Here are the examples of the csharp api class string.IsNullOrEmpty(string) taken from open source projects. By voting up you can indicate which examples are most useful and appropriate.
200 Examples
1
51. Example
Project: boxcli
Source File: BoxDefaultSettings.cs
Source File: BoxDefaultSettings.cs
private BoxHomeDefaultSettings SetBoxDownloadsFolderPathIfNull(BoxHomeDefaultSettings settings) { if (string.IsNullOrEmpty(settings.BoxDownloadsFolderPath)) { var path = $"{_boxHome.GetBaseDirectoryPath()}{Path.DirectorySeparatorChar}Downloads{Path.DirectorySeparatorChar}{settings.BoxDownloadsFolderName}"; settings.BoxDownloadsFolderPath = path; } return settings; }
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52. Example
Project: boxcli
Source File: FileSubCommandBase.cs
Source File: FileSubCommandBase.cs
protected async Task<BoxFile> MoveFile(string fileId, string parentId, string etag = "") { var boxClient = base.ConfigureBoxClient(this._asUser.Value()); var fileRequest = this.ConfigureFileRequest(fileId, parentId); if (!string.IsNullOrEmpty(etag)) { return await boxClient.FilesManager.UpdateInformationAsync(fileRequest, etag); } else { return await boxClient.FilesManager.UpdateInformationAsync(fileRequest); } }
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53. Example
Project: boxcli
Source File: FileVersionSubCommandBase.cs
Source File: FileVersionSubCommandBase.cs
protected void CheckForFileVersionId(string id, CommandLineApplication app) { if (string.IsNullOrEmpty(id)) { app.ShowHelp(); throw new Exception("A file version ID is required for this command."); } }
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54. Example
Project: 0install-win
Source File: MainForm.cs
Source File: MainForm.cs
public IProgress<TaskSnapshot> GetProgressControl([NotNull] string taskName) { #region Sanity checks if (string.IsNullOrEmpty(taskName)) throw new ArgumentNullException(nameof(taskName)); #endregion taskControl.TaskName = taskName; taskControl.Visible = true; return taskControl; }
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55. Example
Project: 0install-win
Source File: MainForm.cs
Source File: MainForm.cs
public void ShowNotificactionBar([NotNull] string message, [NotNull] Action clickHandler) { #region Sanity checks if (string.IsNullOrEmpty(message)) throw new ArgumentNullException(nameof(message)); if (clickHandler == null) throw new ArgumentNullException(nameof(clickHandler)); #endregion var targetLocation = labelNotificationBar.Location; labelNotificationBar.Location -= new Size(0, labelNotificationBar.Height); labelNotificationBar.Text = message; labelNotificationBar.Visible = true; var timer = new Timer {Interval = 10, Enabled = true}; components.Add(timer); timer.Tick += delegate { labelNotificationBar.Location += new Size(0, 1); if (labelNotificationBar.Location == targetLocation) timer.Enabled = false; }; _notificationBarClickHandler = clickHandler; }
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56. Example
Project: 0install-win
Source File: PortableCreatorDialog.cs
Source File: PortableCreatorDialog.cs
private void textBoxTarget_TextChanged(object sender, System.EventArgs e) { buttonDeploy.Enabled = !string.IsNullOrEmpty(textBoxTarget.Text); }
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57. Example
Project: 0install-win
Source File: SyncWizard.cs
Source File: SyncWizard.cs
private void textBoxCredentials_TextChanged(object sender, EventArgs e) { pageCredentials.AllowNext = !string.IsNullOrEmpty(textBoxUsername.Text) && !string.IsNullOrEmpty(textBoxPassword.Text); }
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58. Example
Project: 0install-win
Source File: SyncWizard.cs
Source File: SyncWizard.cs
private void textBoxCryptoKey_TextChanged(object sender, EventArgs e) { pageExistingCryptoKey.AllowNext = !string.IsNullOrEmpty(textBoxCryptoKey.Text); }
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59. Example
Project: 0install-win
Source File: SyncWizard.cs
Source File: SyncWizard.cs
private void textBoxCryptoKeyReset_TextChanged(object sender, EventArgs e) { pageResetCryptoKey.AllowNext = !string.IsNullOrEmpty(textBoxCryptoKeyReset.Text); }
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60. Example
Project: 0install-win
Source File: SyncWizard.cs
Source File: SyncWizard.cs
private void textBoxCryptoKeyNew_TextChanged(object sender, EventArgs e) { pageNewCryptoKey.AllowNext = !string.IsNullOrEmpty(textBoxCryptoKeyNew.Text); }
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61. Example
Project: 0install-win
Source File: SyncWizard.cs
Source File: SyncWizard.cs
private void textBoxCryptoKeyChange_TextChanged(object sender, EventArgs e) { pageChangeCryptoKey.AllowNext = !string.IsNullOrEmpty(textBoxCryptoKeyChange.Text); }
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62. Example
Project: 0install-win
Source File: AddAlias.cs
Source File: AddAlias.cs
[ContractAnnotation("=>null,foundAppEntry:null; =>notnull,foundAppEntry:notnull")] internal static AppAlias GetAppAlias([NotNull] AppList appList, [NotNull] string aliasName, out AppEntry foundAppEntry) { #region Sanity checks if (appList == null) throw new ArgumentNullException(nameof(appList)); if (string.IsNullOrEmpty(aliasName)) throw new ArgumentNullException(nameof(aliasName)); #endregion var results = from entry in appList.Entries where entry.AccessPoints != null from alias in entry.AccessPoints.Entries.OfType<AppAlias>() where alias.Name == aliasName select new {entry, alias}; var result = results.FirstOrDefault(); if (result == null) { foundAppEntry = null; return null; } else { foundAppEntry = result.entry; return result.alias; } }
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63. Example
Project: 0install-win
Source File: CommandBase.cs
Source File: CommandBase.cs
[CanBeNull] protected Feed FindByShortName([NotNull] string shortName) { #region Sanity checks if (string.IsNullOrEmpty(shortName)) throw new ArgumentNullException(nameof(shortName)); #endregion Feed result = null; if (!FeedManager.Refresh) result = CatalogManager.GetCachedSafe().FindByShortName(shortName); if (result == null && Config.NetworkUse != NetworkLevel.Offline) result = CatalogManager.GetOnlineSafe().FindByShortName(shortName); return result; }
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64. Example
Project: 0install-win
Source File: ConfigDialog.cs
Source File: ConfigDialog.cs
private void textBoxSyncServer_TextChanged(object sender, EventArgs e) { _config.SyncServer = (!textBoxSyncServer.IsValid || string.IsNullOrEmpty(textBoxSyncServer.Text)) ? new Uri(Config.DefaultSyncServer) : textBoxSyncServer.Uri; propertyGridAdvanced.Refresh(); }
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65. Example
Project: 0install-win
Source File: ProgressForm.cs
Source File: ProgressForm.cs
public IProgress<TaskSnapshot> GetProgressControl([NotNull] string taskName) { #region Sanity checks if (string.IsNullOrEmpty(taskName)) throw new ArgumentNullException(nameof(taskName)); if (InvokeRequired) throw new InvalidOperationException("Method called from a non UI thread."); #endregion taskControl.Visible = true; // Hide other stuff if (_selectionsShown) selectionsControl.Hide(); taskControl.TaskName = taskName; return taskControl; }
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66. Example
Project: 0install-win
Source File: ProgressForm.cs
Source File: ProgressForm.cs
public void ShowTrayIcon(string information = null, ToolTipIcon messageType = ToolTipIcon.None) { #region Sanity checks if (InvokeRequired) throw new InvalidOperationException("Method called from a non UI thread."); #endregion notifyIcon.Visible = true; if (!string.IsNullOrEmpty(information)) notifyIcon.ShowBalloonTip(7500, "Zero Install", information, messageType); }
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67. Example
Project: 0install-win
Source File: EntryPoint.Callbacks.cs
Source File: EntryPoint.Callbacks.cs
private void ConfigureTaskbar(IntPtr windowHandle) { if (_relaunchInformation == null || !WindowsUtils.IsWindows7) return; // Add correct relaunch information string commandPath = (_relaunchInformation.NeedsTerminal ? _relaunchControl.CommandPathCli : _relaunchControl.CommandPathGui + " --no-wait"); // Select best suited launcher string icon = (string.IsNullOrEmpty(_relaunchInformation.IconPath) ? null : _relaunchInformation.IconPath + ",0"); // Always use the first icon in the file WindowsTaskbar.SetWindowAppID(windowHandle, _relaunchInformation.AppID, '"' + commandPath + "\" run " + _relaunchInformation.Target, icon, _relaunchInformation.Name); // Add jump list entry to select an alternative application version WindowsTaskbar.AddTaskLinks(_relaunchInformation.AppID, new[] {new WindowsTaskbar.ShellLink("Versions", _relaunchControl.CommandPathGui, "run --customize " + _relaunchInformation.Target)}); }
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68. Example
Project: alphaTab
Source File: GpxParser.cs
Source File: GpxParser.cs
private void ParseScoreNode(XmlNode element) { foreach (var c in element.ChildNo/n ..... /n //View Source file for more details /n }
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69. Example
Project: alphaTab
Source File: GpxParser.cs
Source File: GpxParser.cs
private void BuildModel() { // build score for (int i = 0, j = _mast/n ..... /n //View Source file for more details /n }
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70. Example
Project: alphaTab
Source File: MusicXmlImporter.cs
Source File: MusicXmlImporter.cs
private void ParseLyric(XmlNode element, Beat beat) { foreach (var c in element.ChildNodes) { if (c.NodeType == XmlNodeType.Element) { switch (c.LocalName) { case "text": if (!string.IsNullOrEmpty(beat.Text)) { beat.Text += " " + c.InnerText; } else { beat.Text = c.InnerText; } break; } } } }
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71. Example
Project: alphaTab
Source File: MusicXmlImporter.cs
Source File: MusicXmlImporter.cs
private void ParseIdentification(XmlNode element) { foreach (var c in element.ChildNodes) { if (c.NodeType == XmlNodeType.Element) { switch (c.LocalName) { case "creator": if (c.GetAttribute("type") == "composer") { _score.Words = c.InnerText; } break; case "rights": if (!string.IsNullOrEmpty(_score.Copyright)) { _score.Copyright += "\n"; } _score.Copyright += c.InnerText; break; } } } }
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72. Example
Project: alphaTab
Source File: SvgCanvas.cs
Source File: SvgCanvas.cs
public float MeasureText(string text) { if (string.IsNullOrEmpty(text)) return 0; var font = SupportedFonts.Arial; if (Font.Family.Contains("Times")) { font = SupportedFonts.TimesNewRoman; } return FontSizes.MeasureString(text, font, Font.Size, Font.Style); }
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73. Example
Project: alphaTab
Source File: NoteNumberGlyph.cs
Source File: NoteNumberGlyph.cs
public override void DoLayout() { IsEmpty = string.IsNullOrEmpty(_noteString) && string.IsNullOrEmpty(_trillNoteString); if (!IsEmpty) { Renderer.ScoreRenderer.Canvas.Font = Renderer.Resources.TablatureFont; _noteStringWidth = Renderer.ScoreRenderer.Canvas.MeasureText(_noteString); _trillNoteStringWidth = Renderer.ScoreRenderer.Canvas.MeasureText(_trillNoteString); Width = _noteStringWidth + _trillNoteStringWidth; } }
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74. Example
Project: alphaTab
Source File: ScoreLayout.cs
Source File: ScoreLayout.cs
private void CreateScoreInfoGlyphs() { Logger.Info("ScoreLayout", "Creating scor/n ..... /n //View Source file for more details /n }
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75. Example
Project: VRpportunity
Source File: OVRDebugInfo.cs
Source File: OVRDebugInfo.cs
void UpdateStrings() { if (debugUIObject == null) return; if (!string.IsNullOrEmpty(strFPS)) fps.GetComponentInChildren<Text>().text = strFPS; if (!string.IsNullOrEmpty(strIPD)) ipd.GetComponentInChildren<Text>().text = strIPD; if (!string.IsNullOrEmpty(strFOV)) fov.GetComponentInChildren<Text>().text = strFOV; if (!string.IsNullOrEmpty(strResolutionEyeTexture)) resolutionEyeTexture.GetComponentInChildren<Text>().text = strResolutionEyeTexture; if (!string.IsNullOrEmpty(strLatencies)) { latencies.GetComponentInChildren<Text>().text = strLatencies; latencies.GetComponentInChildren<Text>().fontSize = 14; } if (!string.IsNullOrEmpty(strHeight)) height.GetComponentInChildren<Text>().text = strHeight; if (!string.IsNullOrEmpty(strDepth)) depth.GetComponentInChildren<Text>().text = strDepth; }
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76. Example
Project: TraceLab
Source File: TrueIfSelectedDesignModeValueProvider.cs
Source File: TrueIfSelectedDesignModeValueProvider.cs
private static bool IsIdentifierEmpty(PropertyIdentifier identifier) { #if SILVERLIGHT return identifier.IsEmpty; #else return String.IsNullOrEmpty(identifier.Name); #endif }
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77. Example
Project: TraceLab
Source File: DataGridBoundColumn.cs
Source File: DataGridBoundColumn.cs
private static object OnCoerceSortMemberPath(DependencyObject d, object baseValue) { var column = (DataGridBoundColumn)d; var sortMemberPath = (string)baseValue; if (string.IsNullOrEmpty(sortMemberPath)) { sortMemberPath = DataGridHelper.GetPathFromBinding(column.Binding as Binding); } return sortMemberPath; }
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78. Example
Project: TraceLab
Source File: DataGridComboBoxColumn.cs
Source File: DataGridComboBoxColumn.cs
private static object OnCoerceSortMemberPath(DependencyObject d, object baseValue) { var column = (DataGridComboBoxColumn)d; var sortMemberPath = (string)baseValue; if (string.IsNullOrEmpty(sortMemberPath)) { sortMemberPath = DataGridHelper.GetPathFromBinding(column.EffectiveBinding as Binding); } return sortMemberPath; }
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79. Example
Project: TraceLab
Source File: DataGridHelper.cs
Source File: DataGridHelper.cs
internal static string GetPathFromBinding(Binding binding) { if (binding != null) { if (!string.IsNullOrEmpty(binding.XPath)) { return binding.XPath; } else if (binding.Path != null) { return binding.Path.Path; } } return null; }
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80. Example
Project: TraceLab
Source File: DataGridTemplateColumn.cs
Source File: DataGridTemplateColumn.cs
private static object OnCoerceTemplateColumnCanUserSort(DependencyObject d, object baseValue) { DataGridTemplateColumn templateColumn = (DataGridTemplateColumn)d; if (string.IsNullOrEmpty(templateColumn.SortMemberPath)) { return false; } return DataGridColumn.OnCoerceCanUserSort(d, baseValue); }
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81. Example
Project: TraceLab
Source File: ExperimentTest.cs
Source File: ExperimentTest.cs
[TestMethod] public void ExperimentNew() { IExperiment experiment = ExperimentManager.New(); Assert.IsNotNull(experiment); Assert.IsFalse(experiment.IsModified); Assert.AreEqual(2, experiment.VertexCount); Assert.IsTrue(string.IsNullOrEmpty(experiment.ExperimentInfo.FilePath)); }
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82. Example
Project: TraceLab
Source File: AboutExperimentDialog.cs
Source File: AboutExperimentDialog.cs
private bool hasChallengePasswordBeenUsed(){ if (!string.IsNullOrEmpty (m_applicationViewModel.Experiment.ExperimentInfo.ChallengePassword) && m_applicationViewModel.Experiment.ExperimentInfo.ChallengePassword.Equals(m_applicationViewModel.Experiment.unlockingPassword)){ return true; } return false; }
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83. Example
Project: TraceLab
Source File: TabStrip.cs
Source File: TabStrip.cs
public void SetLabel (Gtk.Widget page, Gdk.Pixbuf icon, string label) { Pango.EllipsizeMode oldMode = Pango.EllipsizeMode.End; this.page = page; if (Child != null) { if (labelWidget != null) oldMode = labelWidget.Ellipsize; Gtk.Widget oc = Child; Remove (oc); oc.Destroy (); } Gtk.HBox box = new HBox (); box.Spacing = 2; if (icon != null) box.PackStart (new Gtk.Image (icon), false, false, 0); if (!string.IsNullOrEmpty (label)) { labelWidget = new Gtk.Label (label); labelWidget.UseMarkup = true; box.PackStart (labelWidget, true, true, 0); } else { labelWidget = null; } Add (box); // Get the required size before setting the ellipsize property, since ellipsized labels // have a width request of 0 ShowAll (); labelWidth = SizeRequest ().Width; if (labelWidget != null) labelWidget.Ellipsize = oldMode; }
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84. Example
Project: TraceLab
Source File: PasswordPicker.cs
Source File: PasswordPicker.cs
protected void OnButtonOkClicked (object sender, EventArgs e) { this.error = "";/n ..... /n //View Source file for more details /n }
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85. Example
Project: TraceLab
Source File: AuthenticationAndUploadViewModel.cs
Source File: AuthenticationAndUploadViewModel.cs
private bool CanExecuteAuthenticate(object param) { if (String.IsNullOrEmpty(Username) || String.IsNullOrEmpty(Password)) { return false; } return true; }
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86. Example
Project: TraceLab
Source File: BenchmarkWizardViewModel.cs
Source File: BenchmarkWizardViewModel.cs
private bool CanAdvanceState(object param) { //if state is process allow advancing only when experiment is completed and if contest is online if (CurrentState == BenchmarkWizardState.Process) return BenchmarkExperimentCompleted && SelectedBenchmark.IsOnlineContest; if (CurrentState == BenchmarkWizardState.QuestionToPublishResults) return !String.IsNullOrEmpty(TechniqueName) && !String.IsNullOrEmpty(TechniqueDescription); if (CurrentState == BenchmarkWizardState.AuthenticationAndUpload) return false; //cannot advance anymore so disable button return SelectedBenchmark != null && SelectedBenchmark.ComponentTemplate != null && CurrentState != BenchmarkWizardState.Process; }
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87. Example
Project: TraceLab
Source File: DefiningBenchmarkViewModel.cs
Source File: DefiningBenchmarkViewModel.cs
private bool CanExecuteDefine(object param) { bool canExecuteDefine = (String.IsNullOrEmpty(BenchmarkInfo.FilePath) == false && SelectedTemplateNode != null); //if contest is to be published, it is required to select also experiment results if (PublishContest == true) { canExecuteDefine = canExecuteDefine && SelectedExperimentResults != null; } return canExecuteDefine; }
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88. Example
Project: TraceLab
Source File: TraceLabApplication.cs
Source File: TraceLabApplication.cs
private static void SetExperimentFileToBeOpen(string value) { if (string.IsNullOrEmpty(value)) throw new ArgumentNullException("value"); ExperimentFileToBeOpen = value; }
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89. Example
Project: TraceLab
Source File: TraceLabApplication.cs
Source File: TraceLabApplication.cs
private static void SetDecisionsDirectory(string value) { if (string.IsNullOrEmpty(value)) throw new ArgumentNullException("value"); DecisionDirectory = value; }
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90. Example
Project: TraceLab
Source File: TraceLabApplication.cs
Source File: TraceLabApplication.cs
private static void SetWorkspaceDirectory(string value) { if (string.IsNullOrEmpty(value)) throw new ArgumentNullException("value"); WorkspaceDirectory = value; }
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91. Example
Project: TraceLab
Source File: TraceLabApplication.cs
Source File: TraceLabApplication.cs
private static void SetCacheDirectory(string value) { if (string.IsNullOrEmpty(value)) throw new ArgumentNullException("value"); CacheDirectory = value; }
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92. Example
Project: TraceLab
Source File: TraceLabApplication.cs
Source File: TraceLabApplication.cs
private static void SetBaseDirectory(string value) { if (string.IsNullOrEmpty(value)) throw new ArgumentNullException("value"); BaseDirectory = value; }
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93. Example
Project: cofoundry
Source File: SmtpMailDispatchService.cs
Source File: SmtpMailDispatchService.cs
private string GetDebugDropPath() { if (string.IsNullOrEmpty(_smtpMailSettings.DebugMailDropDirectory)) { throw new ApplicationException("Cofoundry:SmtpMail:DebugMailDropDirectory configuration has been requested and is not set."); } var debugMailDropDirectory = _pathResolver.MapPath(_smtpMailSettings.DebugMailDropDirectory); if (!Directory.Exists(debugMailDropDirectory)) { Directory.CreateDirectory(debugMailDropDirectory); } return debugMailDropDirectory; }
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94. Example
Project: cofoundry
Source File: QueryExecutorExtensions.cs
Source File: QueryExecutorExtensions.cs
public static TEntity GetById<TEntity>(this IQueryExecutor executor, string id) { if (string.IsNullOrEmpty(id)) return default(TEntity); var query = new GetByStringQuery<TEntity>() { Id = id }; return executor.Execute(query); }
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95. Example
Project: cofoundry
Source File: QueryExecutorExtensions.cs
Source File: QueryExecutorExtensions.cs
public static TEntity GetById<TEntity>(this IQueryExecutor executor, string id, IExecutionContext ex) { if (string.IsNullOrEmpty(id)) return default(TEntity); var query = new GetByStringQuery<TEntity>() { Id = id }; return executor.Execute(query, ex); }
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96. Example
Project: cofoundry
Source File: QueryExecutorExtensions.cs
Source File: QueryExecutorExtensions.cs
public static async Task<TEntity> GetByIdAsync<TEntity>(this IQueryExecutor executor, string id) { if (string.IsNullOrEmpty(id)) return default(TEntity); var query = new GetByStringQuery<TEntity>() { Id = id }; return await executor.ExecuteAsync(query); }
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97. Example
Project: cofoundry
Source File: QueryExecutorExtensions.cs
Source File: QueryExecutorExtensions.cs
public static async Task<TEntity> GetByIdAsync<TEntity>(this IQueryExecutor executor, string id, IExecutionContext ex) { if (string.IsNullOrEmpty(id)) return default(TEntity); var query = new GetByStringQuery<TEntity>() { Id = id }; return await executor.ExecuteAsync(query, ex); }
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98. Example
Project: cofoundry
Source File: SearchImageAssetSummariesQueryHandler.cs
Source File: SearchImageAssetSummariesQueryHandler.cs
public async Task<PagedQueryResult<ImageAssetSummary>> ExecuteAsync(SearchImageAssetSumm/n ..... /n //View Source file for more details /n }
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99. Example
Project: cofoundry
Source File: SearchPageSummariesQueryHandler.cs
Source File: SearchPageSummariesQueryHandler.cs
private IQueryable<PageSummary> CreateQuery(SearchPageSummariesQuery query) { /n ..... /n //View Source file for more details /n }
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100. Example
Project: cofoundry
Source File: RegisterPageTemplatesCommandHandler.cs
Source File: RegisterPageTemplatesCommandHandler.cs
private Task EnsureCustomEntityDefinitionExists( PageTemplateFileInfo fileTemplateDetails, PageTemplate dbPageTemplate ) { var definitionCode = fileTemplateDetails.CustomEntityDefinition?.CustomEntityDefinitionCode; // Only update/check the definition if it has changed to potentially save a query if (!string.IsNullOrEmpty(definitionCode) && (dbPageTemplate == null || definitionCode != dbPageTemplate.CustomEntityDefinitionCode)) { var command = new EnsureCustomEntityDefinitionExistsCommand(fileTemplateDetails.CustomEntityDefinition.CustomEntityDefinitionCode); return _commandExecutor.ExecuteAsync(command); } return Task.CompletedTask; }