thanks
<html><div>--------------------------------------------- <BR>Steven Boynes <BR>580 37th Avenue<BR>San Francisco, CA 94121<BR>(530)574-2129 (Home/Mobile) <BR></div></html>
>From: Jeffry Houser <[EMAIL PROTECTED]>
>Reply-To: [EMAIL PROTECTED]
>To: [EMAIL PROTECTED]
>Subject: Re: [CFCDev] concerning this / variables scope in cfc
>Date: Sun, 14 Nov 2004 21:03:23 -0500
>
>
> variables.instance.varname will create a "protected" variable.
>That means it can be accessed inside the CFC and by any descendants
>of the CFC, however it cannot be accessed outside the CFC. ( Sean
>described the difference between protected and private earlier in
>this thread). The variable it creates is a structure named instance
>with a key of "varname". ( I assume most of your CFCs have more
>than one instance variable of course... )
>
> this.variables.instance.varname will create a public variable.
>That means it can be accessed from within the CFC, within its
>descendants, and from outside the CFC. Unless I miss my guess, it
>will create a structure called variables (probably not a good name
>for a variable) with a "key" named instance. Instance is actually
>another structure, which contains a key named varname.
>
>
> so..
>
>variables.ThisVar cannot be accessed using
>componentInstance.ThisVar
>this.ThisVar can be accessed using componentInstance.ThisVar
>
> Make sense? I've never "this", but I assume structures inside the
>'scope' can be accessed in the same manner (
>componentInstance.this.variables.instance.varname )
>
>
>At 06:44 PM 11/14/2004, you wrote:
>>I didn't realize that the THIS scope was public, I used the
>>developer study guide as my reference and thought it referred to
>>the private scope of each instance of a CFC...
>>
>>I took an intro Java class and trying to put things to work in CF.
>>Previously I had placed all instance variables in the variables
>>scope, so basically at the top of the CFC I would declare
>>variables.instance.varname for each instance variable...and then I
>>decided to change it to this.variables.instance.varname... now I'm
>>confused, whats the difference?
>>
>>-Steve
>>
>>
>>---------------------------------------------
>>Steven Boynes
>>580 37th Avenue
>>San Francisco, CA 94121
>>(530)574-2129 (Home/Mobile)
>>
>>
>>
>>&gt;From: Sean Corfield &lt;[EMAIL PROTECTED]&gt;
>>&gt;Reply-To: [EMAIL PROTECTED]
>>&gt;To: [EMAIL PROTECTED]
>>&gt;Subject: Re: [CFCDev] concerning this / variables scope in cfc
>>&gt;Date: Sun, 14 Nov 2004 09:01:45 -0800
>>&gt;
>>&gt;On Sun, 14 Nov 2004 17:28:07 +0100, Magnus Wege
>>&lt;[EMAIL PROTECTED]&gt; wrote:
>>&gt; &gt; In the overview it is mentioned that you shouldn't use
>>the
>>variables scope
>>&gt; &gt; (&quot;avoid using&quot;).
>>&gt;
>>&gt;That's very out-of-date as it refers to bugs in CFMX 6.0 that
>>have
>>&gt;been fixed for two years (with CFMX 6.1).
>>&gt;
>>&gt; &gt; Though Nando is right that the &quot;this&quot; scope is
>>available
>>to
>>&gt; &gt; the caller which breaks the encapsulation paradigm.
>>&gt;
>>&gt;&quot;this&quot; scope is the equivalent to &quot;public&quot;
>>data
>>members - and all the
>>&gt;literature out there will tell you not to use public data
>>members.
>>&gt;
>>&gt;&quot;variables&quot; scope is the equivalent of
>>&quot;protected&quot;
>>data members. If
>>&gt;your object needs state information, it will use
>>&quot;variables&quot;
>>scope.
>>&gt;&quot;variables&quot; scope exists for the lifetime of the CFC
>>instance
>>(which
>>&gt;depends on the scope in which the CFC instance itself is
>>stored).
>>&gt;
>>&gt;&quot;var&quot; - not exactly a scope, but you should use it to
>>declare
>>any and
>>&gt;all variables that should be local to a specific function call.
>>Such
>>&gt;variables are created fresh for each function call and exist
>>only
>>&gt;inside that function.
>>&gt;
>>&gt; &gt; -----Urspr�ngliche Nachricht-----
>>&gt;
>>&gt;And you really need to trim your posts...
>>&gt;
>>&gt;[many hundreds of lines deleted]
>>&gt;--
>>&gt;Sean A Corfield -- http://www.corfield.org/
>>&gt;Team Fusebox -- http://www.fusebox.org/
>>&gt;Breeze Me! -- http://www.corfield.org/breezeme
>>&gt;Got Gmail? -- I have 1 invite
>>&gt;
>>&gt;&quot;If you're not annoying somebody, you're not really
>>alive.&quot;
>>&gt;-- Margaret Atwood
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>>
>>
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>
>--
>Jeffry Houser, Web Developer, Writer, Songwriter, Recording Engineer
>AIM: Reboog711 | Phone: 1-203-379-0773
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>
>
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