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Former Member
Nov 12, 2008 at 07:04 AM

Expression problem for ABAP

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Hi everyone,

Once i have saw a expression in ABAP program. as follows.

DATA:drag_object TYPE REF TO lcl_dragdrop_dataobject.

CATCH SYSTEM-EXCEPRIONS move_cast_error = 1.

drag_object ?= dragdrop_object->object.

ENDCATCH.

IF sy-subrc = 1.

CALL METHOD dragdrop_object->abort.

EXIT.

ENDIF.

I don't know what is "?=" .

Please help me.

Thanks Advanced !