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Use this command to read a value from the corresponding field for the specified key. If no value is found no value is returned. |
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Syntax: |
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field_get_buf ({WDG_ID}, {FLD}, {STR_EXPR}, {VAR}) | |||||||||||||
I/O parameters:
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Return value: |
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Example: |
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Declaration of Variables | |||||||||||||
10 field_get_buf (widget_id(), "T_MASTER_DAT.PART_ID", "OLD_VALUE", CONTENTS) 20 if (CONTENTS != "") 30 put (strprint("Old field contents is "\%s\"", CONTENTS)) 40 endif |
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Functions and commands: Modification of Fields |