void dlg_ButtonClick(object sender, ClickEventArgs e)
{
if (e.ButtonID == 9)
{
e.PreventClosing = true;
WindowsFormsAero.TaskDialog.TaskDialog newDlg = new TaskDialog("Uploading...", "Upload");
newDlg.ShowProgressBar = true;
newDlg.EnableCallbackTimer = true;
newDlg.ProgressBarMaxRange = 90;
newDlg.CustomButtons = new CustomButton[] {
new CustomButton(Result.Cancel, "Abort transfer")
};
newDlg.Footer = "Elapsed time: 0s.";
newDlg.FooterCommonIcon = TaskDialogIcon.Information;
WindowsFormsAero.TaskDialog.TaskDialog dlg = (WindowsFormsAero.TaskDialog.TaskDialog)sender;
dlg.Navigate(newDlg);
tickHandler = new EventHandler<TimerEventArgs>(dlg_Tick);
dlg.Tick += tickHandler;
}
}
/// <summary>
/// Common native callback for Task Dialogs.
/// Will route events to the user event handler.
/// </summary>
/// <param name="refData">TODO: Currently unused, would need complex marshaling of data.</param>
internal IntPtr CommonCallbackProc(IntPtr hWnd, uint uEvent, UIntPtr wParam, IntPtr lParam, IntPtr refData)
{
_hwnd = hWnd;
//Handle event
switch ((NativeMethods.TaskDialogNotification)uEvent)
{
case NativeMethods.TaskDialogNotification.TDN_CREATED:
//Dispatch buffered messages
DispatchMessageQueue();
Created?.Invoke(this, EventArgs.Empty);
break;
case NativeMethods.TaskDialogNotification.TDN_NAVIGATED:
//Dispatch buffered messages (copied in from the new task dialog we are navigating to)
DispatchMessageQueue();
Navigating?.Invoke(this, EventArgs.Empty);
break;
case NativeMethods.TaskDialogNotification.TDN_BUTTON_CLICKED:
var evtButtonClick = ButtonClick;
if (evtButtonClick != null)
{
ClickEventArgs args = new ClickEventArgs((int)wParam);
evtButtonClick(this, args);
//Return value given by user to prevent closing (false will close)
return((IntPtr)((args.PreventClosing) ? 1 : 0));
}
break;
case NativeMethods.TaskDialogNotification.TDN_HYPERLINK_CLICKED:
HyperlinkClick?.Invoke(this, new HyperlinkEventArgs(Marshal.PtrToStringUni(lParam)));
break;
case NativeMethods.TaskDialogNotification.TDN_TIMER:
var evtTick = Tick;
if (evtTick != null)
{
var args = new TimerEventArgs((long)wParam);
evtTick(this, args);
//Return value given by user to reset timer ticks
return((IntPtr)((args.ResetCount) ? 1 : 0));
}
break;
case NativeMethods.TaskDialogNotification.TDN_DESTROYED:
//Set dialog as not "showing" and drop handle to window
_hwnd = IntPtr.Zero;
Destroyed?.Invoke(this, EventArgs.Empty);
break;
case NativeMethods.TaskDialogNotification.TDN_RADIO_BUTTON_CLICKED:
RadioButtonClick?.Invoke(this, new ClickEventArgs((int)wParam));
break;
case NativeMethods.TaskDialogNotification.TDN_DIALOG_CONSTRUCTED:
Constructed?.Invoke(this, EventArgs.Empty);
break;
case NativeMethods.TaskDialogNotification.TDN_VERIFICATION_CLICKED:
VerificationClick?.Invoke(this, new CheckEventArgs((uint)wParam == 1));
break;
case NativeMethods.TaskDialogNotification.TDN_HELP:
Help?.Invoke(this, EventArgs.Empty);
break;
case NativeMethods.TaskDialogNotification.TDN_EXPANDO_BUTTON_CLICKED:
Expanding?.Invoke(this, new ExpandEventArgs((uint)wParam != 0));
break;
}
return(IntPtr.Zero);
}
/// <summary>Common native callback for Task Dialogs. Will route events to the user event handler.</summary>
/// <param name="refData">TODO: Currently unused, would need complex marshaling of data.</param>
internal IntPtr CommonCallbackProc(IntPtr hWnd, uint uEvent, UIntPtr wParam, IntPtr lParam, IntPtr refData)
{
//Store window handle
_hwnd = hWnd;
//Handle event
switch ((NativeMethods.TaskDialogNotification)uEvent) {
case NativeMethods.TaskDialogNotification.TDN_CREATED:
//Dispatch buffered messages
DispatchMessageQueue();
if (Created != null)
Created(this, new EventArgs());
break;
case NativeMethods.TaskDialogNotification.TDN_NAVIGATED:
//Dispatch buffered messages (copied in from the new task dialog we are navigating to)
DispatchMessageQueue();
if (Navigating != null)
Navigating(this, new EventArgs());
break;
case NativeMethods.TaskDialogNotification.TDN_BUTTON_CLICKED:
if (ButtonClick != null) {
ClickEventArgs args = new ClickEventArgs((int)wParam);
ButtonClick(this, args);
//Return value given by user to prevent closing (false will close)
return (IntPtr)((args.PreventClosing) ? 1 : 0);
}
break;
case NativeMethods.TaskDialogNotification.TDN_HYPERLINK_CLICKED:
if (HyperlinkClick != null)
HyperlinkClick(this, new HyperlinkEventArgs(Marshal.PtrToStringUni(lParam)));
break;
case NativeMethods.TaskDialogNotification.TDN_TIMER:
if (Tick != null) {
TimerEventArgs args = new TimerEventArgs((long)wParam);
Tick(this, args);
//Return value given by user to reset timer ticks
return (IntPtr)((args.ResetCount) ? 1 : 0);
}
break;
case NativeMethods.TaskDialogNotification.TDN_DESTROYED:
//Set dialog as not "showing" and drop handle to window
_hwnd = IntPtr.Zero;
if (Destroyed != null)
Destroyed(this, new EventArgs());
break;
case NativeMethods.TaskDialogNotification.TDN_RADIO_BUTTON_CLICKED:
if (RadioButtonClick != null)
RadioButtonClick(this, new ClickEventArgs((int)wParam));
break;
case NativeMethods.TaskDialogNotification.TDN_DIALOG_CONSTRUCTED:
if (Constructed != null)
Constructed(this, new EventArgs());
break;
case NativeMethods.TaskDialogNotification.TDN_VERIFICATION_CLICKED:
if (VerificationClick != null)
VerificationClick(this, new CheckEventArgs((uint)wParam == 1));
break;
case NativeMethods.TaskDialogNotification.TDN_HELP:
if (Help != null)
Help(this, new EventArgs());
break;
case NativeMethods.TaskDialogNotification.TDN_EXPANDO_BUTTON_CLICKED:
if (Expanding != null)
Expanding(this, new ExpandEventArgs((uint)wParam != 0));
break;
}
return IntPtr.Zero;
}