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Passing variables

edited February 2007 in Vanilla 1.0 Help
I'm sure this problem is a product of my lack of general OOP knowledge and the manner in which I'm doing things but if someone could explain to me how I pass a variable from a control to a body onLoad function, I'd be eternally grateful.

Loose idea is this:

class className extends PostBackControl { var $variable; function className(&$Context) { ... } function Render() { //set variable to say "10" value here with what syntax? } } $Context->BodyAttributes .= " onload=passVariable(".$Context->className->$variable.") ";

Obviously i'm getting nothing but I quite clearly don't understand referencing and setting variables from different stages of a control. Is it that its too late to pass something to the body attributes once at the Render stage? I was thinking everything was parsed before rendering? Confused...

thanks for any help.

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    I'm not sure if $Context contains a refrence to all present class names... but I do know it contains an array that you can pass information in and out of:

    class className extends PostBackControl { var $variable; vat $Context; // be sure to pass $Context in the constructor like the core Vanilla classes... function Render() { $this->Context->PassThruVars['variable'] = 10; } } $Context->BodyAttributes .= 'onload="passVariable(\''. $Context->PassThurVars['variable'] .'\');" ';
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