LayerManager for Microsoft Visio layer sets can now be called from external code and are also available from a sub-menu of the Layer Buttons drop-down ribbon button. The Layer Manager window does not need to be open to use the sub-menu because it detects the Layer Set buttons on the page.
LayerManager includes the following useful actions that can be called by your own code, such as VBA macros or C#.
| Parameter | Description |
| ApplyShapeLayerSet.<layer set name> | Applies the named layer set to the page, if the named Layer Set Button exists on the active page |
| ApplyShapeLayerSetToDocument.<layer set name> | Applies the named layer set to all the pages, if the named Layer Set Button exists on the active page |
| SwapEnds | Reverses the direction of all selected 1D shapes |
| MatchHeights | Makes all secondary selected 2D shapes to be the same height as the primary selected 2D shape |
| MatchWidths | Makes all secondary selected 2D shapes to be the same width as the primary selected 2D shape |
| MatchWidthsAndHeights | Makes all secondary selected 2D shapes to be the same wideth and height as the primary selected 2D shape |
They simply need to be called with the Visio Application.QueueMarkerEvent(contextString), where the contextString is “bvLayerManager.<parameter>”
VBA example to apply the “Space Usage” layer set to the active page:
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