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Eventbinding to a property
Message
From
04/02/2016 04:52:09
Lutz Scheffler
Lutz Scheffler Software Ingenieurbüro
Dresden, Germany
 
 
To
04/02/2016 04:48:44
Dragan Nedeljkovich
Now officially retired
Zrenjanin, Serbia
General information
Forum:
Visual FoxPro
Category:
Object Oriented Programming
Environment versions
Visual FoxPro:
VFP 9 SP2
OS:
Windows 8.1
Network:
SAMBA Server
Database:
Visual FoxPro
Application:
Desktop
Miscellaneous
Thread ID:
01630781
Message ID:
01630800
Views:
47
>>>>If I AEVENT - EVALUATE in eventhandler, I simply can EVALUATE in otherpropuser. This is lesser EVALUATE.
>>>>The idea was to not EVALUATE at all.
>>>>
>>>>Lutz
>>>
>>>
loBinder=CREATEOBJECT("binder")
>>>BINDEVENT(_SCREEN, "caption", loBinder, "bound")
>>>_screen.Caption = _screen.Caption+" "
>>>
>>>
>>>DEFINE CLASS binder as Custom
>>>
>>>*---------------------------------------------------
>>>	PROCEDURE BOUND()
>>>*-- dn 2016/02/04
>>>		SET STEP ON
>>>		AEVENTS(aE, THIS)
>>>		oSrc=aE[2]
>>>		lcP=aE[3]
>>>		luVal=GETPEM(oSrc, lcP)
>>>		?luVal
>>>ENDDEFINE
>>>
>>
>>
AEVENTS(aE, 0)
to get the caller :)
>>Is get Pem betterr then EVAL?
>
>
>Should be faster. It doesn't involve the whole expression evaluator, this is just the simper "get me a property value" mechanism.

Then the rules from above do not change. Simpler in otherpropuser. Thanks for the hint.
Words are given to man to enable him to conceal his true feelings.
Charles Maurice de Talleyrand-Périgord

Weeks of programming can save you hours of planning.

Off

There is no place like [::1]
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