/////////////////////////////////////////////////////////////////////////////////////////////////
//
// HandleEventOnUIThread()
//
// This is invoked on the main UI thread by the sample UIA event handler when a focus
// change occurs. (The event handler itself runs on a background MTA created by UIA.)
//
/////////////////////////////////////////////////////////////////////////////////////////////////
private void HandleEventOnUIThread(string strName, Rectangle rectBounding)
{
_highlight.HighlightRect(rectBounding);
if (_synth != null)
{
_synth.SpeakAsyncCancelAll();
_synth.SpeakAsync(strName);
}
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
// HighlightLink()
//
// Highlight the location of a hyperlink in the browser window on the screen.
//
// Runs on the background thread.
//
//////////////////////////////////////////////////////////////////////////////////////////////////////////////
private void HighlightLinkInternal(IUIAutomationElement elementLink, bool fUseCache)
{
try
{
tagRECT rect = elementLink.CurrentBoundingRectangle;
Rectangle rectHighlight = new Rectangle(rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top);
_highlight.HighlightRect(rectHighlight);
}
catch
{
// If an exception is throw trying to access the element, do nothing. This will
// occur if the element no longer exists, (eg the browser window has been closed.)
}
}