Restrict the modification of Delivery item texts - Using Implicit enhancement technique

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5  .Now you can see 

 

6 . Go to implicit enhancement option at the end of the form and do right click ->    Enhancement Implementation -> Create   

 

7  .Now it will ask for Enhancement type

 

We have to implement code and it will look like this  

   

Here you can write the custom code   for modifying the functionality   

8.  Include name LV70TFT3  

ENHANCEMENT 4  ZTEXT_MODIF_BLOCK.    "active version
call method gv_text_editor->set_readonly_mode
         
exporting
              readonly_mode = gv_text_editor->true
         
exceptions
              error_cntl_call_method = 
1
              invalid_parameter      = 
2
              
others                 = 3.

ENDENHANCEMENT.  

9.  Activate the code and check VL02N  

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