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Asked: 2026-05-10T23:27:49+00:00

The code I’m playing with is: open System open System.Windows.Forms open System.Drawing let tehform

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The code I’m playing with is:

open System open System.Windows.Forms open System.Drawing  let tehform = new Form(Text = 'STOP!', Width = 200, Height = 200) let awe = new TextBox(Left = 1, Top = 30, Width = 100) let stuff _ _ = MessageBox.Show(awe.Text) |> ignore let handler = new EventHandler(stuff) let yeah = new Button(Text = '', Left = 20, Top = 60, Width = 80) yeah.Click.AddHandler(handler) let ms = new MenuStrip() let file = new ToolStripDropDownButton('File') let ddi = file.DropDownItems.Add('Hi') ddi.Click.AddHandler(handler) |> ignore ms.Items.Add(file) |> ignore let dc c = (c :> Control) tehform.Controls.AddRange([| dc yeah; dc ms; dc awe |])

I thought, by looking at the library, I could use awe.OnEnter.AddHandler(handler) but that didn’t work either. Thanks for the help!

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1 Answer

  1. OnEnter fires when the TextBox gets focus. Use the OnKeyDown event and check the Keys property of the event args.

    Here’s the MSDN documentation.

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