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This command is used to read the value stored for the specified key for the specified widget from the buffer. There is no output if no value is found. The found value is assigned to the specified variable. If the value cannot be converted to the variable type, LogiView aborts the execution and displays a corresponding error message. |
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Syntax: |
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widget_get_buf ({WDG_ID}, {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 widget_get_buf (widget_id(),"CUSTO_DEL",OPTION) 20 if (OPTION != "") 30 put (strprint("Widget-Buffer CUSTO_DEL ist %s",OPTION)) 40 else 50 put ("Widget buffer CUSTO_DEL not set!") 60 endif |
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Functions and commands: Editing Masks |