arduino-0018-windows

arduino-0018-windows/hardware/tools/avr/share/iwidgets4.0.1/demos/html/scopedobject.n.html

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+<TITLE>scopedobject - Create and manipulate a scoped \[incr Tcl\] class object.</TITLE>
+<H1>scopedobject - Create and manipulate a scoped \[incr Tcl\] class object.</H1>
+
+</pre><H2>SYNOPSIS</H2>
+<B>scopedobject<I> <I>objName </I>?<I>options</I>?
+</pre><H2>INHERITANCE</H2>
+None
+</pre><H2>STANDARD OPTIONS</H2>
+<P>
+<pre>
+Name:                   <B>enterscopecommand:</B>
+Command-Line Switch:	<B>-enterscopecommand</B>
+</pre>
+<UL>
+Specifies a Tcl command to invoke when an object enters scope
+(i.e. when it is created..). The default is {}.
+</UL>
+<P>
+<pre>
+Name:                   <B>enterscopecommand:</B>
+Command-Line Switch:	<B>-enterscopecommand</B>
+</pre>
+<UL>
+Specifies a Tcl command to invoke when an object exits scope
+(i.e. when it is deleted..). The default is {}.
+</UL>
+<P>
+</pre><HR>
+
+</pre><H2>DESCRIPTION</H2>
+<P>
+The <B>scopedobject</B> command creates a base class for defining
+Itcl classes which posses scoped behavior like Tcl variables.
+The objects are only accessible within the procedure in which
+they are instantiated and are deleted when the procedure returns.
+This class was designed to be a general purpose base class for
+supporting scoped incr Tcl classes.  The options include the
+execute a Tcl script command when an object enters and exits its
+scope.
+</pre><H2>METHODS</H2>
+<P>
+The <B>scopedobject</B> command creates a new Tcl command whose
+name is <I>pathName</I>.  This
+command may be used to invoke various operations on the object.
+It has the following general form:
+<pre>
+<I>pathName option </I>?<I>arg arg ...</I>?
+</pre>
+<I>Option</I> and the <I>arg</I>s
+determine the exact behavior of the command.  The following
+commands are possible for scopedobject objects:
+</pre><H2>OBJECT-SPECIFIC METHODS</H2>
+<DL>
+<DT> <I>pathName <B>cget</B> <I>option</I>
+</I></B>
+<DD> Returns the current value of the configuration option given
+by <I>option</I>.
+<I>Option</I> may have any of the values accepted by the <B>scopedobject</B>
+command.
+</DL>
+<DL>
+<DT> <I>pathName</I> <B>configure</B> ?<I>option</I>? ?<I>value option value ...</I>?
+</I></B>
+<DD> Query or modify the configuration options of the object.
+If no <I>option</I> is specified, returns a list describing all of
+the available options for <I>pathName</I>.  If <I>option</I> is specified
+with no <I>value</I>, then the command returns a list describing the
+one named option (this list will be identical to the corresponding
+sublist of the value returned if no <I>option</I> is specified).  If
+one or more <I>option-value</I> pairs are specified, then the command
+modifies the given objects option(s) to have the given value(s);  in
+this case the command returns an empty string.
+<I>Option</I> may have any of the values accepted by the <B>scopedobject</B>
+command.
+
+</DL>
+</pre><H2>EXAMPLE</H2>
+<UL>
+The scopedobject was primarily meant to be a base class.  The
+following is an example of usage without inheritance:
+</UL>
+<P>
+<pre>
+  proc scopedobject_demo {} {
+    scopedobject #auto \
+        -exitscopecommand {puts "enter scopedobject_demo"} \
+        -exitscopecommand {puts "exit scopedobject_demo"}
+  }
+
+  scopedobject_demo
+
+</pre>
+</pre><H2>AUTHOR</H2>
+John A. Tucker
+</pre><H2>KEYWORDS</H2>
+scopedobject, object