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Create Event Handler to Update Button Status

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Availability of a command may vary with every mouse click or keystroke. The custom event OnUpdateCmdUI of XMLSpyControl gives us an opportunity to update the enabled/disabled state of buttons associated with XMLSpy commands. The method XMLSpyControl.QueryStatus is used to query whether a command is enabled or not.

function objXMLSpyX::OnUpdateCmdUI()
{
if ( document.readyState == "complete" )// 'complete'
{
// update status of buttons
btnWellFormed.disabled = ! (objDoc1.QueryStatus(34049) & 0x02); // not enabled
btnValidate.disabled = ! (objDoc1.QueryStatus(34174) & 0x02); // not enabled
}
}