Hatch Edit - Annotation

Instead of erase and re-hatch the pattern, you can edit the hatch
Just select the hatch pattern, a new ribbon Hatch Editor automatically appear and provide the necessary options for hatch editing

Grip Edit

If the hatch pattern is associative, when you select it, only a single grip appear

 

You cannot edit it by the grip

Hatch Editor tab > Boundaries panel > Display Boundary Objects

Multiple grips appear enable to grip edit the boundary

Recreate Boundary

After a lot of editing work, you might find that some boundaries of the hatch pattern are missing, you need to recreate the boundary

Select the hatch pattern
Hatch Editor tab > Boundaries panel > Recreate

Boundary Object Type
Region: 2D solid, that mean you cannot edit
Polyline: A single object with multiple segments, you can edit it