WPF async access.

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open System
open System.Windows
open System.Threading
open System.Timers
open FsXaml

type WpfBuilder(ui:UIElement)=
    let disp=ui.Dispatcher
    let Fn (fn:(unit-> 'a))=new Func<'a>(fn)|>disp.Invoke
//    let Fn (fn:(unit-> 'a))=new Func<'a>(fn)|>disp.Invoke :?> 'a //for old F#/ .Net framework versions
    member ob.Zero()=()
    member ob.Delay(fn)=Fn fn
    member ob.Return(x)=(fun _ ->x)|>Fn

type Winr=XAML<"MainForm.xaml">

let win=new Winr()
let wpf=new WpfBuilder(win)

let tmr=new Timer(2000.0,Enabled=true)
tmr.Elapsed.Add(fun _->let head=wpf{let h=win.Title
                                    win.Title<-h+"..."
                                    return h}
                       Thread.Sleep(1000)
                       wpf{win.Title<-head+"."})

let app=new Application()
[<STAThread>]
app.Run(win)|>ignore

namespace System

namespace System.Windows

namespace System.Threading

namespace System.Timers

Multiple items
type WpfBuilder =
  new : ui:Winr -> WpfBuilder
  member Delay : fn:(unit -> 'c) -> 'd
  member Return : x:'a -> 'b
  member Zero : unit -> unit

Full name: Script.WpfBuilder

--------------------
new : ui:Winr -> WpfBuilder

val ui : Winr

val disp : obj

val Fn : ((unit -> 'a) -> 'a0)

val fn : (unit -> 'a)

type unit = Unit

Full name: Microsoft.FSharp.Core.unit

Multiple items
type Func<'TResult> =
  delegate of unit -> 'TResult

Full name: System.Func<_>

--------------------
type Func<'T,'TResult> =
  delegate of 'T -> 'TResult

Full name: System.Func<_,_>

--------------------
type Func<'T1,'T2,'TResult> =
  delegate of 'T1 * 'T2 -> 'TResult

Full name: System.Func<_,_,_>

--------------------
type Func<'T1,'T2,'T3,'TResult> =
  delegate of 'T1 * 'T2 * 'T3 -> 'TResult

Full name: System.Func<_,_,_,_>

--------------------
type Func<'T1,'T2,'T3,'T4,'TResult> =
  delegate of 'T1 * 'T2 * 'T3 * 'T4 -> 'TResult

Full name: System.Func<_,_,_,_,_>

--------------------
type Func<'T1,'T2,'T3,'T4,'T5,'TResult> =
  delegate of 'T1 * 'T2 * 'T3 * 'T4 * 'T5 -> 'TResult

Full name: System.Func<_,_,_,_,_,_>

--------------------
type Func<'T1,'T2,'T3,'T4,'T5,'T6,'TResult> =
  delegate of 'T1 * 'T2 * 'T3 * 'T4 * 'T5 * 'T6 -> 'TResult

Full name: System.Func<_,_,_,_,_,_,_>

--------------------
type Func<'T1,'T2,'T3,'T4,'T5,'T6,'T7,'TResult> =
  delegate of 'T1 * 'T2 * 'T3 * 'T4 * 'T5 * 'T6 * 'T7 -> 'TResult

Full name: System.Func<_,_,_,_,_,_,_,_>

--------------------
type Func<'T1,'T2,'T3,'T4,'T5,'T6,'T7,'T8,'TResult> =
  delegate of 'T1 * 'T2 * 'T3 * 'T4 * 'T5 * 'T6 * 'T7 * 'T8 -> 'TResult

Full name: System.Func<_,_,_,_,_,_,_,_,_>

--------------------
type Func<'T1,'T2,'T3,'T4,'T5,'T6,'T7,'T8,'T9,'TResult> =
  delegate of 'T1 * 'T2 * 'T3 * 'T4 * 'T5 * 'T6 * 'T7 * 'T8 * 'T9 -> 'TResult

Full name: System.Func<_,_,_,_,_,_,_,_,_,_>

--------------------
type Func<'T1,'T2,'T3,'T4,'T5,'T6,'T7,'T8,'T9,'T10,'TResult> =
  delegate of 'T1 * 'T2 * 'T3 * 'T4 * 'T5 * 'T6 * 'T7 * 'T8 * 'T9 * 'T10 -> 'TResult

Full name: System.Func<_,_,_,_,_,_,_,_,_,_,_>

--------------------
type Func<'T1,'T2,'T3,'T4,'T5,'T6,'T7,'T8,'T9,'T10,'T11,'TResult> =
  delegate of 'T1 * 'T2 * 'T3 * 'T4 * 'T5 * 'T6 * 'T7 * 'T8 * 'T9 * 'T10 * 'T11 -> 'TResult

Full name: System.Func<_,_,_,_,_,_,_,_,_,_,_,_>

--------------------
type Func<'T1,'T2,'T3,'T4,'T5,'T6,'T7,'T8,'T9,'T10,'T11,'T12,'TResult> =
  delegate of 'T1 * 'T2 * 'T3 * 'T4 * 'T5 * 'T6 * 'T7 * 'T8 * 'T9 * 'T10 * 'T11 * 'T12 -> 'TResult

Full name: System.Func<_,_,_,_,_,_,_,_,_,_,_,_,_>

--------------------
type Func<'T1,'T2,'T3,'T4,'T5,'T6,'T7,'T8,'T9,'T10,'T11,'T12,'T13,'TResult> =
  delegate of 'T1 * 'T2 * 'T3 * 'T4 * 'T5 * 'T6 * 'T7 * 'T8 * 'T9 * 'T10 * 'T11 * 'T12 * 'T13 -> 'TResult

Full name: System.Func<_,_,_,_,_,_,_,_,_,_,_,_,_,_>

--------------------
type Func<'T1,'T2,'T3,'T4,'T5,'T6,'T7,'T8,'T9,'T10,'T11,'T12,'T13,'T14,'TResult> =
  delegate of 'T1 * 'T2 * 'T3 * 'T4 * 'T5 * 'T6 * 'T7 * 'T8 * 'T9 * 'T10 * 'T11 * 'T12 * 'T13 * 'T14 -> 'TResult

Full name: System.Func<_,_,_,_,_,_,_,_,_,_,_,_,_,_,_>

--------------------
type Func<'T1,'T2,'T3,'T4,'T5,'T6,'T7,'T8,'T9,'T10,'T11,'T12,'T13,'T14,'T15,'TResult> =
  delegate of 'T1 * 'T2 * 'T3 * 'T4 * 'T5 * 'T6 * 'T7 * 'T8 * 'T9 * 'T10 * 'T11 * 'T12 * 'T13 * 'T14 * 'T15 -> 'TResult

Full name: System.Func<_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_>

--------------------
type Func<'T1,'T2,'T3,'T4,'T5,'T6,'T7,'T8,'T9,'T10,'T11,'T12,'T13,'T14,'T15,'T16,'TResult> =
  delegate of 'T1 * 'T2 * 'T3 * 'T4 * 'T5 * 'T6 * 'T7 * 'T8 * 'T9 * 'T10 * 'T11 * 'T12 * 'T13 * 'T14 * 'T15 * 'T16 -> 'TResult

Full name: System.Func<_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_>

val ob : WpfBuilder

member WpfBuilder.Zero : unit -> unit

Full name: Script.WpfBuilder.Zero

member WpfBuilder.Delay : fn:(unit -> 'c) -> 'd

Full name: Script.WpfBuilder.Delay

val fn : (unit -> 'c)

member WpfBuilder.Return : x:'a -> 'b

Full name: Script.WpfBuilder.Return

val x : 'a

type Winr = obj

Full name: Script.Winr

val win : Winr

Full name: Script.win

val wpf : WpfBuilder

Full name: Script.wpf

val tmr : Timer

Full name: Script.tmr

Multiple items
type Timer =
  inherit Component
  new : unit -> Timer + 1 overload
  member AutoReset : bool with get, set
  member BeginInit : unit -> unit
  member Close : unit -> unit
  member Enabled : bool with get, set
  member EndInit : unit -> unit
  member Interval : float with get, set
  member Site : ISite with get, set
  member Start : unit -> unit
  member Stop : unit -> unit
  ...

Full name: System.Timers.Timer

--------------------
Timer() : unit
Timer(interval: float) : unit

event Timer.Elapsed: IEvent<ElapsedEventHandler,ElapsedEventArgs>

member IObservable.Add : callback:('T -> unit) -> unit

val head : obj

val h : obj

Multiple items
type Thread =
  inherit CriticalFinalizerObject
  new : start:ThreadStart -> Thread + 3 overloads
  member Abort : unit -> unit + 1 overload
  member ApartmentState : ApartmentState with get, set
  member CurrentCulture : CultureInfo with get, set
  member CurrentUICulture : CultureInfo with get, set
  member DisableComObjectEagerCleanup : unit -> unit
  member ExecutionContext : ExecutionContext
  member GetApartmentState : unit -> ApartmentState
  member GetCompressedStack : unit -> CompressedStack
  member GetHashCode : unit -> int
  ...

Full name: System.Threading.Thread

--------------------
Thread(start: ThreadStart) : unit
Thread(start: ParameterizedThreadStart) : unit
Thread(start: ThreadStart, maxStackSize: int) : unit
Thread(start: ParameterizedThreadStart, maxStackSize: int) : unit

Thread.Sleep(timeout: TimeSpan) : unit
Thread.Sleep(millisecondsTimeout: int) : unit

val app : obj

Full name: Script.app

Multiple items
type STAThreadAttribute =
  inherit Attribute
  new : unit -> STAThreadAttribute

Full name: System.STAThreadAttribute

--------------------
STAThreadAttribute() : unit

val ignore : value:'T -> unit

Full name: Microsoft.FSharp.Core.Operators.ignore