internal NativeTaskDialogSettings()
{
nativeConfiguration = new TaskDialogNativeMethods.TASKDIALOGCONFIG();
// Apply standard settings.
nativeConfiguration.cbSize = (uint)Marshal.SizeOf(nativeConfiguration);
nativeConfiguration.hwndParent = IntPtr.Zero;
nativeConfiguration.hInstance = IntPtr.Zero;
nativeConfiguration.dwFlags = TaskDialogNativeMethods.TASKDIALOG_FLAGS.TDF_ALLOW_DIALOG_CANCELLATION;
nativeConfiguration.dwCommonButtons = TaskDialogNativeMethods.TASKDIALOG_COMMON_BUTTON_FLAGS.TDCBF_OK_BUTTON;
nativeConfiguration.MainIcon = new TaskDialogNativeMethods.TASKDIALOGCONFIG_ICON_UNION(0);
nativeConfiguration.FooterIcon = new TaskDialogNativeMethods.TASKDIALOGCONFIG_ICON_UNION(0);
nativeConfiguration.cxWidth = TaskDialogDefaults.IdealWidth;
// Zero out all the custom button fields.
nativeConfiguration.cButtons = 0;
nativeConfiguration.cRadioButtons = 0;
nativeConfiguration.pButtons = IntPtr.Zero;
nativeConfiguration.pRadioButtons = IntPtr.Zero;
nativeConfiguration.nDefaultButton = 0;
nativeConfiguration.nDefaultRadioButton = 0;
// Various text defaults.
nativeConfiguration.pszWindowTitle = TaskDialogDefaults.Caption;
nativeConfiguration.pszMainInstruction = TaskDialogDefaults.MainInstruction;
nativeConfiguration.pszContent = TaskDialogDefaults.Content;
nativeConfiguration.pszVerificationText = null;
nativeConfiguration.pszExpandedInformation = null;
nativeConfiguration.pszExpandedControlText = null;
nativeConfiguration.pszCollapsedControlText = null;
nativeConfiguration.pszFooter = null;
}
internal NativeTaskDialogSettings()
{
nativeConfiguration = new TaskDialogNativeMethods.TASKDIALOGCONFIG();
// Apply standard settings.
nativeConfiguration.cbSize = (uint)Marshal.SizeOf(nativeConfiguration);
nativeConfiguration.hwndParent = IntPtr.Zero;
nativeConfiguration.hInstance = IntPtr.Zero;
nativeConfiguration.dwFlags = TaskDialogNativeMethods.TASKDIALOG_FLAGS.TDF_ALLOW_DIALOG_CANCELLATION;
nativeConfiguration.dwCommonButtons = TaskDialogNativeMethods.TASKDIALOG_COMMON_BUTTON_FLAGS.TDCBF_OK_BUTTON;
nativeConfiguration.MainIcon = new TaskDialogNativeMethods.TASKDIALOGCONFIG_ICON_UNION(0);
nativeConfiguration.FooterIcon = new TaskDialogNativeMethods.TASKDIALOGCONFIG_ICON_UNION(0);
nativeConfiguration.cxWidth = TaskDialogDefaults.IdealWidth;
// Zero out all the custom button fields.
nativeConfiguration.cButtons = 0;
nativeConfiguration.cRadioButtons = 0;
nativeConfiguration.pButtons = IntPtr.Zero;
nativeConfiguration.pRadioButtons = IntPtr.Zero;
nativeConfiguration.nDefaultButton = 0;
nativeConfiguration.nDefaultRadioButton = 0;
// Various text defaults.
nativeConfiguration.pszWindowTitle = TaskDialogDefaults.Caption;
nativeConfiguration.pszMainInstruction = TaskDialogDefaults.MainInstruction;
nativeConfiguration.pszContent = TaskDialogDefaults.Content;
nativeConfiguration.pszVerificationText = null;
nativeConfiguration.pszExpandedInformation = null;
nativeConfiguration.pszExpandedControlText = null;
nativeConfiguration.pszCollapsedControlText = null;
nativeConfiguration.pszFooter = null;
}
/// <summary>
/// Sets important text properties.
/// </summary>
/// <param name="dialogConfig">An instance of a <see cref="TaskDialogNativeMethods.TASKDIALOGCONFIG"/> object.</param>
private void ApplyTextConfiguration(TaskDialogNativeMethods.TASKDIALOGCONFIG dialogConfig)
{
// note that nulls or empty strings are fine here.
dialogConfig.pszContent = text;
dialogConfig.pszWindowTitle = caption;
dialogConfig.pszMainInstruction = instructionText;
dialogConfig.pszExpandedInformation = detailsExpandedText;
dialogConfig.pszExpandedControlText = detailsExpandedLabel;
dialogConfig.pszCollapsedControlText = detailsCollapsedLabel;
dialogConfig.pszFooter = footerText;
dialogConfig.pszVerificationText = checkBoxText;
}
// Configuration is applied at dialog creation time.
internal NativeTaskDialog(
NativeTaskDialogSettings settings,
TaskDialog outerDialog)
{
nativeDialogConfig = settings.NativeConfiguration;
this.settings = settings;
// Wireup dialog proc message loop for this instance.
nativeDialogConfig.pfCallback =
new TaskDialogNativeMethods.PFTASKDIALOGCALLBACK(DialogProc);
// Keep a reference to the outer shell, so we can notify.
this.outerDialog = outerDialog;
}
// Configuration is applied at dialog creation time.
internal NativeTaskDialog(
NativeTaskDialogSettings settings,
TaskDialog outerDialog)
{
nativeDialogConfig = settings.NativeConfiguration;
this.settings = settings;
// Wireup dialog proc message loop for this instance.
nativeDialogConfig.pfCallback =
new TaskDialogNativeMethods.PFTASKDIALOGCALLBACK(DialogProc);
// Keep a reference to the outer shell, so we can notify.
this.outerDialog = outerDialog;
}
private void ApplyGeneralNativeConfiguration(TaskDialogNativeMethods.TASKDIALOGCONFIG dialogConfig)
{
// If an owner wasn't specifically specified,
// we'll use the app's main window.
if (ownerWindow != IntPtr.Zero)
{
dialogConfig.hwndParent = ownerWindow;
}
// Other miscellaneous sets.
dialogConfig.MainIcon =
new TaskDialogNativeMethods.TASKDIALOGCONFIG_ICON_UNION((int)icon);
dialogConfig.FooterIcon =
new TaskDialogNativeMethods.TASKDIALOGCONFIG_ICON_UNION((int)footerIcon);
dialogConfig.dwCommonButtons =
(TaskDialogNativeMethods.TASKDIALOG_COMMON_BUTTON_FLAGS)standardButtons;
}
private void ApplyOptionConfiguration(TaskDialogNativeMethods.TASKDIALOGCONFIG dialogConfig)
{
// Handle options - start with no options set.
TaskDialogNativeMethods.TASKDIALOG_FLAGS options = TaskDialogNativeMethods.TASKDIALOG_FLAGS.NONE;
if (cancelable)
{
options |= TaskDialogNativeMethods.TASKDIALOG_FLAGS.TDF_ALLOW_DIALOG_CANCELLATION;
}
if (footerCheckBoxChecked.HasValue && footerCheckBoxChecked.Value)
{
options |= TaskDialogNativeMethods.TASKDIALOG_FLAGS.TDF_VERIFICATION_FLAG_CHECKED;
}
if (hyperlinksEnabled)
{
options |= TaskDialogNativeMethods.TASKDIALOG_FLAGS.TDF_ENABLE_HYPERLINKS;
}
if (detailsExpanded)
{
options |= TaskDialogNativeMethods.TASKDIALOG_FLAGS.TDF_EXPANDED_BY_DEFAULT;
}
if (Tick != null)
{
options |= TaskDialogNativeMethods.TASKDIALOG_FLAGS.TDF_CALLBACK_TIMER;
}
if (startupLocation == TaskDialogStartupLocation.CenterOwner)
{
options |= TaskDialogNativeMethods.TASKDIALOG_FLAGS.TDF_POSITION_RELATIVE_TO_WINDOW;
}
// Note: no validation required, as we allow this to
// be set even if there is no expanded information
// text because that could be added later.
// Default for Win32 API is to expand into (and after)
// the content area.
if (expansionMode == TaskDialogExpandedDetailsLocation.ExpandFooter)
{
options |= TaskDialogNativeMethods.TASKDIALOG_FLAGS.TDF_EXPAND_FOOTER_AREA;
}
// Finally, apply options to config.
dialogConfig.dwFlags = options;
}
internal static extern HRESULT TaskDialogIndirect(
[In] TaskDialogNativeMethods.TASKDIALOGCONFIG pTaskConfig,
[Out] out int pnButton,
[Out] out int pnRadioButton,
[MarshalAs(UnmanagedType.Bool)][Out] out bool pVerificationFlagChecked);
