public bool Exists(Func <ConditionFactory, ConditionBase> conditionFunc, TimeSpan timeout, TimeSpan offscreenTimeout, bool checkOnScreen = true, ISHAutomationElement parent = null, bool xpathOnly = false)
{
bool exists = true;
bool regenerateXPath = false;
ISHAutomationElement control = null;
if (parent == null)
{
control = GetXPathElementFromCondition(conditionFunc, timeout);
if (control == null && !xpathOnly)
{
regenerateXPath = true;
control = FindFirstDescendant(conditionFunc, timeout: timeout);
}
}
else
{
if (xpathOnly)
{
throw new InvalidOperationException("Cannot search with xpath using parent");
}
control = parent.FindFirstDescendant(conditionFunc, timeout: timeout);
}
if (control == null)
{
exists = false;
}
else if (checkOnScreen)
{
control.WaitUntilPropertyEquals(PropertyId.Register(AutomationType.UIA3, 30022, "IsOffscreen"), false, offscreenTimeout);
exists = control.IsOnscreen;
}
if (parent == null)
{
SaveXPathFromControl((SHAutomationElement)control, conditionFunc, regenerateXPath);
}
return(exists);
}
