routedevent_开发者

Get RoutedEvent Source as grandchild of handler

I\'m handling user input in a WPF application, working with RoutedEvents such as MouseDown, MouseMove etc. I\'ve got a good grip of tunneling and bubbling from MSDN\'s Routed Events Overview, but I\'v[详细]

2023-04-12 09:54 分类：问答

Why are my tunneling event arguments object and bubbling event arguments object not equal?

I\'m working through the 70-511 book, and am looking at the section on Routed Events. I noticed it mentions that bubbling-tunneling event pairs share the same EventArgs instance, so if you handle the[详细]

2023-04-10 06:10 分类：问答

How to unit test CanExecuteRoutedEventHandler?

I am trying to write a unit test for the following code: public static void AppExitCmdCanExecute(object sender,[详细]

2023-04-04 13:56 分类：问答

WPF Attached Events vs Non-Attached Events

The question is that after all my research I still can\'t find the difference between a regular routed event and a attached event. What is the functional the difference? or do others agree that there[详细]

2023-03-09 13:06 分类：问答

RoutedEvent Name already used

In WPF, I\'ve created 3 UserControls \"User Configuration\", \"System Configuration\" & \"Account Configuration\". All these user controls have \"Save\" & \"Cancel\" buttons. On click of these[详细]

2023-02-11 09:27 分类：问答

How to catch SourceUpdated for nested children of window?

I would like to know when any input element on my Window has its Binding source updated. The input elements could be TextBox, RadioButton, Slider, ComboBox etc, and may be nested within UserControls[详细]

2023-02-06 02:17 分类：问答

why does the wpftoolkit datepicker eat the return key down event?

I am wondering if anybody knows why the datepicker will pass standard keys to any parent control\'s key down routed event, but not the return key?[详细]

2023-02-02 07:35 分类：问答

WPF Command bindings - how can I get to event handlers

Hi Is there any way to choose from where XAML should use command bindings event handlers? I added copule of command binding to my cusotm control, however functions which are resonsible for execute and[详细]

2023-02-01 06:21 分类：问答

WPF Application Command Bindings doesn't work

Hi I have a strange problem with CommandBindings in WPF. I add CommandBindings in constructor of object. The command bindings looks like that[详细]

2023-01-30 02:27 分类：问答

The bast way to track "modified" of a control?

I have a usercontrol which may contain many different kind 开发者_JAVA百科of controls (e.g. button, textbox, combobox or checkbox). I need a generic way to track if anything has been changed. In most[详细]

2023-01-28 19:37 分类：问答