/// <summary>
/// Display a task dialog.
/// </summary>
/// <param name="owner"></param>
/// <returns></returns>
public TaskDialogResult ShowDialog(IWin32Window owner)
{
int defaultButton;
var win32Btns = ToButtons(this.Buttons, out defaultButton);
int hr, buttonId;
bool verificationChecked;
try
{
var config = new UnsafeNativeMethods.TASKDIALOGCONFIG();
config.hwndParent = GetOwnerWindow(owner);
config.dwFlags = PropertiesToFlags();
config.dwCommonButtons = SanitiseFlags(this.commonButtons);
config.pszWindowTitle = this.windowTitle;
config.pszMainIcon = IconToID(this.mainIcon);
config.pszMainInstruction = this.mainInstruction;
config.pszContent = this.contentText;
config.cButtons = (uint)this.Buttons.Count;
config.pButtons = win32Btns;
config.nDefaultButton = defaultButton;
config.pszVerificationText = this.verificationText;
config.pszExpandedInformation = this.expandedInformation;
config.pszExpandedControlText = this.expandedControlText;
config.pszCollapsedControlText = this.collapsedControlText;
config.pszFooterIcon = IconToID(this.footerIcon);
config.pszFooter = this.footerText;
config.cxWidth = this.width >= 0 ? (uint)this.width : 0;
hr = UnsafeNativeMethods.TaskDialogIndirect(config, out buttonId, IntPtr.Zero, out verificationChecked);
}
finally
{
Marshal.FreeCoTaskMem(win32Btns);
}
this.verificationChecked = false;
if (hr >= 0)
{
this.verificationChecked = verificationChecked;
}
else
{
throw new COMException("TaskDialogIndirect() failed.", hr);
}
return(ResultFromKnownButtonID(buttonId));
}
public void Show(IWin32Window parent, string caption, Exception e)
{
e = e.Unwrap();
using (TraceSources.IapDesktop.TraceMethod().WithParameters(caption, e))
{
var details = new StringBuilder();
for (var innerException = e.InnerException;
innerException != null; innerException =
innerException.InnerException)
{
details.Append(e.InnerException.GetType().Name);
details.Append(":\n");
details.Append(innerException.Message);
details.Append("\n");
}
TraceSources.IapDesktop.TraceError($"Exception: {details}");
var config = new UnsafeNativeMethods.TASKDIALOGCONFIG()
{
cbSize = (uint)Marshal.SizeOf(typeof(UnsafeNativeMethods.TASKDIALOGCONFIG)),
hwndParent = parent.Handle,
dwFlags = 0,
dwCommonButtons = UnsafeNativeMethods.TASKDIALOG_COMMON_BUTTON_FLAGS.TDCBF_OK_BUTTON,
pszWindowTitle = "An error occured",
MainIcon = UnsafeNativeMethods.TD_ERROR_ICON,
pszMainInstruction = caption,
pszContent = e.Message,
pszExpandedInformation = details.ToString()
};
UnsafeNativeMethods.TaskDialogIndirect(
ref config,
out int buttonPressed,
out int radioButtonPressed,
out bool verificationFlagPressed);
}
}
