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Ruslan K
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Question Ruslan K · Oct 14, 2017

ZenMethod in onunloadHandler

#Caché #ZEN

I want to call ZenMethod when page is closing. Is it possible?

I tried

ClientMethod onunloadHandler() [ Language = javascript ]
{
    zenPage.SomeZenMethod();
}


Method SomeZenMethod() [ ZenMethod ]
{
    // to do some work
}

but it is not working

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Comments

Vitaliy Serdtsev · Oct 16, 2017

Synchronous and Asynchronous Methods

  1. ClientMethod onunloadHandler() [ Language = javascript ]
{
  this.SomeZenMethod();
}
    <FONT COLOR="#000080">ClassMethod </FONT><FONT COLOR="#000000">SomeZenMethod() </FONT><FONT COLOR="#000080">As %Status </FONT><FONT COLOR="#000000">[ </FONT><FONT COLOR="#000080">ZenMethod </FONT><FONT COLOR="#000000">]
{
  </FONT><FONT COLOR="#008000">// to do some work
  </FONT><FONT COLOR="#0000ff">quit $$$OK
</FONT><FONT COLOR="#000000">}</FONT>
  2. <FONT COLOR="#000080">ClientMethod </FONT><FONT COLOR="#000000">onunloadHandler() [ </FONT><FONT COLOR="#000080">Language </FONT><FONT COLOR="#000000">= javascript ]
{
  </FONT><FONT COLOR="#008080">var </FONT><FONT COLOR="#000000">old </FONT><FONT COLOR="#000080">= </FONT><FONT COLOR="#000000">zenSynchronousMode;
  zenSynchronousMode </FONT><FONT COLOR="#000080">= </FONT><FONT COLOR="#000000">true;
  </FONT><FONT COLOR="#800000">this</FONT><FONT COLOR="#000000">.SomeZenMethod();
  zenSynchronousMode </FONT><FONT COLOR="#000080">= </FONT><FONT COLOR="#000000">old;
}</FONT>

    <FONT COLOR="#000080">ClassMethod </FONT><FONT COLOR="#000000">SomeZenMethod() [ </FONT><FONT COLOR="#000080">ZenMethod </FONT><FONT COLOR="#000000">]
{
  </FONT><FONT COLOR="#008000">// to do some work
</FONT><FONT COLOR="#000000">}</FONT>
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