/// <summary>
/// Shows the TaskDialog.
/// </summary>
/// <returns>TaskDialogResult.</returns>
public TaskDialogResult Show()
{
result = TaskDialogResult.Cancel;
TaskDialogConfiguration nativeConfig = new TaskDialogConfiguration();
nativeConfig.size = (uint)Marshal.SizeOf(nativeConfig);
nativeConfig.parentHandle = hWndOwner;
nativeConfig.commonButtons = TaskDialogResult.Cancel;
nativeConfig.content = text;
nativeConfig.windowTitle = caption;
nativeConfig.mainInstruction = instructionText;
nativeConfig.taskDialogFlags = TaskDialogOptions.AllowCancel | TaskDialogOptions.ShowProgressBar | TaskDialogOptions.PositionRelativeToWindow | TaskDialogOptions.EnableHyperlinks;
nativeConfig.callback = new TaskDialogCallback(DialogProc);
// Show the dialog.
// NOTE: this is a BLOCKING call; the dialog proc callbacks
// will be executed by the same thread as the
// Show() call before the thread of execution
// continues to the end of this method.
showState = TaskDialogShowState.Showing;
using (new EnableThemingInScope(true)) { // Here is the way we use "vanilla" P/Invoke to call TaskDialogIndirect().
TaskDialogIndirect(
nativeConfig,
out selectedButtonId,
IntPtr.Zero,
IntPtr.Zero);
}
showState = TaskDialogShowState.Closed;
// Build and return dialog result to public API - leaving it
// null after an exception is thrown is fine in this case
if ((TaskDialogCommonButtonReturnId)selectedButtonId == TaskDialogCommonButtonReturnId.Ok)
{
result = TaskDialogResult.Ok;
}
// Reset progress bar.
ProgressBarState = TaskDialogProgressBarState.Normal;
ProgressBarValue = progressBarMinimum;
// Free up strings.
if (updatedStrings != null)
{
for (int i = 0; i < updatedStrings.Length; i++)
{
if (updatedStrings[i] != IntPtr.Zero)
{
Marshal.FreeHGlobal(updatedStrings[i]);
updatedStrings[i] = IntPtr.Zero;
}
}
}
return(result);
}
/// <summary>
/// Displays a TaskDialog-based error dialog with the error icon.
/// </summary>
/// <param name="title">The dialog's title.</param>
/// <param name="text">The dialog's body.</param>
/// <returns>TaskDialogResult.</returns>
public TaskDialogResult ShowError(string title, string text)
{
result = TaskDialogResult.No;
TaskDialogConfiguration nativeConfig = new TaskDialogConfiguration();
Icon = TaskDialogStandardIcon.Error;
nativeConfig.size = (uint)Marshal.SizeOf(nativeConfig);
nativeConfig.parentHandle = hWndOwner;
nativeConfig.commonButtons = TaskDialogResult.Ok;
nativeConfig.content = text;
nativeConfig.windowTitle = title;
nativeConfig.mainInstruction = instructionText;
nativeConfig.taskDialogFlags = TaskDialogOptions.AllowCancel | TaskDialogOptions.PositionRelativeToWindow;
nativeConfig.callback = new TaskDialogCallback(DialogProc);
showState = TaskDialogShowState.Showing;
using (new EnableThemingInScope(true)) { // Here is the way we use "vanilla" P/Invoke to call TaskDialogIndirect().
TaskDialogIndirect(
nativeConfig,
out selectedButtonId,
IntPtr.Zero,
IntPtr.Zero);
}
showState = TaskDialogShowState.Closed;
if ((TaskDialogCommonButtonReturnId)selectedButtonId == TaskDialogCommonButtonReturnId.Ok)
{
result = TaskDialogResult.Ok;
}
// Free up strings.
if (updatedStrings != null)
{
for (int i = 0; i < updatedStrings.Length; i++)
{
if (updatedStrings[i] != IntPtr.Zero)
{
Marshal.FreeHGlobal(updatedStrings[i]);
updatedStrings[i] = IntPtr.Zero;
}
}
}
return(result);
}
/// <summary>
/// Displays a TaskDialog-based error dialog with the error icon.
/// </summary>
/// <param name="title">The dialog's title.</param>
/// <param name="text">The dialog's body.</param>
/// <returns>TaskDialogResult.</returns>
public TaskDialogResult ShowError( string title, string text )
{
result = TaskDialogResult.No;
TaskDialogConfiguration nativeConfig = new TaskDialogConfiguration();
Icon = TaskDialogStandardIcon.Error;
nativeConfig.size = (uint) Marshal.SizeOf( nativeConfig );
nativeConfig.parentHandle = hWndOwner;
nativeConfig.commonButtons = TaskDialogResult.Ok;
nativeConfig.content = text;
nativeConfig.windowTitle = title;
nativeConfig.mainInstruction = instructionText;
nativeConfig.taskDialogFlags = TaskDialogOptions.AllowCancel | TaskDialogOptions.PositionRelativeToWindow;
nativeConfig.callback = new TaskDialogCallback( DialogProc );
showState = TaskDialogShowState.Showing;
using ( new EnableThemingInScope( true ) ) { // Here is the way we use "vanilla" P/Invoke to call TaskDialogIndirect().
TaskDialogIndirect(
nativeConfig,
out selectedButtonId,
IntPtr.Zero,
IntPtr.Zero );
}
showState = TaskDialogShowState.Closed;
if ( (TaskDialogCommonButtonReturnId) selectedButtonId == TaskDialogCommonButtonReturnId.Ok ) {
result = TaskDialogResult.Ok;
}
// Free up strings.
if ( updatedStrings != null ) {
for ( int i = 0; i < updatedStrings.Length; i++ ) {
if ( updatedStrings[i] != IntPtr.Zero ) {
Marshal.FreeHGlobal( updatedStrings[i] );
updatedStrings[i] = IntPtr.Zero;
}
}
}
return result;
}
/// <summary>
/// Shows the TaskDialog.
/// </summary>
/// <returns>TaskDialogResult.</returns>
public TaskDialogResult Show()
{
result = TaskDialogResult.Cancel;
TaskDialogConfiguration nativeConfig = new TaskDialogConfiguration();
nativeConfig.size = (uint) Marshal.SizeOf( nativeConfig );
nativeConfig.parentHandle = hWndOwner;
nativeConfig.commonButtons = TaskDialogResult.Cancel;
nativeConfig.content = text;
nativeConfig.windowTitle = caption;
nativeConfig.mainInstruction = instructionText;
nativeConfig.taskDialogFlags = TaskDialogOptions.AllowCancel | TaskDialogOptions.ShowProgressBar | TaskDialogOptions.PositionRelativeToWindow | TaskDialogOptions.EnableHyperlinks;
nativeConfig.callback = new TaskDialogCallback( DialogProc );
// Show the dialog.
// NOTE: this is a BLOCKING call; the dialog proc callbacks
// will be executed by the same thread as the
// Show() call before the thread of execution
// continues to the end of this method.
showState = TaskDialogShowState.Showing;
using ( new EnableThemingInScope( true ) ) { // Here is the way we use "vanilla" P/Invoke to call TaskDialogIndirect().
TaskDialogIndirect(
nativeConfig,
out selectedButtonId,
IntPtr.Zero,
IntPtr.Zero );
}
showState = TaskDialogShowState.Closed;
// Build and return dialog result to public API - leaving it
// null after an exception is thrown is fine in this case
if ( (TaskDialogCommonButtonReturnId) selectedButtonId == TaskDialogCommonButtonReturnId.Ok ) {
result = TaskDialogResult.Ok;
}
// Reset progress bar.
ProgressBarState = TaskDialogProgressBarState.Normal;
ProgressBarValue = progressBarMinimum;
// Free up strings.
if ( updatedStrings != null ) {
for ( int i = 0; i < updatedStrings.Length; i++ ) {
if ( updatedStrings[i] != IntPtr.Zero ) {
Marshal.FreeHGlobal( updatedStrings[i] );
updatedStrings[i] = IntPtr.Zero;
}
}
}
return result;
}
public static extern HResult TaskDialogIndirect(
[In] TaskDialogConfiguration taskConfig,
[Out] out int button,
[Out] out int radioButton,
[MarshalAs(UnmanagedType.Bool), Out] out bool verificationFlagChecked);
private static extern HResult TaskDialogIndirect(
[In] TaskDialogConfiguration taskConfig,
[Out] out int button,
[Out] IntPtr radioButton,
[Out] IntPtr verificationFlagChecked);
