public void PushPopTest()
{
CacheRequest defaultCR = CacheRequest.Current;
CacheRequest target = new CacheRequest();
target.TreeScope = TreeScope.Children;
target.Push();
CacheRequest target2 = new CacheRequest();
target2.TreeScope = TreeScope.Subtree;
target2.Push();
// Try to change target2 - this should fail
try
{
target2.TreeScope = TreeScope.Descendants;
Assert.Fail("exception expected");
}
catch (System.InvalidOperationException)
{
}
target2.Pop();
target.Pop();
Assert.AreEqual(CacheRequest.Current, defaultCR);
}
protected internal void SubscribeToEvents(HasControlInputCmdletBase cmdlet,
AutomationElement inputObject,
AutomationEvent eventType,
AutomationProperty prop)
{
AutomationEventHandler uiaEventHandler;
AutomationPropertyChangedEventHandler uiaPropertyChangedEventHandler;
StructureChangedEventHandler uiaStructureChangedEventHandler;
AutomationFocusChangedEventHandler uiaFocusChangedEventHandler;
// 20130109
if (null == CurrentData.Events) {
CurrentData.InitializeEventCollection();
}
try {
CacheRequest cacheRequest = new CacheRequest();
cacheRequest.AutomationElementMode = AutomationElementMode.Full; //.None;
cacheRequest.TreeFilter = Automation.RawViewCondition;
cacheRequest.Add(AutomationElement.NameProperty);
cacheRequest.Add(AutomationElement.AutomationIdProperty);
cacheRequest.Add(AutomationElement.ClassNameProperty);
cacheRequest.Add(AutomationElement.ControlTypeProperty);
//cacheRequest.Add(AutomationElement.ProcessIdProperty);
// cache patterns?
// cacheRequest.Activate();
cacheRequest.Push();
switch (eventType.ProgrammaticName) {
case "InvokePatternIdentifiers.InvokedEvent":
this.WriteVerbose(cmdlet, "subscribing to the InvokedEvent handler");
Automation.AddAutomationEventHandler(
InvokePattern.InvokedEvent,
inputObject,
TreeScope.Element, // TreeScope.Subtree, // TreeScope.Element,
// uiaEventHandler = new AutomationEventHandler(OnUIAutomationEvent));
//uiaEventHandler = new AutomationEventHandler(handler));
//uiaEventHandler = new AutomationEventHandler(((EventCmdletBase)cmdlet).AutomationEventHandler));
uiaEventHandler = new AutomationEventHandler(cmdlet.AutomationEventHandler));
UIAHelper.WriteEventToCollection(cmdlet, uiaEventHandler);
// 20130327
//this.WriteObject(cmdlet, uiaEventHandler);
if (cmdlet.PassThru) { cmdlet.WriteObject(cmdlet, uiaEventHandler); } else { cmdlet.WriteObject(cmdlet, true); }
break;
case "TextPatternIdentifiers.TextChangedEvent":
this.WriteVerbose(cmdlet, "subscribing to the TextChangedEvent handler");
Automation.AddAutomationEventHandler(
TextPattern.TextChangedEvent,
inputObject,
TreeScope.Element,
// uiaEventHandler = new AutomationEventHandler(OnUIAutomationEvent));
//uiaEventHandler = new AutomationEventHandler(handler));
//uiaEventHandler = new AutomationEventHandler(((EventCmdletBase)cmdlet).AutomationEventHandler));
uiaEventHandler = new AutomationEventHandler(cmdlet.AutomationEventHandler));
UIAHelper.WriteEventToCollection(cmdlet, uiaEventHandler);
// 20130327
//this.WriteObject(cmdlet, uiaEventHandler);
if (cmdlet.PassThru) { cmdlet.WriteObject(cmdlet, uiaEventHandler); } else { cmdlet.WriteObject(cmdlet, true); }
break;
case "TextPatternIdentifiers.TextSelectionChangedEvent":
this.WriteVerbose(cmdlet, "subscribing to the TextSelectionChangedEvent handler");
Automation.AddAutomationEventHandler(
TextPattern.TextSelectionChangedEvent,
inputObject,
TreeScope.Element,
// uiaEventHandler = new AutomationEventHandler(OnUIAutomationEvent));
//uiaEventHandler = new AutomationEventHandler(handler));
//uiaEventHandler = new AutomationEventHandler(((EventCmdletBase)cmdlet).AutomationEventHandler));
uiaEventHandler = new AutomationEventHandler(cmdlet.AutomationEventHandler));
UIAHelper.WriteEventToCollection(cmdlet, uiaEventHandler);
// 20130327
//this.WriteObject(cmdlet, uiaEventHandler);
if (cmdlet.PassThru) { cmdlet.WriteObject(cmdlet, uiaEventHandler); } else { cmdlet.WriteObject(cmdlet, true); }
break;
case "WindowPatternIdentifiers.WindowOpenedProperty":
this.WriteVerbose(cmdlet, "subscribing to the WindowOpenedEvent handler");
Automation.AddAutomationEventHandler(
WindowPattern.WindowOpenedEvent,
inputObject,
TreeScope.Subtree,
// uiaEventHandler = new AutomationEventHandler(OnUIAutomationEvent));
//uiaEventHandler = new AutomationEventHandler(handler));
//uiaEventHandler = new AutomationEventHandler(((EventCmdletBase)cmdlet).AutomationEventHandler));
uiaEventHandler = new AutomationEventHandler(cmdlet.AutomationEventHandler));
UIAHelper.WriteEventToCollection(cmdlet, uiaEventHandler);
// 20130327
//this.WriteObject(cmdlet, uiaEventHandler);
if (cmdlet.PassThru) { cmdlet.WriteObject(cmdlet, uiaEventHandler); } else { cmdlet.WriteObject(cmdlet, true); }
break;
case "AutomationElementIdentifiers.AutomationPropertyChangedEvent":
if (prop != null) {
this.WriteVerbose(cmdlet, "subscribing to the AutomationPropertyChangedEvent handler");
Automation.AddAutomationPropertyChangedEventHandler(
inputObject,
TreeScope.Subtree,
uiaPropertyChangedEventHandler =
// new AutomationPropertyChangedEventHandler(OnUIAutomationPropertyChangedEvent),
//new AutomationPropertyChangedEventHandler(handler),
//new AutomationPropertyChangedEventHandler(((EventCmdletBase)cmdlet).AutomationPropertyChangedEventHandler),
new AutomationPropertyChangedEventHandler(cmdlet.AutomationPropertyChangedEventHandler),
prop);
UIAHelper.WriteEventToCollection(cmdlet, uiaPropertyChangedEventHandler);
// 20130327
//this.WriteObject(cmdlet, uiaPropertyChangedEventHandler);
if (cmdlet.PassThru) { cmdlet.WriteObject(cmdlet, uiaPropertyChangedEventHandler); } else { cmdlet.WriteObject(cmdlet, true); }
}
break;
case "AutomationElementIdentifiers.StructureChangedEvent":
this.WriteVerbose(cmdlet, "subscribing to the StructureChangedEvent handler");
Automation.AddStructureChangedEventHandler(
inputObject,
TreeScope.Subtree,
uiaStructureChangedEventHandler =
// new StructureChangedEventHandler(OnUIStructureChangedEvent));
//new StructureChangedEventHandler(handler));
//new StructureChangedEventHandler(((EventCmdletBase)cmdlet).StructureChangedEventHandler));
new StructureChangedEventHandler(cmdlet.StructureChangedEventHandler));
UIAHelper.WriteEventToCollection(cmdlet, uiaStructureChangedEventHandler);
// 20130327
//this.WriteObject(cmdlet, uiaStructureChangedEventHandler);
if (cmdlet.PassThru) { cmdlet.WriteObject(cmdlet, uiaStructureChangedEventHandler); } else { cmdlet.WriteObject(cmdlet, true); }
break;
case "WindowPatternIdentifiers.WindowClosedProperty":
this.WriteVerbose(cmdlet, "subscribing to the WindowClosedEvent handler");
Automation.AddAutomationEventHandler(
WindowPattern.WindowClosedEvent,
inputObject,
TreeScope.Subtree,
// uiaEventHandler = new AutomationEventHandler(OnUIAutomationEvent));
//uiaEventHandler = new AutomationEventHandler(handler));
//uiaEventHandler = new AutomationEventHandler(((EventCmdletBase)cmdlet).AutomationEventHandler));
uiaEventHandler = new AutomationEventHandler(cmdlet.AutomationEventHandler));
UIAHelper.WriteEventToCollection(cmdlet, uiaEventHandler);
// 20130327
//this.WriteObject(cmdlet, uiaEventHandler);
if (cmdlet.PassThru) { cmdlet.WriteObject(cmdlet, uiaEventHandler); } else { cmdlet.WriteObject(cmdlet, true); }
break;
case "AutomationElementIdentifiers.MenuClosedEvent":
this.WriteVerbose(cmdlet, "subscribing to the MenuClosedEvent handler");
Automation.AddAutomationEventHandler(
AutomationElement.MenuClosedEvent,
inputObject,
TreeScope.Subtree,
uiaEventHandler = new AutomationEventHandler(cmdlet.AutomationEventHandler));
UIAHelper.WriteEventToCollection(cmdlet, uiaEventHandler);
// 20130327
//this.WriteObject(cmdlet, uiaEventHandler);
if (cmdlet.PassThru) { cmdlet.WriteObject(cmdlet, uiaEventHandler); } else { cmdlet.WriteObject(cmdlet, true); }
break;
case "AutomationElementIdentifiers.MenuOpenedEvent":
this.WriteVerbose(cmdlet, "subscribing to the MenuOpenedEvent handler");
Automation.AddAutomationEventHandler(
AutomationElement.MenuOpenedEvent,
inputObject,
TreeScope.Subtree,
uiaEventHandler = new AutomationEventHandler(cmdlet.AutomationEventHandler));
UIAHelper.WriteEventToCollection(cmdlet, uiaEventHandler);
// 20130327
//this.WriteObject(cmdlet, uiaEventHandler);
if (cmdlet.PassThru) { cmdlet.WriteObject(cmdlet, uiaEventHandler); } else { cmdlet.WriteObject(cmdlet, true); }
break;
case "AutomationElementIdentifiers.ToolTipClosedEvent":
this.WriteVerbose(cmdlet, "subscribing to the ToolTipClosedEvent handler");
Automation.AddAutomationEventHandler(
AutomationElement.ToolTipClosedEvent,
inputObject,
TreeScope.Subtree,
uiaEventHandler = new AutomationEventHandler(cmdlet.AutomationEventHandler));
UIAHelper.WriteEventToCollection(cmdlet, uiaEventHandler);
// 20130327
//this.WriteObject(cmdlet, uiaEventHandler);
if (cmdlet.PassThru) { cmdlet.WriteObject(cmdlet, uiaEventHandler); } else { cmdlet.WriteObject(cmdlet, true); }
break;
case "AutomationElementIdentifiers.ToolTipOpenedEvent":
this.WriteVerbose(cmdlet, "subscribing to the ToolTipOpenedEvent handler");
Automation.AddAutomationEventHandler(
AutomationElement.ToolTipOpenedEvent,
inputObject,
TreeScope.Subtree,
uiaEventHandler = new AutomationEventHandler(cmdlet.AutomationEventHandler));
UIAHelper.WriteEventToCollection(cmdlet, uiaEventHandler);
// 20130327
//this.WriteObject(cmdlet, uiaEventHandler);
if (cmdlet.PassThru) { cmdlet.WriteObject(cmdlet, uiaEventHandler); } else { cmdlet.WriteObject(cmdlet, true); }
break;
case "AutomationElementIdentifiers.AutomationFocusChangedEvent":
WriteVerbose(cmdlet, "subscribing to the AutomationFocusChangedEvent handler");
Automation.AddAutomationFocusChangedEventHandler(
//AutomationElement.AutomationFocusChangedEvent,
//inputObject,
//System.Windows.Automation.AutomationElement.RootElement,
//TreeScope.Subtree,
uiaFocusChangedEventHandler = new AutomationFocusChangedEventHandler(cmdlet.AutomationEventHandler));
UIAHelper.WriteEventToCollection(cmdlet, uiaFocusChangedEventHandler);
// 20130327
//this.WriteObject(cmdlet, uiaFocusChangedEventHandler);
if (cmdlet.PassThru) { cmdlet.WriteObject(cmdlet, uiaFocusChangedEventHandler); } else { cmdlet.WriteObject(cmdlet, true); }
break;
default:
this.WriteVerbose(cmdlet,
"the following event has not been subscribed to: " +
eventType.ProgrammaticName);
break;
}
this.WriteVerbose(cmdlet, "on the object " + inputObject.Current.Name);
cacheRequest.Pop();
}
catch (Exception e) {
// try {
// ErrorRecord err = new ErrorRecord(
// e,
// "RegisteringEvent",
// ErrorCategory.OperationStopped,
// inputObject);
// err.ErrorDetails =
// new ErrorDetails("Unable to register event handler " +
// // handler.ToString());
// eventType.ProgrammaticName +
// " for " +
// inputObject.Current.Name);
// // this.OnSuccessAction.ToString());
// WriteError(this, err, false);
// }
// catch {
// ErrorRecord err = new ErrorRecord(
// e,
// "RegisteringEvent",
// ErrorCategory.OperationStopped,
// inputObject);
// err.ErrorDetails =
// new ErrorDetails("Unable to register event handler " +
// eventType.ProgrammaticName);;
// WriteError(this, err, false);
// }
WriteVerbose(cmdlet,
"Unable to register event handler " +
eventType.ProgrammaticName +
" for " +
inputObject.Current.Name);
WriteVerbose(cmdlet,
e.Message);
}
}