LT Gen on multiple lines

[jbear0000]

When you select a polyline and open the properties there is the option to turn LT Gen on or off. I have hundreds of lines I that have LT Gen turned off and I need to turn it on. Does anyone have a tool to do them all at once instead of one at a time?

[VERYCIVILDRAFTER]

Try MPEDIT... I don't think it's a "bonus" command :|

Also when creating plines the command to toggle line type generation is PLINEGEN.
1 = ON, 0 = OFF

[jbear0000]

Ah, I didn't realize that could be done with the mpedit command, thanks.