Remove unnecessary base form
This commit is contained in:
Michael Bucari-Tovo
parent
29a50bb640
commit
6d7f234497
@ -1,164 +0,0 @@
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using System;
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using System.Windows.Forms;
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using DataLayer;
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using Dinah.Core.Net.Http;
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using Dinah.Core.Threading;
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using FileLiberator;
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namespace LibationWinForms.BookLiberation.BaseForms
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{
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public class LiberationBaseForm : Form
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{
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protected Streamable Streamable { get; private set; }
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protected LogMe LogMe { get; private set; }
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private SynchronizeInvoker Invoker { get; init; }
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public LiberationBaseForm()
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{
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//SynchronizationContext.Current will be null until the process contains a Form.
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//If this is the first form created, it will not exist until after execution
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//reaches inside the constructor (after base class has been initialized).
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Invoker = new SynchronizeInvoker();
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this.SetLibationIcon();
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}
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public void RegisterFileLiberator(Streamable streamable, LogMe logMe = null)
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{
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if (streamable is null) return;
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Streamable = streamable;
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LogMe = logMe;
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Subscribe(streamable);
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if (Streamable is Processable processable)
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Subscribe(processable);
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if (Streamable is AudioDecodable audioDecodable)
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Subscribe(audioDecodable);
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}
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#region Event Subscribers and Unsubscribers
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private void Subscribe(Streamable streamable)
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{
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UnsubscribeStreamable(this, EventArgs.Empty);
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streamable.StreamingBegin += OnStreamingBeginShow;
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streamable.StreamingBegin += Streamable_StreamingBegin;
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streamable.StreamingProgressChanged += Streamable_StreamingProgressChanged;
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streamable.StreamingTimeRemaining += Streamable_StreamingTimeRemaining;
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streamable.StreamingCompleted += Streamable_StreamingCompleted;
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streamable.StreamingCompleted += OnStreamingCompletedClose;
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Disposed += UnsubscribeStreamable;
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}
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private void Subscribe(Processable processable)
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{
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UnsubscribeProcessable(this, null);
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processable.Begin += Processable_Begin;
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processable.StatusUpdate += Processable_StatusUpdate;
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processable.Completed += Processable_Completed;
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//The form is created on Processable.Begin and we
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//dispose of it on Processable.Completed
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processable.Completed += OnCompletedDispose;
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//Don't unsubscribe from Dispose because it fires when
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//Streamable.StreamingCompleted closes the form, and
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//the Processable events need to live past that event.
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processable.Completed += UnsubscribeProcessable;
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}
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private void Subscribe(AudioDecodable audioDecodable)
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{
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UnsubscribeAudioDecodable(this, EventArgs.Empty);
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audioDecodable.RequestCoverArt += AudioDecodable_RequestCoverArt;
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audioDecodable.TitleDiscovered += AudioDecodable_TitleDiscovered;
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audioDecodable.AuthorsDiscovered += AudioDecodable_AuthorsDiscovered;
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audioDecodable.NarratorsDiscovered += AudioDecodable_NarratorsDiscovered;
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audioDecodable.CoverImageDiscovered += AudioDecodable_CoverImageDiscovered;
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Disposed += UnsubscribeAudioDecodable;
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}
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private void UnsubscribeStreamable(object sender, EventArgs e)
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{
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Disposed -= UnsubscribeStreamable;
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Streamable.StreamingBegin -= OnStreamingBeginShow;
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Streamable.StreamingBegin -= Streamable_StreamingBegin;
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Streamable.StreamingProgressChanged -= Streamable_StreamingProgressChanged;
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Streamable.StreamingTimeRemaining -= Streamable_StreamingTimeRemaining;
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Streamable.StreamingCompleted -= Streamable_StreamingCompleted;
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Streamable.StreamingCompleted -= OnStreamingCompletedClose;
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}
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private void UnsubscribeProcessable(object sender, LibraryBook e)
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{
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if (Streamable is not Processable processable)
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return;
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processable.Completed -= UnsubscribeProcessable;
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processable.Completed -= OnCompletedDispose;
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processable.Completed -= Processable_Completed;
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processable.StatusUpdate -= Processable_StatusUpdate;
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processable.Begin -= Processable_Begin;
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}
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private void UnsubscribeAudioDecodable(object sender, EventArgs e)
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{
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if (Streamable is not AudioDecodable audioDecodable)
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return;
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Disposed -= UnsubscribeAudioDecodable;
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audioDecodable.RequestCoverArt -= AudioDecodable_RequestCoverArt;
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audioDecodable.TitleDiscovered -= AudioDecodable_TitleDiscovered;
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audioDecodable.AuthorsDiscovered -= AudioDecodable_AuthorsDiscovered;
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audioDecodable.NarratorsDiscovered -= AudioDecodable_NarratorsDiscovered;
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audioDecodable.CoverImageDiscovered -= AudioDecodable_CoverImageDiscovered;
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audioDecodable.Cancel();
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}
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#endregion
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#region Form creation and disposal handling
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/// <summary>
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/// If the form was shown using Show (not ShowDialog), Form.Close calls Form.Dispose
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/// </summary>
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private void OnStreamingCompletedClose(object sender, string completedString) => this.UIThreadAsync(Close);
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private void OnCompletedDispose(object sender, LibraryBook e) => this.UIThreadAsync(Dispose);
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/// <summary>
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/// If StreamingBegin is fired from a worker thread, the window will be created on that
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/// worker thread. We need to make certain that we show the window on the UI thread (same
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/// thread that created form), otherwise the renderer will be on a worker thread which
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/// could cause it to freeze. Form.BeginInvoke won't work until the form is created
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/// (ie. shown) because Control doesn't get a window handle until it is Shown.
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/// </summary>
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private void OnStreamingBeginShow(object sender, string beginString) => Invoker.UIThreadAsync(Show);
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#endregion
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#region Streamable event handlers
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public virtual void Streamable_StreamingBegin(object sender, string beginString) { }
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public virtual void Streamable_StreamingProgressChanged(object sender, DownloadProgress downloadProgress) { }
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public virtual void Streamable_StreamingTimeRemaining(object sender, TimeSpan timeRemaining) { }
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public virtual void Streamable_StreamingCompleted(object sender, string completedString) { }
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#endregion
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#region Processable event handlers
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public virtual void Processable_Begin(object sender, LibraryBook libraryBook) { }
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public virtual void Processable_StatusUpdate(object sender, string statusUpdate) { }
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public virtual void Processable_Completed(object sender, LibraryBook libraryBook) { }
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#endregion
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#region AudioDecodable event handlers
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public virtual void AudioDecodable_TitleDiscovered(object sender, string title) { }
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public virtual void AudioDecodable_AuthorsDiscovered(object sender, string authors) { }
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public virtual void AudioDecodable_NarratorsDiscovered(object sender, string narrators) { }
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public virtual void AudioDecodable_CoverImageDiscovered(object sender, byte[] coverArt) { }
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public virtual void AudioDecodable_RequestCoverArt(object sender, Action<byte[]> setCoverArtDelegate) { }
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#endregion
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}
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}
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@ -2,30 +2,48 @@
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using System.Windows.Forms;
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using Dinah.Core.Net.Http;
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using Dinah.Core.Threading;
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using LibationWinForms.BookLiberation.BaseForms;
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using FileLiberator;
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namespace LibationWinForms.BookLiberation
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{
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public partial class DownloadForm : LiberationBaseForm
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public partial class DownloadForm : Form
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{
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protected Streamable Streamable { get; private set; }
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protected LogMe LogMe { get; private set; }
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private SynchronizeInvoker Invoker { get; init; }
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public DownloadForm()
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{
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//SynchronizationContext.Current will be null until the process contains a Form.
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//If this is the first form created, it will not exist until after execution
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//reaches inside the constructor (after base class has been initialized).
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Invoker = new SynchronizeInvoker();
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InitializeComponent();
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this.SetLibationIcon();
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progressLbl.Text = "";
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filenameLbl.Text = "";
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}
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public void RegisterFileLiberator(Streamable streamable, LogMe logMe = null)
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{
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if (streamable is null) return;
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streamable.StreamingBegin += Streamable_StreamingBegin;
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streamable.StreamingProgressChanged += Streamable_StreamingProgressChanged;
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streamable.StreamingCompleted += (_, _) => this.UIThreadAsync(Close);
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Streamable = streamable;
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LogMe = logMe;
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}
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#region Streamable event handler overrides
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public override void Streamable_StreamingBegin(object sender, string beginString)
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public void Streamable_StreamingBegin(object sender, string beginString)
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{
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base.Streamable_StreamingBegin(sender, beginString);
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Invoker.UIThreadAsync(Show);
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filenameLbl.UIThreadAsync(() => filenameLbl.Text = beginString);
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}
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public override void Streamable_StreamingProgressChanged(object sender, DownloadProgress downloadProgress)
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public void Streamable_StreamingProgressChanged(object sender, DownloadProgress downloadProgress)
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{
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base.Streamable_StreamingProgressChanged(sender, downloadProgress);
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// this won't happen with download file. it will happen with download string
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if (!downloadProgress.TotalBytesToReceive.HasValue || downloadProgress.TotalBytesToReceive.Value <= 0)
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return;
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