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Refactoring and documenting.

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This commit is contained in:
Michael Bucari-Tovo 2021-08-11 23:22:45 -06:00
parent 79ed92f303
commit b5d941d479
5 changed files with 47 additions and 66 deletions
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18
LibationWinForms/BookLiberation/BaseForms/StreamBaseForm.cs
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@ -16,7 +16,7 @@ namespace LibationWinForms.BookLiberation
public StreamBaseForm()
{
//Will not work if set outside constructor.
//Will be null if set outside constructor.
SyncContext = SynchronizationContext.Current;
}
@ -50,10 +50,11 @@ namespace LibationWinForms.BookLiberation
#region IStreamable event handlers
public virtual void OnStreamingBegin(object sender, string beginString)
{
//If StreamingBegin is fired from a worker thread, the form will be created on
//that UI thread. Form.BeginInvoke won't work until the form is created (ie. shown),
//so we need to make certain that we show the form on the same thread that created
//this StreamBaseForm.
//If StreamingBegin is fired from a worker thread, the window will be created on
//that UI thread. We need to make certain that we show the window on the same
//thread that created form, otherwise the form and the window handle will be on
//different threads. Form.BeginInvoke won't work until the form is created
//(ie. shown) because control doesn't get a window handle until it is Shown.
static void sendCallback(object asyncArgs)
{
@ -64,16 +65,11 @@ namespace LibationWinForms.BookLiberation
Action code = Show;
if (InvokeRequired)
{
var args = new AsyncCompletedEventArgs(null, false, code);
SyncContext.Send(
sendCallback,
args);
}
new AsyncCompletedEventArgs(null, false, code));
else
{
code();
}
}
public virtual void OnStreamingProgressChanged(object sender, DownloadProgress downloadProgress) { }
public virtual void OnStreamingTimeRemaining(object sender, TimeSpan timeRemaining) { }