internal void RaiseExpandCollapseStatePropertyChangedEvent(ExpandCollapseState oldValue, ExpandCollapseState newValue)
{
if (oldValue != newValue)
{
RaisePropertyChangedEvent(ExpandCollapsePatternIdentifiers.ExpandCollapseStateProperty, oldValue, newValue);
}
}
/// ---------------------------------------------------------------
/// <summary>
/// Will call the approprate ExpandCollapse state to happen
/// </summary>
/// ---------------------------------------------------------------
void expandCollapseMenu(ExpandCollapseState desiredState)
{
ExpandCollapsePattern ecp = this.AutomationElement.GetCurrentPattern(ExpandCollapsePattern.Pattern) as ExpandCollapsePattern;
_desiredState = desiredState;
if (ecp == null)
throw new InvalidOperationException("The element does not support ExpandCallapsePattern");
_ev.Reset();
Automation.AddAutomationPropertyChangedEventHandler(
_element,
TreeScope.Element,
new AutomationPropertyChangedEventHandler(ExpandCollapseEventHandler),
new AutomationProperty[] { ExpandCollapsePattern.ExpandCollapseStateProperty });
// Cause the state to happen
switch (desiredState)
{
case ExpandCollapseState.Collapsed:
ecp.Collapse();
break;
case ExpandCollapseState.Expanded:
/* changing to new flexible logging */
//Logger.LogComment("Expanding " + _element.Current.Name);
UIVerifyLogger.LogComment("Expanding " + _element.Current.Name);
// There can be times when there is already another menu opened and
// we throw an expection, which will dismiss it, do it again.
try
{
ecp.Expand();
}
catch (Exception exception)
{
if (Library.IsCriticalException(exception))
throw;
ecp.Expand();
}
break;
case ExpandCollapseState.LeafNode:
throw new NotImplementedException();
case ExpandCollapseState.PartiallyExpanded:
throw new NotImplementedException();
default:
throw new Exception("Have not implemented case for " + desiredState);
}
_ev.WaitOne(10000, false);
while (ecp.Current.ExpandCollapseState != desiredState)
{
throw new Exception("ExpandCollapsePattern.ExpandCollapseStateProperty != " + desiredState.ToString());
}
}
private static extern string Test_IExpandCollapseProviderExpand(
[MarshalAs(UnmanagedType.IUnknown)] object pUnk,
ExpandCollapseState expected);
