is the adjustment of an object in relation with other objects. Therefore, the diagram alignment means adjusting a shape's position with another's (or others') in a straight line or in parallel lines. When you drag shapes, alignment guide will appear to let you position the dragging content in accordance with existing shape(s).
Show edges alignment guide
When you drag a shape upward or downward, two horizontal lines will reveal on the both edge of the shape as an offer of assistance for adjusting the shape's position.
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| Drag upward |
Similarly, when you drag a shape to the left or the right, two vertical lines will reveal on the both edge of the shape.
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| Drag to the left |
Show center alignment guide
When you drag a shape upward or downward, a horizontal line will reveal in the center of the shape as an offer of assistance for adjusting the shape's position.
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| Drag upward |
Similarly, when you drag a shape to the left or the right, a vertical line will reveal in the center of the shape.
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| Drag to the left |
Change alignment guide options
If you want the alignment guide to help you position when you drag shapes, check Show diagram alignment guide; on the contrary, uncheck it if you don't need a help. Two Choices are provided in alignment guide: Show edges and Show center. Choose Show edges if you want two horizontal lines to reveal on the both edge of the moving shape while choose Show center if you want a horizontal line to reveal in the center of the shape.
- Select Tool > Options... from the main menu to unfold Options dialog box.
- In shortcut, typing Alignment guide on top-left text field for searching. It will be shown that the option of alignment guide is on Diagramming category, Environment tab shortly. As you see, the option will be highlighted for your convenience.

Change alignment guide options - The option for alignment guide is checked as default. The next step you need to do is to choose either Show edges or Show center for your diagrams.
- Uncheck Show diagram alignment guide if you do not want the assistance of alignment guide when dragging shapes.
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