/// <summary> /// Displays a task dialog with the given configuration options. /// </summary> /// <param name="options"> /// A <see cref="T:TaskDialogInterop.TaskDialogOptions"/> that specifies the /// configuration options for the dialog. /// </param> /// <returns> /// A <see cref="T:TaskDialogInterop.TaskDialogResult"/> value that specifies /// which button is clicked by the user. /// </returns> public static TaskDialogResult Show(TaskDialogOptions options) { TaskDialogResult result = null; // Make a copy since we'll let Showing event possibly modify them TaskDialogOptions configOptions = options; OnShowing(new TaskDialogShowingEventArgs(ref configOptions)); if (!VistaTaskDialog.IsAvailableOnThisOS) { throw new PlatformNotSupportedException("Windows 7 or newer is required for task dialogs."); } result = ShowTaskDialog(configOptions); OnClosed(new TaskDialogClosedEventArgs(result)); return(result); }
private static TaskDialogResult ShowTaskDialog(TaskDialogOptions options) { VistaTaskDialog vtd = new VistaTaskDialog(); vtd.WindowTitle = options.Title; vtd.MainInstruction = options.MainInstruction; vtd.Content = options.Content; vtd.ExpandedInformation = options.ExpandedInfo; vtd.Footer = options.FooterText; if (options.CommandButtons != null && options.CommandButtons.Length > 0) { List <VistaTaskDialogButton> lst = new List <VistaTaskDialogButton>(); for (int i = 0; i < options.CommandButtons.Length; i++) { try { VistaTaskDialogButton button = new VistaTaskDialogButton(); button.ButtonId = GetButtonIdForCommandButton(i); button.ButtonText = options.CommandButtons[i]; lst.Add(button); } catch (FormatException) { } } vtd.Buttons = lst.ToArray(); if (options.DefaultButtonIndex.HasValue && options.DefaultButtonIndex >= 0 && options.DefaultButtonIndex.Value < vtd.Buttons.Length) { vtd.DefaultButton = vtd.Buttons[options.DefaultButtonIndex.Value].ButtonId; } } else if (options.RadioButtons != null && options.RadioButtons.Length > 0) { List <VistaTaskDialogButton> lst = new List <VistaTaskDialogButton>(); for (int i = 0; i < options.RadioButtons.Length; i++) { try { VistaTaskDialogButton button = new VistaTaskDialogButton(); button.ButtonId = GetButtonIdForRadioButton(i); button.ButtonText = options.RadioButtons[i]; lst.Add(button); } catch (FormatException) { } } vtd.RadioButtons = lst.ToArray(); vtd.NoDefaultRadioButton = (!options.DefaultButtonIndex.HasValue || options.DefaultButtonIndex.Value == -1); if (options.DefaultButtonIndex.HasValue && options.DefaultButtonIndex >= 0 && options.DefaultButtonIndex.Value < vtd.RadioButtons.Length) { vtd.DefaultButton = vtd.RadioButtons[options.DefaultButtonIndex.Value].ButtonId; } } bool hasCustomCancel = false; if (options.CustomButtons != null && options.CustomButtons.Length > 0) { List <VistaTaskDialogButton> lst = new List <VistaTaskDialogButton>(); for (int i = 0; i < options.CustomButtons.Length; i++) { try { VistaTaskDialogButton button = new VistaTaskDialogButton(); button.ButtonId = GetButtonIdForCustomButton(i); button.ButtonText = options.CustomButtons[i]; if (!hasCustomCancel) { hasCustomCancel = (button.ButtonText == "Close" || button.ButtonText == "Cancel"); } lst.Add(button); } catch (FormatException) { } } vtd.Buttons = lst.ToArray(); if (options.DefaultButtonIndex.HasValue && options.DefaultButtonIndex.Value >= 0 && options.DefaultButtonIndex.Value < vtd.Buttons.Length) { vtd.DefaultButton = vtd.Buttons[options.DefaultButtonIndex.Value].ButtonId; } vtd.CommonButtons = VistaTaskDialogCommonButtons.None; } else { vtd.CommonButtons = ConvertCommonButtons(options.CommonButtons); if (options.DefaultButtonIndex.HasValue && options.DefaultButtonIndex >= 0) { vtd.DefaultButton = GetButtonIdForCommonButton(options.CommonButtons, options.DefaultButtonIndex.Value); } } vtd.MainIcon = options.MainIcon; vtd.CustomMainIcon = options.CustomMainIcon; vtd.FooterIcon = options.FooterIcon; vtd.CustomFooterIcon = options.CustomFooterIcon; vtd.EnableHyperlinks = DetectHyperlinks(options.Content, options.ExpandedInfo, options.FooterText); vtd.AllowDialogCancellation = (options.AllowDialogCancellation || hasCustomCancel || options.CommonButtons == TaskDialogCommonButtons.Close || options.CommonButtons == TaskDialogCommonButtons.OKCancel || options.CommonButtons == TaskDialogCommonButtons.YesNoCancel); vtd.CallbackTimer = options.EnableCallbackTimer; vtd.ExpandedByDefault = options.ExpandedByDefault; vtd.ExpandFooterArea = options.ExpandToFooter; vtd.PositionRelativeToWindow = true; vtd.RightToLeftLayout = false; vtd.NoDefaultRadioButton = false; vtd.CanBeMinimized = false; vtd.ShowProgressBar = options.ShowProgressBar; vtd.ShowMarqueeProgressBar = options.ShowMarqueeProgressBar; vtd.UseCommandLinks = (options.CommandButtons != null && options.CommandButtons.Length > 0); vtd.UseCommandLinksNoIcon = false; vtd.VerificationText = options.VerificationText; vtd.VerificationFlagChecked = options.VerificationByDefault; vtd.ExpandedControlText = "Hide details"; vtd.CollapsedControlText = "Show details"; vtd.Callback = options.Callback; vtd.CallbackData = options.CallbackData; vtd.Config = options; TaskDialogResult result = null; int diagResult = 0; TaskDialogSimpleResult simpResult = TaskDialogSimpleResult.None; bool verificationChecked = false; int radioButtonResult = -1; int? commandButtonResult = null; int? customButtonResult = null; diagResult = vtd.Show((vtd.CanBeMinimized ? null : options.Owner), out verificationChecked, out radioButtonResult); if (diagResult >= CommandButtonIDOffset) { simpResult = TaskDialogSimpleResult.Command; commandButtonResult = diagResult - CommandButtonIDOffset; } else if (radioButtonResult >= RadioButtonIDOffset) { simpResult = (TaskDialogSimpleResult)diagResult; radioButtonResult -= RadioButtonIDOffset; } else if (diagResult >= CustomButtonIDOffset) { simpResult = TaskDialogSimpleResult.Custom; customButtonResult = diagResult - CustomButtonIDOffset; } else { simpResult = (TaskDialogSimpleResult)diagResult; } result = new TaskDialogResult( simpResult, (String.IsNullOrEmpty(options.VerificationText) ? null : (bool?)verificationChecked), ((options.RadioButtons == null || options.RadioButtons.Length == 0) ? null : (int?)radioButtonResult), ((options.CommandButtons == null || options.CommandButtons.Length == 0) ? null : commandButtonResult), ((options.CustomButtons == null || options.CustomButtons.Length == 0) ? null : customButtonResult)); return(result); }
/// <summary> /// Initializes a new instance of the <see cref="TaskDialogClosedEventArgs"/> class. /// </summary> /// <param name="result">The result of the TaskDialog.</param> internal TaskDialogClosedEventArgs(TaskDialogResult result) { Result = result; }