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WFrameWindow:Send() Method
Send a message to the object
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Syntax
<oWnd>:Send( <cCmd>, <xValue> )   -->   xRet

Arguments
<cCmd> is the message to send.

<xValue> is any value to pass as a parameter to the message.

Returns
The value returned is not usually used.

Description
This method can be used to send an object a message determined
at run-time.  It is mainly used when a menu item is chosen.
If the message does not exist in the object, it is sent to its
parent, if the object has one.  Otherwise, the message is sent
to the application object.  This mechanism lets you handle
messages in the most appropriate place.

Example
oWnd:Send( "Close", x )  // same as oWnd:Close( x ), if it has a Close()