c# - WPF: Custom routed event with extra information -

-

I have a normal WPF window, let's call it TopLevel , in which one The bunch is, among other things, in a simple ListView , some events should be logged in various elements in the application.

It looks like I have a group of user controls called grid in TopLevel which contains work each , there is an object with them, let's call it a order , as well as a standard checkbox.

Now whenever a user checks a checkbox in work , but command objects in the event also top level Should be included, so I can work from TopLevel to keep it in the event log.

How can I do this? I'm guessing that I want to use the rooted event for this, but I did not know how to get the "code" to order the "code" in the check box, call it TopLevel < / Code>.

How to do something like this ... 

  Private Zero checkbox Checked (Object Sender, Routing Avent ARG E) {Sendbox as Checkbox = Checkbox; Job Task = FindPartTkS (Checkboxes); Order order = task.order; }

Because you need to cross the visual tree to work, so you can try some recurring ... 

  public framework Element FindParentTask (framework element element) {if (element.Parent.GetType () == Type (Task)) return element. Parents as FrameworkElement; And again FindParentTask (FrameworkElement as element.Parent); }

I have tested this method to retrieve the parent extension to the check box on one of my user controls, it has several levels of visual tree, the stack Nested dock panels in a pile of pans, grids and stacks, have a cure.


Comments

Post a Comment

Popular posts from this blog

oracle - The fastest way to check if some records in a database table? -

-
I have a big table to work with. I have to see that there are some records whose parent_id is equal to my passing value. Currently I do this by implementing "my_table using select count (*) where parent_id =: id"; If the result> 0, it means that they exist. Because this is a very large table, and I do not care what the actual number of records present, I just want to know if it exists, so I think count (*) Bit is disabled. How do I apply this requirement most quickly? I'm using Oracle 10. # Tips for Hibernation & amp; Tricks It suggests writing in such a way: Integer number = (integer) session .createQuery ("Select Count (*) to ...."). UniqueResult (); I do not know what is the magic of the unique rule? Why does it fast? To compare, select "1 from mytable where parent_id = passId and rowrum", which is more efficient? If you are not interested in the number of records, then there is an EXISTS query one: Select 'y'
Read more

php - multilevel menu with multilevel array -

-
Just ask someone to solve this problem? I want to create a multilevel menu I can not find the right solution generated with multilevel array, it always gets an array_push error My study came from the original idea But still my Can not match the need. This is my MySQL [code] ----- --------------------- --------------- | ID | PARENT_ID | Name | Link | Seq | 1 | 0 | Dashboad | Dashboard / | 1 | 2 | 0 | Menu 1 | Menu 1 / | 2 | 3 | 0 | Menu 2 | Menu 2 / | 3 | 4 | 0 | Menu 3 | Menu 3 / | 4 | 5 | 2 | Joint Add / | 1 | 6 | 3 | Joint Add / | 1 | 7 | 2 | Edit | Edit / | 2 | 8 | 4 | Joint Add / | 1 ------------------------------------------ [/ Code] I want to do something like this in my array array ('dashboard' = & gt; array ('id' = & gt; '' 'Dame' = & gt; 'Dashboard', 'Title' = & gt; 'Dashboard', 'MatchMin' = & gt; Base_URL (). 'Dashboard /', 'Active' => = & Gt; NULL), &
Read more

jQuery UI: Datepicker month format -

-
I am trying to change the format of the month that shows in the popup (not in the date that the picker actually I do not have any choice anywhere to do this, do I like to use a sub-string () or something else? What I normally display is Trying to change: Class = "ui-datepicker-title"> January & lt; / span & gt; ... & lt; / div & gt; Div>
Read more