chylex/TweetDuck
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Code

Make update download form double buffered & tweak cancelling

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This commit is contained in:
chylex 2017-03-29 14:30:51 +02:00
parent 48ed0e01d1
commit d7cdaf2870
2 changed files with 21 additions and 12 deletions

1
Updates/FormUpdateDownload.Designer.cs generated
View File

@ -82,6 +82,7 @@ private void InitializeComponent() {
this.Controls.Add(this.labelDescription); this.Controls.Add(this.labelDescription);
this.Controls.Add(this.btnCancel); this.Controls.Add(this.btnCancel);
this.Controls.Add(this.progressDownload); this.Controls.Add(this.progressDownload);
this.DoubleBuffered = true;
this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle; this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;
this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon"))); this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
this.MaximizeBox = false; this.MaximizeBox = false;

32
Updates/FormUpdateDownload.cs
View File

@ -28,18 +28,17 @@ public enum Status{
public FormUpdateDownload(UpdateInfo info){ public FormUpdateDownload(UpdateInfo info){
InitializeComponent(); InitializeComponent();
this.webClient = new WebClient{ Proxy = null }; Text = "Updating "+Program.BrandName;
this.webClient.Headers[HttpRequestHeader.UserAgent] = BrowserUtils.HeaderUserAgent; labelDescription.Text = "Downloading version "+info.VersionTag+"...";
this.updateInfo = info; this.updateInfo = info;
this.UpdateStatus = Status.Waiting; this.UpdateStatus = Status.Waiting;
webClient.DownloadProgressChanged += webClient_DownloadProgressChanged; this.webClient = new WebClient{ Proxy = null };
webClient.DownloadFileCompleted += webClient_DownloadFileCompleted; this.webClient.Headers[HttpRequestHeader.UserAgent] = BrowserUtils.HeaderUserAgent;
this.webClient.DownloadProgressChanged += webClient_DownloadProgressChanged;
Text = "Updating "+Program.BrandName; this.webClient.DownloadFileCompleted += webClient_DownloadFileCompleted;
labelDescription.Text = "Downloading version "+info.VersionTag+"...";
Disposed += (sender, args) => this.webClient.Dispose(); Disposed += (sender, args) => this.webClient.Dispose();
} }
@ -48,15 +47,24 @@ private void FormUpdateDownload_Shown(object sender, EventArgs e){
} }
private void btnCancel_Click(object sender, EventArgs e){ private void btnCancel_Click(object sender, EventArgs e){
webClient.CancelAsync(); if (webClient.IsBusy){
btnCancel.Enabled = false; webClient.CancelAsync();
btnCancel.Enabled = false;
}
else{
UpdateStatus = Status.Cancelled;
Close();
}
} }
private void FormUpdateDownload_FormClosing(object sender, FormClosingEventArgs e){ private void FormUpdateDownload_FormClosing(object sender, FormClosingEventArgs e){
if (UpdateStatus == Status.Waiting){ if (UpdateStatus == Status.Waiting){
e.Cancel = true;
webClient.CancelAsync();
UpdateStatus = e.CloseReason == CloseReason.UserClosing ? Status.Cancelled : Status.Manual; // manual will exit the app UpdateStatus = e.CloseReason == CloseReason.UserClosing ? Status.Cancelled : Status.Manual; // manual will exit the app
if (webClient.IsBusy){
webClient.CancelAsync();
e.Cancel = true;
}
} }
} }