| Item | Description | Drawn Over |
|---|---|---|
| iedgNone | No guide lines are shown | - |
| iedgPixelGrid | A grid is shown marking each pixel when the image is zoomed in (e.g. for pixel editing in an image editor) | Layer 0 or DisplayGridLyr |
| iedgGuideLines | Guide lines are shown horizontally and vertically over the image (e.g. to help align objects when rotating). Layout is determined by GuidelineCount | Background (Layer 0) |
| iedgRulerGuides | Guide lines are shown horizontally and vertically over the image in line with label ticks of the ruler | All Control |
| iedgSnapPoints | Guide points (dots) are shown horizontally and vertically over the image in line with LayersSnapDist | Background (Layer 0) |
| iedgAuto | Automatically uses iedgPixelGrid, iedgGuideLines or iedgRulerGuides depending on the current view | - |