java - Using WindowBuilder Pro the design tab is missing several components -


i'm doing project using windowbuilder pro , has been fine until now. when in "design" tab preview of gui , components view missing lot of components code.

here interface when compiled: enter image description here can see there several components

and here design tab: enter image description here

all shown in components section , preview section main tabs component , components contains. couple of days ago components section fine, showed components can see in first image. problem?

edit: in case anyone's interested, did messing around , have if-else conditional in constructor seems mess things - without works ok


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