diff --git a/DownloaderForm.Designer.cs b/DownloaderForm.Designer.cs
index 292cb0e..458303a 100644
--- a/DownloaderForm.Designer.cs
+++ b/DownloaderForm.Designer.cs
@@ -72,8 +72,8 @@ private void InitializeComponent()
 			this.progressBarDownloadFile.Style = System.Windows.Forms.ProgressBarStyle.Continuous;
 			this.progressBarDownloadFile.TabIndex = 1;
 			this.progressBarDownloadFile.Visible = false;
-			this.progressBarDownloadFile.MouseEnter += new System.EventHandler(this.ProgressBarDownloadFile_MouseEnter);
-			this.progressBarDownloadFile.MouseLeave += new System.EventHandler(this.ProgressBarDownloadFile_MouseLeave);
+			this.progressBarDownloadFile.MouseEnter += new System.EventHandler(this.SetStatusbar_MouseEnter);
+			this.progressBarDownloadFile.MouseLeave += new System.EventHandler(this.ClearStatusbar_MouseLeave);
 			// 
 			// progressBarDownloadFiles
 			// 
@@ -88,8 +88,8 @@ private void InitializeComponent()
 			this.progressBarDownloadFiles.Style = System.Windows.Forms.ProgressBarStyle.Continuous;
 			this.progressBarDownloadFiles.TabIndex = 3;
 			this.toolTip.SetToolTip(this.progressBarDownloadFiles, "Download progress");
-			this.progressBarDownloadFiles.MouseEnter += new System.EventHandler(this.ProgressBarDownloadFiles_MouseEnter);
-			this.progressBarDownloadFiles.MouseLeave += new System.EventHandler(this.ProgressBarDownloadFiles_MouseLeave);
+			this.progressBarDownloadFiles.MouseEnter += new System.EventHandler(this.SetStatusbar_MouseEnter);
+			this.progressBarDownloadFiles.MouseLeave += new System.EventHandler(this.ClearStatusbar_MouseLeave);
 			// 
 			// textBox
 			// 
@@ -108,10 +108,10 @@ private void InitializeComponent()
 			this.textBox.Size = new System.Drawing.Size(646, 319);
 			this.textBox.TabIndex = 5;
 			this.toolTip.SetToolTip(this.textBox, "Download logging");
-			this.textBox.Enter += new System.EventHandler(this.TextBox_Enter);
-			this.textBox.Leave += new System.EventHandler(this.TextBox_Leave);
-			this.textBox.MouseEnter += new System.EventHandler(this.TextBox_MouseEnter);
-			this.textBox.MouseLeave += new System.EventHandler(this.TextBox_MouseLeave);
+			this.textBox.Enter += new System.EventHandler(this.SetStatusbar_Enter);
+			this.textBox.Leave += new System.EventHandler(this.ClearStatusbar_Leave);
+			this.textBox.MouseEnter += new System.EventHandler(this.SetStatusbar_MouseEnter);
+			this.textBox.MouseLeave += new System.EventHandler(this.ClearStatusbar_MouseLeave);
 			// 
 			// labelFilesDownload
 			// 
@@ -127,10 +127,10 @@ private void InitializeComponent()
 			this.labelFilesDownload.Text = "00 / 99";
 			this.labelFilesDownload.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
 			this.toolTip.SetToolTip(this.labelFilesDownload, "How many files in progress");
-			this.labelFilesDownload.Enter += new System.EventHandler(this.LabelFilesDownload_Enter);
-			this.labelFilesDownload.Leave += new System.EventHandler(this.LabelFilesDownload_Leave);
-			this.labelFilesDownload.MouseEnter += new System.EventHandler(this.LabelFilesDownload_MouseEnter);
-			this.labelFilesDownload.MouseLeave += new System.EventHandler(this.LabelFilesDownload_MouseLeave);
+			this.labelFilesDownload.Enter += new System.EventHandler(this.SetStatusbar_Enter);
+			this.labelFilesDownload.Leave += new System.EventHandler(this.ClearStatusbar_Leave);
+			this.labelFilesDownload.MouseEnter += new System.EventHandler(this.SetStatusbar_MouseEnter);
+			this.labelFilesDownload.MouseLeave += new System.EventHandler(this.ClearStatusbar_MouseLeave);
 			// 
 			// labelDownloadStatus
 			// 
@@ -146,10 +146,10 @@ private void InitializeComponent()
 			this.labelDownloadStatus.TabIndex = 0;
 			this.labelDownloadStatus.Text = "Click the button \"Start download\" to begin";
 			this.toolTip.SetToolTip(this.labelDownloadStatus, "Download status");
-			this.labelDownloadStatus.Enter += new System.EventHandler(this.LabelDownlaodStatus_Enter);
-			this.labelDownloadStatus.Leave += new System.EventHandler(this.LabelDownlaodStatus_Leave);
-			this.labelDownloadStatus.MouseEnter += new System.EventHandler(this.LabelDownlaodStatus_MouseEnter);
-			this.labelDownloadStatus.MouseLeave += new System.EventHandler(this.LabelDownlaodStatus_MouseLeave);
+			this.labelDownloadStatus.Enter += new System.EventHandler(this.SetStatusbar_Enter);
+			this.labelDownloadStatus.Leave += new System.EventHandler(this.ClearStatusbar_Leave);
+			this.labelDownloadStatus.MouseEnter += new System.EventHandler(this.SetStatusbar_MouseEnter);
+			this.labelDownloadStatus.MouseLeave += new System.EventHandler(this.ClearStatusbar_MouseLeave);
 			// 
 			// tableLayoutPanel
 			// 
@@ -185,10 +185,10 @@ private void InitializeComponent()
 			this.labelDownloadPercent.Text = "100 %";
 			this.labelDownloadPercent.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
 			this.labelDownloadPercent.Visible = false;
-			this.labelDownloadPercent.Enter += new System.EventHandler(this.LabelDownloadPercent_Enter);
-			this.labelDownloadPercent.Leave += new System.EventHandler(this.LabelDownloadPercent_Leave);
-			this.labelDownloadPercent.MouseEnter += new System.EventHandler(this.LabelDownloadPercent_MouseEnter);
-			this.labelDownloadPercent.MouseLeave += new System.EventHandler(this.LabelDownloadPercent_MouseLeave);
+			this.labelDownloadPercent.Enter += new System.EventHandler(this.SetStatusbar_Enter);
+			this.labelDownloadPercent.Leave += new System.EventHandler(this.ClearStatusbar_Leave);
+			this.labelDownloadPercent.MouseEnter += new System.EventHandler(this.SetStatusbar_MouseEnter);
+			this.labelDownloadPercent.MouseLeave += new System.EventHandler(this.ClearStatusbar_MouseLeave);
 			// 
 			// toolStripContainer
 			// 
@@ -266,8 +266,8 @@ private void InitializeComponent()
 			this.toolStripStatusLabelInfo.Name = "toolStripStatusLabelInfo";
 			this.toolStripStatusLabelInfo.Size = new System.Drawing.Size(66, 17);
 			this.toolStripStatusLabelInfo.Text = "info text";
-			this.toolStripStatusLabelInfo.MouseEnter += new System.EventHandler(this.ToolStripStatusLabel_MouseEnter);
-			this.toolStripStatusLabelInfo.MouseLeave += new System.EventHandler(this.ToolStripStatusLabel_MouseLeave);
+			this.toolStripStatusLabelInfo.MouseEnter += new System.EventHandler(this.SetStatusbar_MouseEnter);
+			this.toolStripStatusLabelInfo.MouseLeave += new System.EventHandler(this.ClearStatusbar_MouseLeave);
 			// 
 			// toolStripStatusLabelDownloadAnimation
 			// 
@@ -279,11 +279,11 @@ private void InitializeComponent()
 			this.toolStripStatusLabelDownloadAnimation.Image = global::Hipparcos_DB.Properties.Resources.fugue_arrow_270_16px_shadowless;
 			this.toolStripStatusLabelDownloadAnimation.ImageAlign = System.Drawing.ContentAlignment.MiddleRight;
 			this.toolStripStatusLabelDownloadAnimation.Name = "toolStripStatusLabelDownloadAnimation";
-			this.toolStripStatusLabelDownloadAnimation.Size = new System.Drawing.Size(571, 17);
+			this.toolStripStatusLabelDownloadAnimation.Size = new System.Drawing.Size(540, 17);
 			this.toolStripStatusLabelDownloadAnimation.Spring = true;
 			this.toolStripStatusLabelDownloadAnimation.Text = "Download animation";
-			this.toolStripStatusLabelDownloadAnimation.MouseEnter += new System.EventHandler(this.ToolStripStatusLabelDownloadAnimation_MouseEnter);
-			this.toolStripStatusLabelDownloadAnimation.MouseLeave += new System.EventHandler(this.ToolStripStatusLabelDownloadAnimation_MouseLeave);
+			this.toolStripStatusLabelDownloadAnimation.MouseEnter += new System.EventHandler(this.SetStatusbar_MouseEnter);
+			this.toolStripStatusLabelDownloadAnimation.MouseLeave += new System.EventHandler(this.ClearStatusbar_MouseLeave);
 			// 
 			// toolStrip
 			// 
@@ -317,8 +317,8 @@ private void InitializeComponent()
 			this.toolStripButtonStartDownload.Size = new System.Drawing.Size(107, 22);
 			this.toolStripButtonStartDownload.Text = "&Start download";
 			this.toolStripButtonStartDownload.Click += new System.EventHandler(this.ToolStripButtonStartDownload_Click);
-			this.toolStripButtonStartDownload.MouseEnter += new System.EventHandler(this.ToolStripButtonStartDownload_MouseEnter);
-			this.toolStripButtonStartDownload.MouseLeave += new System.EventHandler(this.ToolStripButtonStartDownload_MouseLeave);
+			this.toolStripButtonStartDownload.MouseEnter += new System.EventHandler(this.SetStatusbar_MouseEnter);
+			this.toolStripButtonStartDownload.MouseLeave += new System.EventHandler(this.ClearStatusbar_MouseLeave);
 			// 
 			// toolStripSeparatorDownload
 			// 
@@ -337,8 +337,8 @@ private void InitializeComponent()
 			this.toolStripLabelHost.Size = new System.Drawing.Size(35, 22);
 			this.toolStripLabelHost.Text = "&Host:";
 			this.toolStripLabelHost.ToolTipText = "Name of the host";
-			this.toolStripLabelHost.MouseEnter += new System.EventHandler(this.ToolStripLabelHost_MouseEnter);
-			this.toolStripLabelHost.MouseLeave += new System.EventHandler(this.ToolStripLabelHost_MouseLeave);
+			this.toolStripLabelHost.MouseEnter += new System.EventHandler(this.SetStatusbar_MouseEnter);
+			this.toolStripLabelHost.MouseLeave += new System.EventHandler(this.ClearStatusbar_MouseLeave);
 			// 
 			// toolStripTextBoxHost
 			// 
@@ -350,10 +350,10 @@ private void InitializeComponent()
 			this.toolStripTextBoxHost.Name = "toolStripTextBoxHost";
 			this.toolStripTextBoxHost.Size = new System.Drawing.Size(200, 25);
 			this.toolStripTextBoxHost.ToolTipText = "Name of the host";
-			this.toolStripTextBoxHost.Enter += new System.EventHandler(this.ToolStripTextBoxHost_Enter);
-			this.toolStripTextBoxHost.Leave += new System.EventHandler(this.ToolStripTextBoxHost_Leave);
-			this.toolStripTextBoxHost.MouseEnter += new System.EventHandler(this.ToolStripTextBoxHost_MouseEnter);
-			this.toolStripTextBoxHost.MouseLeave += new System.EventHandler(this.ToolStripTextBoxHost_MouseLeave);
+			this.toolStripTextBoxHost.Enter += new System.EventHandler(this.SetStatusbar_Enter);
+			this.toolStripTextBoxHost.Leave += new System.EventHandler(this.ClearStatusbar_Leave);
+			this.toolStripTextBoxHost.MouseEnter += new System.EventHandler(this.SetStatusbar_MouseEnter);
+			this.toolStripTextBoxHost.MouseLeave += new System.EventHandler(this.ClearStatusbar_MouseLeave);
 			// 
 			// toolStripButtonEditHost
 			// 
@@ -366,8 +366,8 @@ private void InitializeComponent()
 			this.toolStripButtonEditHost.Size = new System.Drawing.Size(73, 22);
 			this.toolStripButtonEditHost.Text = "&Edit host";
 			this.toolStripButtonEditHost.Click += new System.EventHandler(this.ToolStripButtonEditHost_Click);
-			this.toolStripButtonEditHost.MouseEnter += new System.EventHandler(this.ToolStripButtonEditHost_MouseEnter);
-			this.toolStripButtonEditHost.MouseLeave += new System.EventHandler(this.ToolStripButtonEditHost_MouseLeave);
+			this.toolStripButtonEditHost.MouseEnter += new System.EventHandler(this.SetStatusbar_MouseEnter);
+			this.toolStripButtonEditHost.MouseLeave += new System.EventHandler(this.ClearStatusbar_MouseLeave);
 			// 
 			// toolStripButtonRestoreHost
 			// 
@@ -380,8 +380,8 @@ private void InitializeComponent()
 			this.toolStripButtonRestoreHost.Size = new System.Drawing.Size(92, 22);
 			this.toolStripButtonRestoreHost.Text = "&Restore host";
 			this.toolStripButtonRestoreHost.Click += new System.EventHandler(this.ToolStripButtonRestoreHost_Click);
-			this.toolStripButtonRestoreHost.MouseEnter += new System.EventHandler(this.ToolStripButtonRestoreHost_MouseEnter);
-			this.toolStripButtonRestoreHost.MouseLeave += new System.EventHandler(this.ToolStripButtonRestoreHost_MouseLeave);
+			this.toolStripButtonRestoreHost.MouseEnter += new System.EventHandler(this.SetStatusbar_MouseEnter);
+			this.toolStripButtonRestoreHost.MouseLeave += new System.EventHandler(this.ClearStatusbar_MouseLeave);
 			// 
 			// toolStripButtonSaveLogging
 			// 
@@ -394,8 +394,8 @@ private void InitializeComponent()
 			this.toolStripButtonSaveLogging.Size = new System.Drawing.Size(95, 22);
 			this.toolStripButtonSaveLogging.Text = "Save &logging";
 			this.toolStripButtonSaveLogging.Click += new System.EventHandler(this.ToolStripButtonSaveLogging_Click);
-			this.toolStripButtonSaveLogging.MouseEnter += new System.EventHandler(this.ToolStripButtonSaveLogging_MouseEnter);
-			this.toolStripButtonSaveLogging.MouseLeave += new System.EventHandler(this.ToolStripButtonSaveLogging_MouseLeave);
+			this.toolStripButtonSaveLogging.MouseEnter += new System.EventHandler(this.SetStatusbar_MouseEnter);
+			this.toolStripButtonSaveLogging.MouseLeave += new System.EventHandler(this.ClearStatusbar_MouseLeave);
 			// 
 			// backgroundWorker
 			// 
diff --git a/DownloaderForm.cs b/DownloaderForm.cs
index 98af107..78d7f82 100644
--- a/DownloaderForm.cs
+++ b/DownloaderForm.cs
@@ -17,10 +17,9 @@ public partial class DownloaderForm : Form
 		private string[] hostFiles;
 		private long ticks;
 
-		public void SetHostUrls(string[] files)
-		{
-			hostFiles = files ?? throw new ArgumentNullException(paramName: nameof(files), message: "The name of the host files are null.");
-		}
+		#region Local methods
+
+		public void SetHostUrls(string[] files) => hostFiles = files ?? throw new ArgumentNullException(paramName: nameof(files), message: "The name of the host files are null.");
 
 		public void SetHost(string host)
 		{
@@ -32,25 +31,13 @@ public void SetHost(string host)
 			toolStripTextBoxHost.Text = host;
 		}
 
-		private string GetHost()
-		{
-			return host;
-		}
+		private string GetHost() => host;
 
-		public void SetCatalogDirectory(string directory)
-		{
-			catalogDirectory = directory;
-		}
+		public void SetCatalogDirectory(string directory) => catalogDirectory = directory;
 
-		private string GetCatalogDirectory()
-		{
-			return catalogDirectory;
-		}
+		private string GetCatalogDirectory() => catalogDirectory;
 
-		private string RemoveFileExtension(string filename)
-		{
-			return filename.Substring(startIndex: 0, length: filename.LastIndexOf(value: "."));
-		}
+		private string RemoveFileExtension(string filename) => filename.Substring(startIndex: 0, length: filename.LastIndexOf(value: "."));
 
 		private static byte[] Decompress(byte[] gzip)
 		{
@@ -201,6 +188,10 @@ private void Completed(object sender, AsyncCompletedEventArgs e)
 		}
 		*/
 
+		#endregion
+
+		#region Don-/Destructor
+
 		public DownloaderForm()
 		{
 			InitializeComponent();
@@ -214,6 +205,10 @@ public DownloaderForm()
 			toolStripButtonRestoreHost.Enabled = toolStripStatusLabelDownloadAnimation.Visible = toolStripButtonSaveLogging.Enabled = false;
 		}
 
+		#endregion
+
+		#region Form* event handler
+
 		private void DownloaderForm_Load(object sender, EventArgs e)
 		{
 			ClearStatusbar();
@@ -224,6 +219,10 @@ private void DownloaderForm_Load(object sender, EventArgs e)
 			}
 		}
 
+		#endregion
+
+		#region Click event handlers
+
 		private void ToolStripButtonEditHost_Click(object sender, EventArgs e)
 		{
 			toolStripButtonEditHost.Checked = toolStripTextBoxHost.Enabled = !toolStripTextBoxHost.Enabled;
@@ -242,8 +241,6 @@ private void ToolStripButtonEditHost_Click(object sender, EventArgs e)
 			}
 		}
 
-		#region Click event handlers
-
 		private void ToolStripButtonStartDownload_Click(object sender, EventArgs e)
 		{
 			toolStripStatusLabelDownloadAnimation.Visible = true;
@@ -265,219 +262,36 @@ private void ToolStripButtonRestoreHost_Click(object sender, EventArgs e)
 			toolStripTextBoxHost.Text = GetHost();
 		}
 
-		private void ToolStripButtonSaveLogging_Click(object sender, EventArgs e)
-		{
-			saveFileDialog.ShowDialog();
-		}
+		private void ToolStripButtonSaveLogging_Click(object sender, EventArgs e) => saveFileDialog.ShowDialog();
 
 		#endregion
 
 		#region Enter event handlers
 
-		private void ToolStripTextBoxHost_Enter(object sender, EventArgs e)
-		{
-			SetStatusbar(sender: sender, e: e);
-		}
-
-		private void LabelDownlaodStatus_Enter(object sender, EventArgs e)
-		{
-			SetStatusbar(sender: sender, e: e);
-		}
-
-		private void LabelDownloadPercent_Enter(object sender, EventArgs e)
-		{
-			SetStatusbar(sender: sender, e: e);
-		}
-
-		private void LabelFilesDownload_Enter(object sender, EventArgs e)
-		{
-			SetStatusbar(sender: sender, e: e);
-		}
-
-		private void TextBox_Enter(object sender, EventArgs e)
-		{
-			SetStatusbar(sender: sender, e: e);
-		}
+		private void SetStatusbar_Enter(object sender, EventArgs e) => SetStatusbar(sender: sender, e: e);
 
 		#endregion
 
 		#region MouseEnter event handlers
 
-		private void ToolStripLabelHost_MouseEnter(object sender, EventArgs e)
-		{
-			SetStatusbar(sender: sender, e: e);
-		}
-
-		private void ToolStripTextBoxHost_MouseEnter(object sender, EventArgs e)
-		{
-			SetStatusbar(sender: sender, e: e);
-		}
-
-		private void ToolStripButtonEditHost_MouseEnter(object sender, EventArgs e)
-		{
-			SetStatusbar(sender: sender, e: e);
-		}
-
-		private void ToolStripButtonStartDownload_MouseEnter(object sender, EventArgs e)
-		{
-			SetStatusbar(sender: sender, e: e);
-		}
-
-		private void LabelDownlaodStatus_MouseEnter(object sender, EventArgs e)
-		{
-			SetStatusbar(sender: sender, e: e);
-		}
-
-		private void ProgressBarDownloadFile_MouseEnter(object sender, EventArgs e)
-		{
-			SetStatusbar(sender: sender, e: e);
-		}
-
-		private void LabelDownloadPercent_MouseEnter(object sender, EventArgs e)
-		{
-			SetStatusbar(sender: sender, e: e);
-		}
-
-		private void ProgressBarDownloadFiles_MouseEnter(object sender, EventArgs e)
-		{
-			SetStatusbar(sender: sender, e: e);
-		}
-
-		private void LabelFilesDownload_MouseEnter(object sender, EventArgs e)
-		{
-			SetStatusbar(sender: sender, e: e);
-		}
-
-		private void TextBox_MouseEnter(object sender, EventArgs e)
-		{
-			SetStatusbar(sender: sender, e: e);
-		}
-
-		private void ToolStripStatusLabel_MouseEnter(object sender, EventArgs e)
-		{
-			SetStatusbar(sender: sender, e: e);
-		}
-
-		private void ToolStripButtonRestoreHost_MouseEnter(object sender, EventArgs e)
-		{
-			SetStatusbar(sender: sender, e: e);
-		}
-
-		private void ToolStripStatusLabelDownloadAnimation_MouseEnter(object sender, EventArgs e)
-		{
-			SetStatusbar(sender: sender, e: e);
-		}
-
-		private void ToolStripButtonSaveLogging_MouseEnter(object sender, EventArgs e)
-		{
-			SetStatusbar(sender: sender, e: e);
-		}
+		private void SetStatusbar_MouseEnter(object sender, EventArgs e) => SetStatusbar(sender: sender, e: e);
 
 		#endregion
 
 		#region Leave event handlers
 
-		private void ToolStripTextBoxHost_Leave(object sender, EventArgs e)
-		{
-			ClearStatusbar();
-		}
-
-		private void LabelDownlaodStatus_Leave(object sender, EventArgs e)
-		{
-			ClearStatusbar();
-		}
-
-		private void LabelDownloadPercent_Leave(object sender, EventArgs e)
-		{
-			ClearStatusbar();
-		}
-
-		private void LabelFilesDownload_Leave(object sender, EventArgs e)
-		{
-			ClearStatusbar();
-		}
-
-		private void TextBox_Leave(object sender, EventArgs e)
-		{
-			ClearStatusbar();
-		}
+		private void ClearStatusbar_Leave(object sender, EventArgs e) => ClearStatusbar();
 
 		#endregion
 
 		#region MouseLeave event handlers
 
-		private void ToolStripLabelHost_MouseLeave(object sender, EventArgs e)
-		{
-			ClearStatusbar();
-		}
-
-		private void ToolStripTextBoxHost_MouseLeave(object sender, EventArgs e)
-		{
-			ClearStatusbar();
-		}
-
-		private void ToolStripButtonEditHost_MouseLeave(object sender, EventArgs e)
-		{
-			ClearStatusbar();
-		}
-
-		private void ToolStripButtonStartDownload_MouseLeave(object sender, EventArgs e)
-		{
-			ClearStatusbar();
-		}
-
-		private void LabelDownlaodStatus_MouseLeave(object sender, EventArgs e)
-		{
-			ClearStatusbar();
-		}
-
-		private void ProgressBarDownloadFile_MouseLeave(object sender, EventArgs e)
-		{
-			ClearStatusbar();
-		}
-
-		private void LabelDownloadPercent_MouseLeave(object sender, EventArgs e)
-		{
-			ClearStatusbar();
-		}
-
-		private void ProgressBarDownloadFiles_MouseLeave(object sender, EventArgs e)
-		{
-			ClearStatusbar();
-		}
-
-		private void LabelFilesDownload_MouseLeave(object sender, EventArgs e)
-		{
-			ClearStatusbar();
-		}
-
-		private void TextBox_MouseLeave(object sender, EventArgs e)
-		{
-			ClearStatusbar();
-		}
-
-		private void ToolStripButtonRestoreHost_MouseLeave(object sender, EventArgs e)
-		{
-			ClearStatusbar();
-		}
-
-		private void ToolStripStatusLabel_MouseLeave(object sender, EventArgs e)
-		{
-			ClearStatusbar();
-		}
-
-		private void ToolStripStatusLabelDownloadAnimation_MouseLeave(object sender, EventArgs e)
-		{
-			ClearStatusbar();
-		}
-
-		private void ToolStripButtonSaveLogging_MouseLeave(object sender, EventArgs e)
-		{
-			ClearStatusbar();
-		}
+		private void ClearStatusbar_MouseLeave(object sender, EventArgs e) => ClearStatusbar();
 
 		#endregion
 
+		#region File* event handler
+
 		private void SaveFileDialog_FileOk(object sender, CancelEventArgs e)
 		{
 			try
@@ -504,6 +318,10 @@ private void SaveFileDialog_FileOk(object sender, CancelEventArgs e)
 			}
 		}
 
+		#endregion
+
+		#region BackgroundWorker event handler
+
 		private void BackgroundWorker_DoWork(object sender, DoWorkEventArgs e)
 		{
 			bool downloadWasSuccessful = true;
@@ -577,7 +395,11 @@ private void BackgroundWorker_DoWork(object sender, DoWorkEventArgs e)
 						icon: MessageBoxIcon.Error);
 				}
 			}
-		}
+		}		
+
+		#endregion
+
+		#region Tick event handler
 
 		private void TimerDownloadAnimation_Tick(object sender, EventArgs e)
 		{
@@ -591,5 +413,7 @@ private void TimerDownloadAnimation_Tick(object sender, EventArgs e)
 				toolStripStatusLabelDownloadAnimation.Image = Resources.fugue_arrow_270_small_16px_shadowless;
 			}
 		}
+
+		#endregion
 	}
 }
\ No newline at end of file
diff --git a/SubsetCatalogExporterForm.cs b/SubsetCatalogExporterForm.cs
index 0bcbc6d..848a50e 100644
--- a/SubsetCatalogExporterForm.cs
+++ b/SubsetCatalogExporterForm.cs
@@ -5,7 +5,6 @@ namespace Hipparcos_DB.Properties
 {
 	public partial class SubsetCatalogExporterForm : Form
 	{
-
 		#region Local methods
 
 		#endregion
diff --git a/TychoCatalogViewerForm.cs b/TychoCatalogViewerForm.cs
index f6a83e3..072ca8d 100644
--- a/TychoCatalogViewerForm.cs
+++ b/TychoCatalogViewerForm.cs
@@ -2491,562 +2491,450 @@ private void ToolStripButtonChangeHoverEffect_Click(object sender, EventArgs e)
 
 		private void LabelCatalogDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelCatalogData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelIdentifierDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelIdentifierData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelProximityFlagDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelProximityFlagData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelRightAscensionDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelRightAscensionData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelDeclinationDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelDeclinationData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelMagnitudeJohnsonDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelMagnitudeJohnsonData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelSourceOfMagnitudeDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelSourceOfMagnitudeData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelAlphaDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelAlphaData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelDeltaDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelDeltaData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelReferenceFlagForAstrometryDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelReferenceFlagForAstrometryData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelTrigonomicParallaxDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelTrigonomicParallaxData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelProperMotionAlphaDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelProperMotionAlphaData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelProperMotionDeltaDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelProperMotionDeltaData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelStandardErrorRightAscensionDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelStandardErrorRightAscensionData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelStandardErrorDeclinationDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelStandardErrorDeclinationData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelStandardErrorTrigonomicParallaxDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelStandardErrorTrigonomicParallaxData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelStandardErrorProperMotionRightAscensionDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelStandardErrorProperMotionRightAscensionData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelStandardErrorProperMotionDeclinationDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelStandardErrorProperMotionDeclinationData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelCorrelationDeclinationByRightAscensionDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelCorrelationDeclinationByRightAscensionData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelCorrelationTrigonomicParallaxByRightAscensionDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelCorrelationTrigonomicParallaxByRightAscensionData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelCorrelationTrigonomicParallaxByDeclinationDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelCorrelationTrigonomicParallaxByDeclinationData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelCorrelationProperMotionRightAscensionByRightAscensionDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelCorrelationProperMotionRightAscensionByRightAscensionData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelCorrelationProperMotionRightAscensionByDeclinationDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelCorrelationProperMotionRightAscensionByDeclinationData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelCorrelationProperMotionRightAscensionByTrigonomicParallaxDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelCorrelationProperMotionRightAscensionByTrigonomicParallaxData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelCorrelationProperMotionDeclinationByRightAscensionDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelCorrelationProperMotionDeclinationByRightAscensionData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelCorrelationProperMotionDeclinationByTrigonomicParallaxDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelCorrelationProperMotionDeclinationByDeclinationData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelCorrelationProperMotionDeclinationByDeclinationDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelCorrelationProperMotionDeclinationByTrigonomicParallaxData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelCorrelationProperMotionDeclinationByProperMotionRightAscensionDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelCorrelationProperMotionDeclinationByProperMotionRightAscensionData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelNumberOfTransitsForAstrometryDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelNumberOfTransitsForAstrometryData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelGoodnessOfFitParameterDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelGoodnessOfFitParameterData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelHipparcosNumberDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelHipparcosNumberData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelMeanBtMagnitudeDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelMeanBtMagnitudeData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelStandardErrorMeanBtMagnitudeDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelStandardErrorMeanBtMagnitudeData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelMeanVtMagnitudeDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelMeanVtMagnitudeData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelStandardErrorMeanVtMagnitudeDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelStandardErrorMeanVtMagnitudeData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelSourceOfPhotometryDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelSourceOfPhotometryData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelJohnsonBvColorDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelJohnsonBvColorData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelStandardErrorJohnsonBvColorDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelStandardErrorJohnsonBvColorData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelAstrometricQualityFlagDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelAstrometricQualityFlagData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelSignalToNoiseRatioOfTheStarImageDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelSignalToNoiseRatioOfTheStarImageData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelSourceOfAstrometricDataDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelSourceOfAstrometricDataData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelNumberOfTransitsForPhotometryDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelNumberOfTransitsForPhotometryData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelEstimateOfVtmagScatterDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelEstimateOfVtmagScatterData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelVtmagAtMaximumDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelVtmagAtMaximumData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelVtmagAtMinimumDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelVtmagAtMinimumData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelKnownVariabilityFromGcvsNsvDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelKnownVariabilityFromGcvsNsvData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelVariabilityFromTychoDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelVariabilityFromTychoData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelDuplicityFromTychoDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelDuplicityFromTychoData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelEpochPhotometryInAnnexDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelEpochPhotometryInAnnexData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelCcdmComponentIdentifierDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelCcdmComponentIdentifierData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelPpmAndSupplementDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelPpmAndSupplementData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelHdNumberDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelHdNumberData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelBonnerDmDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelBonnerDmData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelCordobaDmDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelCordobaDmData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelCapePhotographicDmDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelCapePhotographicDmData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelNotesDesc_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		private void LabelNotesData_DoubleClick(object sender, EventArgs e)
 		{
-
 		}
 
 		#endregion
@@ -3055,12 +2943,10 @@ private void LabelNotesData_DoubleClick(object sender, EventArgs e)
 
 		private void TychoCatalogViewerForm_PreviewKeyDown(object sender, PreviewKeyDownEventArgs e)
 		{
-
 		}
 
 		private void ToolStripTextBoxGoToIndex_KeyPress(object sender, KeyPressEventArgs e)
 		{
-
 		}
 
 		#endregion