public TASKDIALOGCONFIG(bool construct)
{
this.cbSize = (uint)Marshal.SizeOf(typeof(TASKDIALOGCONFIG));
this.hwndParent = System.IntPtr.Zero;
this.hInstance = System.IntPtr.Zero;
this.dwFlags = TASKDIALOG_FLAGS.NONE;
//if(Program.Translation.Properties.RightToLeft) dwFlags |= VtdFlags.RtlLayout;
this.dwCommonButtons = TASKDIALOG_COMMON_BUTTON_FLAGS.TDCBF_NONE_BUTTON;
this.pszWindowTitle = null;
this.MainIcon = new TASKDIALOGCONFIG_ICON_UNION( );
this.pszMainInstruction = string.Empty;
this.pszContent = string.Empty;
this.cButtons = 0;
this.pButtons = System.IntPtr.Zero;
this.nDefaultButton = 0;
this.cRadioButtons = 0;
this.pRadioButtons = System.IntPtr.Zero;
this.nDefaultRadioButton = 0;
this.pszVerificationText = null;
this.pszExpandedInformation = null;
this.pszExpandedControlText = null;
this.pszCollapsedControlText = null;
this.FooterIcon = new TASKDIALOGCONFIG_ICON_UNION( );
this.pszFooter = null;
this.pfCallback = null;
this.lpCallbackData = System.IntPtr.Zero;
this.cxWidth = 0;
}
/// <summary>
/// Displays a task dialog with the given configuration options.
/// </summary>
/// <param name="allowDialogCancellation">Indicates that the dialog should be able to be closed using Alt-F4,
/// Escape, and the title bar's close button even if no cancel button
/// is specified the CommonButtons.</param>
/// <param name="callback">A callback that receives messages from the Task Dialog when
/// various events occur.</param>
/// <param name="callbackData">Reference object that is passed to the callback.</param>
/// <param name="commandLinks">Command links.</param>
/// <param name="commonButtons">Standard push buttons.</param>
/// <param name="content">Supplemental text that expands on the principal text.</param>
/// <param name="customButtons">Buttons that are not from the set of standard buttons. Use an
/// ampersand to denote an access key.</param>
/// <param name="customFooterIcon">A small 16x16 icon that signifies the purpose of the footer text,
/// using a custom Icon resource. If defined <paramref name="footerIcon"/>
/// will be ignored.</param>
/// <param name="customMainIcon">A large 32x32 icon that signifies the purpose of the dialog, using
/// a custom Icon resource. If defined <paramref name="mainIcon"/> will be
/// ignored.</param>
/// <param name="defaultButtonIndex">Zero-based index of the button to have focus by default.</param>
/// <param name="enableCallbackTimer">Indicates that the task dialog's callback is to be called
/// approximately every 200 milliseconds.</param>
/// <param name="expandedByDefault">Indicates that the expanded info should be displayed when the
/// dialog is initially displayed.</param>
/// <param name="expandedInfo">Extra text that will be hidden by default.</param>
/// <param name="expandToFooter">Indicates that the expanded info should be displayed at the bottom
/// of the dialog's footer area instead of immediately after the
/// dialog's content.</param>
/// <param name="footerIcon">A small 16x16 icon that signifies the purpose of the footer text,
/// using one of the built-in system icons.</param>
/// <param name="footerText">Additional footer text.</param>
/// <param name="mainIcon">A large 32x32 icon that signifies the purpose of the dialog, using
/// one of the built-in system icons.</param>
/// <param name="mainInstruction">Principal text.</param>
/// <param name="owner">The owner window of the task dialog box.</param>
/// <param name="radioButtons">Application-defined options for the user.</param>
/// <param name="showMarqueeProgressBar">Indicates that an Marquee Progress Bar is to be displayed.</param>
/// <param name="showProgressBar">Indicates that a Progress Bar is to be displayed.</param>
/// <param name="title">Caption of the window.</param>
/// <param name="verificationByDefault">Indicates that the verification checkbox in the dialog is checked
/// when the dialog is initially displayed.</param>
/// <param name="verificationText">Text accompanied by a checkbox, typically for user feedback such as
/// Do-not-show-this-dialog-again options.</param>
/// <returns>
/// A <see cref="T:TaskDialogInterop.TaskDialogResult"/> value that specifies
/// which button is clicked by the user.
/// </returns>
/// <remarks>
/// Use of this method will ignore any TaskDialogOptions.Default settings.
/// If you want to make use of defaults, create your own TaskDialogOptions starting with TaskDialogOptions.Default
/// and pass it into the Show method.
/// </remarks>
public static TaskDialogResult Show(
bool allowDialogCancellation = false,
TaskDialogCallback callback = null,
object callbackData = null,
string[] commandLinks = null,
TaskDialogCommonButtons commonButtons = TaskDialogCommonButtons.None,
string content = null,
string[] customButtons = null,
System.Drawing.Icon customFooterIcon = null,
System.Drawing.Icon customMainIcon = null,
int?defaultButtonIndex = null,
bool enableCallbackTimer = false,
bool expandedByDefault = false,
string expandedInfo = null,
bool expandToFooter = false,
TaskDialogIcon footerIcon = TaskDialogIcon.None,
string footerText = null,
TaskDialogIcon mainIcon = TaskDialogIcon.None,
string mainInstruction = null,
IntPtr owner = default(IntPtr),
string[] radioButtons = null,
bool showMarqueeProgressBar = false,
bool showProgressBar = false,
string title = null,
bool verificationByDefault = false,
string verificationText = null)
{
TaskDialogOptions options = new TaskDialogOptions()
{
AllowDialogCancellation = allowDialogCancellation,
Callback = callback,
CallbackData = callbackData,
CommandLinks = commandLinks,
CommonButtons = commonButtons,
Content = content,
CustomButtons = customButtons,
CustomFooterIcon = customFooterIcon,
CustomMainIcon = customMainIcon,
DefaultButtonIndex = defaultButtonIndex,
EnableCallbackTimer = enableCallbackTimer,
ExpandedByDefault = expandedByDefault,
ExpandedInfo = expandedInfo,
ExpandToFooter = expandToFooter,
FooterIcon = footerIcon,
FooterText = footerText,
MainIcon = mainIcon,
MainInstruction = mainInstruction,
Owner = owner,
RadioButtons = radioButtons,
ShowMarqueeProgressBar = showMarqueeProgressBar,
ShowProgressBar = showProgressBar,
Title = title,
VerificationByDefault = verificationByDefault,
VerificationText = verificationText
};
return(TaskDialog.Show(options));
}
private int PrivateCallback([In] IntPtr hwnd, [In] uint msg, [In] UIntPtr wparam, [In] IntPtr lparam, [In] IntPtr refData)
{
TaskDialogCallback callback = Callback;
if (callback != null)
{
// Prepare arguments for the callback to the user we are insulating from Interop casting sillyness.
// Future: Consider reusing a single ActiveTaskDialog object and mark it as destroyed on the destry notification.
ActiveTaskDialog activeDialog = new ActiveTaskDialog(hwnd);
TaskDialogNotificationArgs args = new TaskDialogNotificationArgs();
args.Notification = (TaskDialogNotification)msg;
switch (args.Notification)
{
case TaskDialogNotification.ButtonClicked:
case TaskDialogNotification.RadioButtonClicked:
args.ButtonId = (int)wparam;
break;
case TaskDialogNotification.HyperlinkClicked:
args.Hyperlink = Marshal.PtrToStringUni(lparam);
break;
case TaskDialogNotification.Timer:
args.TimerTickCount = (uint)wparam;
break;
case TaskDialogNotification.VerificationClicked:
args.VerificationFlagChecked = (wparam != UIntPtr.Zero);
break;
case TaskDialogNotification.ExpandoButtonClicked:
args.Expanded = (wparam != UIntPtr.Zero);
break;
}
return(callback(activeDialog, args, CallbackData) ? 1 : 0);
}
return(0); // false;
}
/// <summary>
/// Resets the Task Dialog to the state when first constructed, all properties set to their default value.
/// </summary>
public void Reset()
{
this.windowTitle = null;
this.mainInstruction = null;
this.content = null;
this.commonButtons = 0;
this.mainIcon = VistaTaskDialogIcon.None;
this.customMainIcon = null;
this.footerIcon = VistaTaskDialogIcon.None;
this.customFooterIcon = null;
this.buttons = new VistaTaskDialogButton[0];
this.radioButtons = new VistaTaskDialogButton[0];
this.flags = 0;
this.defaultButton = 0;
this.defaultRadioButton = 0;
this.verificationText = null;
this.expandedInformation = null;
this.expandedControlText = null;
this.collapsedControlText = null;
this.footer = null;
this.callback = null;
this.callbackData = null;
this.width = 0;
}
