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How does ReadExpression work?
Message
De
19/10/2001 12:41:30
 
 
À
19/10/2001 11:57:46
Hilmar Zonneveld
Independent Consultant
Cochabamba, Bolivie
Information générale
Forum:
Visual FoxPro
Catégorie:
Codage, syntaxe et commandes
Divers
Thread ID:
00570921
Message ID:
00570966
Vues:
19
This message has been marked as the solution to the initial question of the thread.
>
>...
>loCol = loGrid.Column5
>lcProp = "ReadOnly"
>? loCol.ReadExpression(lcProp)
>
>
>I expect the above code to return the value of Column5.ReadOnly, but I get an empty string. What am I missing?
>
>I have opened a form, selected a grid, and run a short program. The code above is part of this program. The idea of my small builder program is to insert a column (all properties should be copied from column5 to column6, then from column4 to column5, etc.).
>
>TIA, Hilmar.

Apparently it only works if you have previously used the WriteExpression() method on the object and the specific property. Doesn't work with default values or with values entered at design-time or programmatically at runtime directly to the property. This contradicts the documentation which states that it returns the value entered in the properties window. But maybe I am missing something here.

I suppose if you want to retrieve the property's value and display it you can always use Transform(object.Property) :)
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