mirror of
https://github.com/gui-cs/Terminal.Gui.git
synced 2025-12-30 01:38:01 +01:00
Merged from redraw-when-setting-coordinates
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BDisp
@@ -1,12 +1,7 @@
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Threading;
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using System.Threading.Tasks;
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using Terminal.Gui;
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namespace Designer {
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#if false
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class Surface : Window {
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public Surface () : base ("Designer")
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{
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@@ -42,201 +37,9 @@ namespace Designer {
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Height = Dim.Fill ()
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};
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surface.Add (login, password);
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Application.Top.Add (menu, surface);
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//Application.Top.Add (menu);
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Application.Top.Add (login, password);
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Application.Run ();
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}
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}
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#elif false
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class MainClass {
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public static void Main (string [] args)
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{
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Application.Init ();
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Window window = new Window ("Repaint Issue") { X = 0, Y = 0, Width = Dim.Fill (), Height = Dim.Fill () };
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RadioGroup radioGroup = new RadioGroup (1, 1, new [] { "Short", "Longer Text --> Will not be repainted <--", "Short" });
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Button replaceButtonLonger = new Button (1, 10, "Replace Texts above Longer") {
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Clicked = () => { radioGroup.RadioLabels = new string [] { "Longer than before", "Shorter Text", "Longer than before" }; }
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};
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Button replaceButtonSmaller = new Button (35, 10, "Replace Texts above Smaller") {
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Clicked = () => { radioGroup.RadioLabels = new string [] { "Short", "Longer Text --> Will not be repainted <--", "Short" }; }
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};
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window.Add (radioGroup, replaceButtonLonger, replaceButtonSmaller);
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Application.Top.Add (window);
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Application.Run ();
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}
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}
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#elif false
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class MainClass {
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public static void Main (string [] args)
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{
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string[] radioLabels = { "First", "Second" };
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Application.Init();
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Window window = new Window("Redraw issue when setting coordinates of label") { X = 0, Y = 0, Width = Dim.Fill(), Height = Dim.Fill() };
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Label radioLabel = new Label("Radio selection: ") { X = 1, Y = 1 };
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Label otherLabel = new Label("Other label: ") { X = Pos.Left(radioLabel), Y = Pos.Top(radioLabel) + radioLabels.Length };
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RadioGroup radioGroup = new RadioGroup(radioLabels) { X = Pos.Right(radioLabel), Y = Pos.Top(radioLabel) };
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RadioGroup radioGroup2 = new RadioGroup(new[] { "Option 1 of the second radio group", "Option 2 of the second radio group" }) { X = Pos.Right(radioLabel), Y = Pos.Top(otherLabel) };
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Button replaceButton = new Button(1, 10, "Add radio labels") {
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Clicked = () =>
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{
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radioGroup.RadioLabels = new[] { "First", "Second", "Third <- Third ->", "Fourth <- Fourth ->" };
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otherLabel.Y = Pos.Top(radioLabel) + radioGroup.RadioLabels.Length;
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//Application.Refresh(); // Even this won't redraw the app correctly, only a terminal resize will re-render the view.
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//typeof(Application).GetMethod("TerminalResized", System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.NonPublic).Invoke(null, null);
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}
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};
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window.Add(radioLabel, otherLabel, radioGroup, radioGroup2, replaceButton);
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Application.Top.Add(window);
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Application.Run();
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}
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}
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#elif false
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class MainClass {
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static TaskScheduler syncContextTaskScheduler;
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public static void Main (string [] args)
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{
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Application.Init ();
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Window window = new Window ("When awaiting a method it is awaited until the cursor moves") { X = 0, Y = 0, Width = Dim.Fill (), Height = Dim.Fill () };
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Button button = new Button (1, 1, "Load Items");
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ListView itemsList = new ListView ();
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itemsList.X = Pos.X (button);
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itemsList.Y = Pos.Y (button) + 4;
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button.Clicked += async () => {
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Application.MainLoop.Invoke (async () => {
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itemsList.Clear ();
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//When the button is 'clicked' the following is executed
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Debug.WriteLine ($"Clicked the button");
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var items = await LoadItemsAsync ();
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//However the following line is not executed
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//until the button is clicked again or
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//until the cursor is moved to the next view/control
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Debug.WriteLine ($"Got {items.Count} items)");
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itemsList.SetSource (items);
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//Without calling this the UI is not updated
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//this.LayoutSubviews ();
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});
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};
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window.Add (itemsList, button);
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Application.Top.Add (window);
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Application.Run ();
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}
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private static Task<List<string>> LoadItemsAsync ()
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{
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try {
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// Do something that takes lot of times.
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List<string> items = new List<string> () { "One", "Two", "Three" };
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return Task.FromResult (items);
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} catch (TaskCanceledException ex) {
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Debug.WriteLine (ex.Message);
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return Task.FromResult (new List<string> ());
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}
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}
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}
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#elif false
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class MainClass {
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static TaskScheduler syncContextTaskScheduler;
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public static void Main (string [] args)
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{
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Application.Init ();
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Window window = new Window ("When awaiting a method it is awaited until the cursor moves") { X = 0, Y = 0, Width = Dim.Fill (), Height = Dim.Fill () };
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Button button = new Button (1, 1, "Load Items");
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ListView itemsList = new ListView ();
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itemsList.X = Pos.X (button);
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itemsList.Y = Pos.Y (button) + 4;
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button.Clicked += async () => {
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itemsList.Clear ();
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//When the button is 'clicked' the following is executed
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Debug.WriteLine ($"Clicked the button");
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using (CancellationTokenSource cancellationTokenSource = new CancellationTokenSource ()) {
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if (button.Text == "Cancel") {
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button.Text = "Load Items";
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cancellationTokenSource.Cancel ();
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} else
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button.Text = "Cancel";
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syncContextTaskScheduler = TaskScheduler.FromCurrentSynchronizationContext ();
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await Task<List<string>>.Run (() => LoadItemsAsync (cancellationTokenSource.Token).Result).ContinueWith (task => {
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//However the following line is not executed
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//until the button is clicked again or
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//until the cursor is moved to the next view/control
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var items = task.Result;
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Debug.WriteLine ($"Got {items.Count} items)");
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itemsList.SetSource (items);
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//Without calling this the UI is not updated
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//this.LayoutSubviews ();
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button.Text = "Load Items";
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}, CancellationToken.None,
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TaskContinuationOptions.OnlyOnRanToCompletion,
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syncContextTaskScheduler);
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}
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};
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window.Add (itemsList, button);
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Application.Top.Add (window);
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Application.Run ();
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}
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private static Task<List<string>> LoadItemsAsync (CancellationToken cancellationToken)
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{
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try {
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// Do something that takes lot of times.
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//Task.Delay (3000);
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Thread.Sleep (800);
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if (cancellationToken.IsCancellationRequested)
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throw new TaskCanceledException ("Task was cancelled");
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List<string> items = new List<string> () { "One", "Two", "Three" };
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cancellationToken.ThrowIfCancellationRequested ();
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return Task.FromResult (items);
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} catch (TaskCanceledException ex) {
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Debug.WriteLine (ex.Message);
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return Task.FromResult (new List<string> ());
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}
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}
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}
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#elif true
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class MainClass {
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public static void Main (string [] args)
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{
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Application.Init ();
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Window window = new Window ("Button repainting issue when changing the text length to one smaller than before.") { X = 0, Y = 0, Width = Dim.Fill (), Height = Dim.Fill () };
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string strLonger = "Button with a long text";
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Button button = new Button (1, 5, strLonger);
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button.Clicked += () => {
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//When the button is 'clicked' the following is executed
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Debug.WriteLine ($"Clicked the button with text '{button.Text}'");
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if (button.Text != strLonger) {
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button.Text = strLonger;
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} else
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button.Text = "Small text";
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};
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window.Add (button);
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Application.Top.Add (window);
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Application.Run ();
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}
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}
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#endif
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}
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