PREVIEWEFFECT system variable
Selection preview effect
Controls how a selection preview is displayed (Not yet supported).
| Type: | Short | 
| Saved in: | Registry | 
| Range: | 0 to 2 | 
| Default value: | 2 | 
| Possible values: | 0: Dashed lines 1: Thickened lines 2: Dashed and thickened lines | 

