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Fsi with PropertyGrid

This is a small fsx script that views the current 'it' value of Fsi in a PropertyGrid. How to use it: - Copy the source code into a file called FsiProp.fsx and place it next to Fsi.exe - Start Fsi.exe with --load:FsiProp.fsx - Maximize Fsi.exe for full enjoyment. (I placed the PropertyGrid Form on the right screen half.) (Make a .lnk to this if you find it useful, there set Maximize on Fsi.exe) Take FsEye if you want to see what's in 'it' in detail. But you cannot change it there. ;)

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[<AutoOpen>]
module FsiProp
open System
open System.Windows.Forms
let prop = 
    let screen = Screen.PrimaryScreen.Bounds
    let workingArea = Screen.PrimaryScreen.WorkingArea
    let prop = new PropertyGrid(Dock = DockStyle.Fill)
    let form = new Form(Text = "Here you can see the properties of 'it'.")
    form.Controls.Add(prop)
    let gotIt = ref DateTime.Now (* HACK: save time of getting 'it' here *)
    fsi.AddPrintTransformer(fun it -> (* HACK: no calls for properties of it *)
        if DateTime.Now - !gotIt > TimeSpan.FromSeconds(1.0) then
            prop.SelectedObject <- it
            if not form.Visible then form.Visible <- true
            form.Text <- if it = null then "null" else it.GetType().Name
            gotIt := DateTime.Now
        null)
    form.Closing.Add(fun args -> args.Cancel <- true; form.Hide())
    form.Show() (* position and size must be set after showing *)
    form.WindowState <- FormWindowState.Normal
    form.Top <- 0
    let offset = 25 (* maximize Fsi to see what this means *)
    form.Left <- screen.Width / 2 - offset
    form.Width <- screen.Width / 2 + offset (* below: don't cover task bar *)
    form.Height <- screen.Height - (screen.Height - workingArea.Height)
    prop (* You can manipulate prop! Just type prop;; *)
Multiple items
type AutoOpenAttribute =
  inherit Attribute
  new : unit -> AutoOpenAttribute
  new : path:string -> AutoOpenAttribute
  member Path : string

Full name: Microsoft.FSharp.Core.AutoOpenAttribute

--------------------
new : unit -> AutoOpenAttribute
new : path:string -> AutoOpenAttribute
module FsiProp
namespace System
namespace System.Windows
namespace System.Windows.Forms
val prop : PropertyGrid

Full name: FsiProp.prop
val screen : Drawing.Rectangle
type Screen =
  member BitsPerPixel : int
  member Bounds : Rectangle
  member DeviceName : string
  member Equals : obj:obj -> bool
  member GetHashCode : unit -> int
  member Primary : bool
  member ToString : unit -> string
  member WorkingArea : Rectangle
  static member AllScreens : Screen[]
  static member FromControl : control:Control -> Screen
  ...

Full name: System.Windows.Forms.Screen
property Screen.PrimaryScreen: Screen
property Screen.Bounds: Drawing.Rectangle
val workingArea : Drawing.Rectangle
property Screen.WorkingArea: Drawing.Rectangle
val prop : PropertyGrid
Multiple items
type PropertyGrid =
  inherit ContainerControl
  new : unit -> PropertyGrid
  member AutoScroll : bool with get, set
  member BackColor : Color with get, set
  member BackgroundImage : Image with get, set
  member BackgroundImageLayout : ImageLayout with get, set
  member BrowsableAttributes : AttributeCollection with get, set
  member CanShowCommands : bool
  member CategoryForeColor : Color with get, set
  member CollapseAllGridItems : unit -> unit
  member CommandsActiveLinkColor : Color with get, set
  ...
  nested type PropertyTabCollection

Full name: System.Windows.Forms.PropertyGrid

--------------------
PropertyGrid() : unit
type DockStyle =
  | None = 0
  | Top = 1
  | Bottom = 2
  | Left = 3
  | Right = 4
  | Fill = 5

Full name: System.Windows.Forms.DockStyle
field DockStyle.Fill = 5
val form : Form
Multiple items
type Form =
  inherit ContainerControl
  new : unit -> Form
  member AcceptButton : IButtonControl with get, set
  member Activate : unit -> unit
  member ActiveMdiChild : Form
  member AddOwnedForm : ownedForm:Form -> unit
  member AllowTransparency : bool with get, set
  member AutoScale : bool with get, set
  member AutoScaleBaseSize : Size with get, set
  member AutoScroll : bool with get, set
  member AutoSize : bool with get, set
  ...
  nested type ControlCollection

Full name: System.Windows.Forms.Form

--------------------
Form() : unit
namespace System.Text
property Control.Controls: Control.ControlCollection
Control.ControlCollection.Add(value: Control) : unit
val gotIt : DateTime ref
Multiple items
val ref : value:'T -> 'T ref

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

--------------------
type 'T ref = Ref<'T>

Full name: Microsoft.FSharp.Core.ref<_>
Multiple items
type DateTime =
  struct
    new : ticks:int64 -> DateTime + 10 overloads
    member Add : value:TimeSpan -> DateTime
    member AddDays : value:float -> DateTime
    member AddHours : value:float -> DateTime
    member AddMilliseconds : value:float -> DateTime
    member AddMinutes : value:float -> DateTime
    member AddMonths : months:int -> DateTime
    member AddSeconds : value:float -> DateTime
    member AddTicks : value:int64 -> DateTime
    member AddYears : value:int -> DateTime
    ...
  end

Full name: System.DateTime

--------------------
DateTime()
   (+0 other overloads)
DateTime(ticks: int64) : unit
   (+0 other overloads)
DateTime(ticks: int64, kind: DateTimeKind) : unit
   (+0 other overloads)
DateTime(year: int, month: int, day: int) : unit
   (+0 other overloads)
DateTime(year: int, month: int, day: int, calendar: Globalization.Calendar) : unit
   (+0 other overloads)
DateTime(year: int, month: int, day: int, hour: int, minute: int, second: int) : unit
   (+0 other overloads)
DateTime(year: int, month: int, day: int, hour: int, minute: int, second: int, kind: DateTimeKind) : unit
   (+0 other overloads)
DateTime(year: int, month: int, day: int, hour: int, minute: int, second: int, calendar: Globalization.Calendar) : unit
   (+0 other overloads)
DateTime(year: int, month: int, day: int, hour: int, minute: int, second: int, millisecond: int) : unit
   (+0 other overloads)
DateTime(year: int, month: int, day: int, hour: int, minute: int, second: int, millisecond: int, kind: DateTimeKind) : unit
   (+0 other overloads)
property DateTime.Now: DateTime
val fsi : Compiler.Interactive.InteractiveSession

Full name: Microsoft.FSharp.Compiler.Interactive.Settings.fsi
member Compiler.Interactive.InteractiveSession.AddPrintTransformer : ('T -> obj) -> unit
val it : obj
Multiple items
type TimeSpan =
  struct
    new : ticks:int64 -> TimeSpan + 3 overloads
    member Add : ts:TimeSpan -> TimeSpan
    member CompareTo : value:obj -> int + 1 overload
    member Days : int
    member Duration : unit -> TimeSpan
    member Equals : value:obj -> bool + 1 overload
    member GetHashCode : unit -> int
    member Hours : int
    member Milliseconds : int
    member Minutes : int
    ...
  end

Full name: System.TimeSpan

--------------------
TimeSpan()
TimeSpan(ticks: int64) : unit
TimeSpan(hours: int, minutes: int, seconds: int) : unit
TimeSpan(days: int, hours: int, minutes: int, seconds: int) : unit
TimeSpan(days: int, hours: int, minutes: int, seconds: int, milliseconds: int) : unit
TimeSpan.FromSeconds(value: float) : TimeSpan
property PropertyGrid.SelectedObject: obj
val not : value:bool -> bool

Full name: Microsoft.FSharp.Core.Operators.not
property Control.Visible: bool
property Form.Text: string
Object.GetType() : Type
event Form.Closing: IEvent<ComponentModel.CancelEventHandler,ComponentModel.CancelEventArgs>
member IObservable.Add : callback:('T -> unit) -> unit
val args : ComponentModel.CancelEventArgs
property ComponentModel.CancelEventArgs.Cancel: bool
Control.Hide() : unit
Control.Show() : unit
Form.Show(owner: IWin32Window) : unit
property Form.WindowState: FormWindowState
type FormWindowState =
  | Normal = 0
  | Minimized = 1
  | Maximized = 2

Full name: System.Windows.Forms.FormWindowState
field FormWindowState.Normal = 0
property Control.Top: int
val offset : int
property Control.Left: int
property Drawing.Rectangle.Width: int
property Control.Width: int
property Control.Height: int
property Drawing.Rectangle.Height: int
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More information

Link:http://fssnip.net/cE
Posted:7 years ago
Author:Karsten P.
Tags: f# interactive , propertygrid