Message
From
23/02/2010 09:23:47
To
23/02/2010 09:20:28
General information
Fórum:
Visual FoxPro
Category:
Environment versions
Visual FoxPro:
VFP 9 SP1
Miscellaneous
ID da thread:
01450463
ID da mensagem:
01450465
Views:
55
>>Hi,
>>
>>I dropped an object (class) on a form. Then in the form LOAD method I check if this object is NULL as following:
>>
>>So I presumed that the object is instantiated in the LOAD method of the form. But when I call a method of this object in LOAD method of the form, I get error that the object does not exist. Does it mean that the object is fully instantiated only in the INIT method of the form?
>
>Yes
>
>But you can add the object in the load() of the form prior to using it
You mean by instantiating the object as the following?
>>
>>I dropped an object (class) on a form. Then in the form LOAD method I check if this object is NULL as following:
>>
>>isnull( thisform.MyObject ) && Returns .F. >>type( "thisform.MyObject" ) && Returns "O" >>>>
>>So I presumed that the object is instantiated in the LOAD method of the form. But when I call a method of this object in LOAD method of the form, I get error that the object does not exist. Does it mean that the object is fully instantiated only in the INIT method of the form?
>
>Yes
>
>But you can add the object in the load() of the form prior to using it
You mean by instantiating the object as the following?
thisform.MyObject = newobj("MyObjectClass","ClassLib")
"The creative process is nothing but a series of crises." Isaac Bashevis Singer
"My experience is that as soon as people are old enough to know better, they don't know anything at all." Oscar Wilde
"If a nation values anything more than freedom, it will lose its freedom; and the irony of it is that if it is comfort or money that it values more, it will lose that too." W.Somerset Maugham
"My experience is that as soon as people are old enough to know better, they don't know anything at all." Oscar Wilde
"If a nation values anything more than freedom, it will lose its freedom; and the irony of it is that if it is comfort or money that it values more, it will lose that too." W.Somerset Maugham