/// <summary>
/// TaskDialog wrapped in a CommonDialog class. THis is required to work well in
/// MMC 2.1. In MMC 2.1 you must use the ShowDialog methods on the MMC classes to
/// correctly show a modal dialog. This class will allow you to do this and keep access
/// to the results of the TaskDialog.
/// </summary>
/// <param name="taskDialog">The TaskDialog to show.</param>
public VistaTaskDialogCommonDialog(VistaTaskDialog taskDialog)
{
if (taskDialog == null)
{
throw new ArgumentNullException("taskDialog");
}
this.taskDialog = taskDialog;
}
//--------------------------------------------------------------------------------
public DialogResult ShowTaskDialogBox(IWin32Window Owner,
string Title,
string MainInstruction,
string Content,
string ExpandedInfo,
string Footer,
string VerificationText,
string RadioButtons,
string CommandButtons,
TaskDialogButtons Buttons,
SysIcons MainIcon,
SysIcons FooterIcon,
int DefaultIndex)
{
DialogResult result;
if (OnTaskDialogShown != null)
OnTaskDialogShown(null, EventArgs.Empty);
if (VistaTaskDialog.IsAvailableOnThisOS)
{
// [OPTION 1] Show Vista TaskDialog
VistaTaskDialog vtd = new VistaTaskDialog();
vtd.WindowTitle = Title;
vtd.MainInstruction = MainInstruction;
vtd.Content = Content;
vtd.ExpandedInformation = ExpandedInfo;
vtd.Footer = Footer;
// Radio Buttons
if (RadioButtons != "")
{
List<VistaTaskDialogButton> lst = new List<VistaTaskDialogButton>();
string[] arr = RadioButtons.Split(new char[] {'|'});
for (int i = 0; i < arr.Length; i++)
{
try
{
VistaTaskDialogButton button = new VistaTaskDialogButton();
button.ButtonId = 1000 + i;
button.ButtonText = arr[i];
lst.Add(button);
}
catch (FormatException)
{
}
}
vtd.RadioButtons = lst.ToArray();
vtd.NoDefaultRadioButton = (DefaultIndex == -1);
if (DefaultIndex >= 0)
vtd.DefaultRadioButton = DefaultIndex;
}
// Custom Buttons
if (CommandButtons != "")
{
List<VistaTaskDialogButton> lst = new List<VistaTaskDialogButton>();
string[] arr = CommandButtons.Split(new char[] {'|'});
for (int i = 0; i < arr.Length; i++)
{
try
{
VistaTaskDialogButton button = new VistaTaskDialogButton();
button.ButtonId = 2000 + i;
button.ButtonText = arr[i];
lst.Add(button);
}
catch (FormatException)
{
}
}
vtd.Buttons = lst.ToArray();
if (DefaultIndex >= 0)
vtd.DefaultButton = DefaultIndex;
}
switch (Buttons)
{
case TaskDialogButtons.YesNo:
vtd.CommonButtons = VistaTaskDialogCommonButtons.Yes | VistaTaskDialogCommonButtons.No;
break;
case TaskDialogButtons.YesNoCancel:
vtd.CommonButtons = VistaTaskDialogCommonButtons.Yes | VistaTaskDialogCommonButtons.No |
VistaTaskDialogCommonButtons.Cancel;
break;
case TaskDialogButtons.OKCancel:
vtd.CommonButtons = VistaTaskDialogCommonButtons.Ok | VistaTaskDialogCommonButtons.Cancel;
break;
case TaskDialogButtons.OK:
vtd.CommonButtons = VistaTaskDialogCommonButtons.Ok;
break;
case TaskDialogButtons.Close:
vtd.CommonButtons = VistaTaskDialogCommonButtons.Close;
break;
case TaskDialogButtons.Cancel:
vtd.CommonButtons = VistaTaskDialogCommonButtons.Cancel;
break;
default:
vtd.CommonButtons = 0;
break;
}
switch (MainIcon)
{
case SysIcons.Information:
vtd.MainIcon = VistaTaskDialogIcon.Information;
break;
case SysIcons.Question:
vtd.MainIcon = VistaTaskDialogIcon.Question;
break;
case SysIcons.Warning:
vtd.MainIcon = VistaTaskDialogIcon.Warning;
break;
case SysIcons.Error:
vtd.MainIcon = VistaTaskDialogIcon.Error;
break;
}
switch (FooterIcon)
{
case SysIcons.Information:
vtd.FooterIcon = VistaTaskDialogIcon.Information;
break;
case SysIcons.Question:
vtd.FooterIcon = VistaTaskDialogIcon.Question;
break;
case SysIcons.Warning:
vtd.FooterIcon = VistaTaskDialogIcon.Warning;
break;
case SysIcons.Error:
vtd.FooterIcon = VistaTaskDialogIcon.Error;
break;
}
vtd.EnableHyperlinks = true;
vtd.ShowProgressBar = false;
vtd.AllowDialogCancellation = (Buttons == TaskDialogButtons.Cancel ||
Buttons == TaskDialogButtons.Close ||
Buttons == TaskDialogButtons.OKCancel ||
Buttons == TaskDialogButtons.YesNoCancel);
vtd.CallbackTimer = false;
vtd.ExpandedByDefault = false;
vtd.ExpandFooterArea = false;
vtd.PositionRelativeToWindow = true;
vtd.RightToLeftLayout = false;
vtd.NoDefaultRadioButton = false;
vtd.CanBeMinimized = false;
vtd.ShowMarqueeProgressBar = false;
vtd.UseCommandLinks = (CommandButtons != "");
vtd.UseCommandLinksNoIcon = false;
vtd.VerificationText = VerificationText;
vtd.VerificationFlagChecked = false;
vtd.ExpandedControlText = Locale.localizedString("More Options", "Bookmark");
vtd.CollapsedControlText = Locale.localizedString("More Options", "Bookmark");
vtd.Callback =
delegate(VistaActiveTaskDialog taskDialog, VistaTaskDialogNotificationArgs args, object callbackData)
{
if (!String.IsNullOrEmpty(args.Hyperlink))
{
HelpDelegate(args.Hyperlink);
}
return false;
};
// Show the Dialog
result =
(DialogResult)
vtd.Show((vtd.CanBeMinimized ? null : Owner), out _verificationChecked, out _radioButtonResult);
// if a command button was clicked, then change return result
// to "DialogResult.OK" and set the CommandButtonResult
if ((int) result >= 2000)
{
CommandButtonResult = ((int) result - 2000);
result = DialogResult.OK;
}
if (RadioButtonResult >= 1000)
RadioButtonResult -= 1000; // deduct the ButtonID start value for radio buttons
}
else
{
// [OPTION 2] Show Emulated Form
using (TaskDialogForm td = new TaskDialogForm())
{
td.Title = Title;
td.MainInstruction = MainInstruction;
td.Content = Content;
td.ExpandedInfo = ExpandedInfo;
td.Footer = Footer;
td.RadioButtons = RadioButtons;
td.CommandButtons = CommandButtons;
td.PlaySystemSounds = PlaySystemSounds;
td.Buttons = Buttons;
td.MainIcon = MainIcon;
td.FooterIcon = FooterIcon;
td.VerificationText = VerificationText;
td.Width = EmulatedFormWidth;
td.DefaultButtonIndex = DefaultIndex;
td.BuildForm();
result = td.ShowDialog(Owner);
RadioButtonResult = td.RadioButtonIndex;
CommandButtonResult = td.CommandButtonClickedIndex;
VerificationChecked = td.VerificationCheckBoxChecked;
}
}
if (OnTaskDialogClosed != null)
OnTaskDialogClosed(null, EventArgs.Empty);
return result;
}
