nodify | Highly performant and modular controls | Editor library
kandi X-RAY | nodify Summary
kandi X-RAY | nodify Summary
A collection of high performance controls for node based editors designed for MVVM.
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QUESTION
I created a windows service with Top Shelf. This service tests the battery level and when battery successfully charged(80%) it opens any UI Windows Form or application to nodify me about that (In this example it opens .txt). When i test it in Visual Studio in works perfectly so my UI or any application apperas both in Task Manager and Desktop but when i install it as service, UI or any application appears only in Task Manger not in Desktop here is code:
...ANSWER
Answered 2020-Feb-24 at 22:34http://securityinternals.blogspot.com/2014/02/windows-session-0-isolation.html
You can read the details in the article, but suffice it to say that Windows services cannot interact with the desktop of regular users anymore. My guess is that your form is actually opening in Session 0, which is not something you'll normally be able to view or interact with.
In order to get around this problem, here's what my project has done.
We have created a Windows service that exposes some mechanism for communicating with it. In our case, the Windows service originally exposed a WCF-based interface using both sockets and pipes. Because of the overhead, we eventually moved to a TCP socket over localhost, and today we are using shared memory. The mechanism doesn't really matter for the purpose of this discussion. Your service just has to provide some way for a user-run application to connect, communicate, and disconnect.
Once this is in place, you can build an application that provides a UI for communicating with the service. We've done this and allowed the application to be minimized to the system tray to give the appearance that it's a behind-the-scenes thing. The system tray icon then provides a popup menu that allows the user to send commands directly to the service or open the application for additional features.
HTH
QUESTION
open System
open System.Collections.Generic
type Node<'a>(expr:'a, symbol:int) =
member x.Expression = expr
member x.Symbol = symbol
override x.GetHashCode() = symbol
override x.Equals(y) =
match y with
| :? Node<'a> as y -> symbol = y.Symbol
| _ -> failwith "Invalid equality for Node."
interface IComparable with
member x.CompareTo(y) =
match y with
| :? Node<'a> as y -> compare symbol y.Symbol
| _ -> failwith "Invalid comparison for Node."
type Ty =
| Int
| String
| Tuple of Ty list
| Rec of Node
| Union of Ty list
type NodeDict<'a> = Dictionary<'a,Node<'a>>
let get_nodify_tag =
let mutable i = 0
fun () -> i <- i+1; i
let nodify (dict: NodeDict<_>) x =
match dict.TryGetValue x with
| true, x -> x
| false, _ ->
let x' = Node(x,get_nodify_tag())
dict.[x] <- x'
x'
let d = Dictionary(HashIdentity.Structural)
let nodify_ty x = nodify d x
let rec int_string_stream =
Union
[
Tuple [Int; Rec (nodify_ty (int_string_stream))]
Tuple [String; Rec (nodify_ty (int_string_stream))]
]
...ANSWER
Answered 2017-Aug-09 at 12:58I think you will need to add some form of explicit "delay" to the discriminated union that represents your types. Without an explicit delay, you'll always end up fully evaluating the types and so there is no potential for closing the loop.
Something like this seems to work:
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