用户无法点击弹出消息框上的按钮。这发生在用户机器上，安装上面最新的.Net framework 4.5
public partial class MessageBoxControl
{
private static bool _okClicked;
private static bool _cancelClicked;
private static bool _yesClicked;
private static bool _noClicked;
public static bool IsMsgBoxOpen;
private static Window _win;
private static Grid _container;
private static MessageBoxResult _messageBoxResult;
private static DispatcherTimer _dispatcherTimer;
private static MessageBoxControl _msg;
public static Action<object, RoutedEventArgs> DefaultAction;
private static bool _isVerifySelect = false;
public MessageBoxControl()
{
InitializeComponent();
}
private static void OpenControl()
{
_msg.GdContainer.Height = 0;
_msg.GdContainer.Width = 0;
_dispatcherTimer = new DispatcherTimer();
_dispatcherTimer.Tick += dispatcherTimerOpen_Tick;
_dispatcherTimer.Interval = new TimeSpan(0, 0, 0, 0, 1);
_dispatcherTimer.Start();
}
public static void CloseControl()
{
if (_container != null) _container.IsEnabled = true;
try
{
_dispatcherTimer.Stop();
}
catch { }
_dispatcherTimer = new DispatcherTimer();
_dispatcherTimer.Tick += dispatcherTimerClose_Tick;
_dispatcherTimer.Interval = new TimeSpan(0, 0, 0, 0, 1);
_dispatcherTimer.Start();
}
public static void CloseOnEscape()
{
CloseControl();
}
public static void ExecuteDefaultAction(object obj, RoutedEventArgs e)
{
if (DefaultAction != null)
{
DefaultAction(obj, e);
}
}
private static void dispatcherTimerClose_Tick(object sender, EventArgs e)
{
_msg.MessageContainer.Visibility = Visibility.Hidden;
_msg.ButtonContainer.Visibility = Visibility.Hidden;
_msg.ButtonSelect.Visibility = Visibility.Collapsed;
if ((_msg.GdContainer.Height > 0))
{
_msg.GdContainer.Height = _msg.GdContainer.Height - 20;
}
if ((_msg.GdContainer.Width > 0))
{
_msg.GdContainer.Width = _msg.GdContainer.Width - 30;
}
else
{
_dispatcherTimer.Stop();
_container.Children.Remove(_msg);
IsMsgBoxOpen = false;
}
}
private static void dispatcherTimerOpen_Tick(object sender, EventArgs e)
{
if (!(_msg.GdContainer.Height >= 240))
{
_msg.GdContainer.Height = _msg.GdContainer.Height + 20;
}
if (!(_msg.GdContainer.Width >= 360))
{
_msg.GdContainer.Width = _msg.GdContainer.Width + 30;
}
else
{
_msg.MessageContainer.Visibility = Visibility.Visible;
_msg.ButtonContainer.Visibility = Visibility.Visible;
if (_isVerifySelect)
{
_msg.ButtonSelect.Visibility = Visibility.Visible;
}
_dispatcherTimer.Stop();
}
}
public static MessageBoxResult Show(string message,
MessageBoxButton messageBoxButton = MessageBoxButton.OK,
string iconUrl = null, bool isRed = false, Window currentWindow = null,
bool displayCancelOnly = false, UIElement newObject = null, bool isVerify = false) // testing -- bool displayCancelOnly = false
{
// displayCancelOnly = true; // testing
_isVerifySelect = isVerify;
if (_msg == null)
{
_msg = new MessageBoxControl();
}
if (currentWindow != null)
{
_win = currentWindow;
}
else
{
_win = Application.Current.Windows[0];
}
if (_win != null)
{
_container = LogicalTreeHelper.FindLogicalNode(_win, "GdContainer") as Grid;
if (_container != null)
{
var msgBox = FindChild<MessageBoxControl>(_container, _msg.Name);
if (msgBox == null)
{
//LoginPage lg = new LoginPage();
//if (_win.ToString().Equals(lg.ToString()))
//{
// _msg.Margin = new Thickness(40, 0, 0, 0);
// _container.IsEnabled = false;
// _container.Children.Add(_msg);
// IsMsgBoxOpen = true;
//}
//else
//{
_msg.Margin = new Thickness(0, 0, 0, 0);
_container.IsEnabled = false;
_container.Children.Add(_msg);
IsMsgBoxOpen = true;
//}
//lg.Close();
}
else
{
return MessageBoxResult.Cancel;
}
}
}
Panel.SetZIndex(_msg, 1000);
OpenControl();// To open control in expanding manner
CommonHelper.PlaypopupSound();
//_okClicked = false; // testing
//_cancelClicked = false; // testing
//_yesClicked = false; // testing
//_noClicked = false; // testing
//DefaultAction = null; // testing
_msg.ImgIcon.Visibility = Visibility.Collapsed;
_msg.TxtErrorMessage.Text = message;
if (newObject != null)
{
_msg.TxtErrorMessage.Inlines.Add(newObject);
}
if (isRed)
{
_msg.TxtErrorMessage.Foreground = Brushes.Red;
_msg.TxtErrorMessage.FontSize = 14;
}
if (iconUrl != null)
{
_msg.ImgIcon.Source = new BitmapImage(new Uri(iconUrl, UriKind.RelativeOrAbsolute));
_msg.ImgIcon.Visibility = Visibility.Visible;
}
if (messageBoxButton == MessageBoxButton.OK)
{
_msg.BtnOk.Visibility = Visibility.Visible;
if (_isVerifySelect)
{
_msg.BtnOkSelectFinger.Visibility = Visibility.Visible;
DefaultAction = _msg.OnOkSelectFingerClick;
}
else
DefaultAction = _msg.OnOkClick;
_msg.BtnYes.Visibility = Visibility.Collapsed;
_msg.BtnNo.Visibility = Visibility.Collapsed;
_msg.BtnCancel.Visibility = Visibility.Collapsed;
}
if (messageBoxButton == MessageBoxButton.OKCancel)
{
_msg.BtnOk.Visibility = Visibility.Visible;
_msg.BtnYes.Visibility = Visibility.Collapsed;
_msg.BtnNo.Visibility = Visibility.Collapsed;
_msg.BtnCancel.Visibility = Visibility.Visible;
DefaultAction = _msg.OnOkClick;
}
if (messageBoxButton == MessageBoxButton.YesNo)
{
_msg.BtnOk.Visibility = Visibility.Collapsed;
_msg.BtnYes.Visibility = Visibility.Visible;
_msg.BtnNo.Visibility = Visibility.Visible;
_msg.BtnCancel.Visibility = Visibility.Collapsed;
DefaultAction = _msg.OnYesClick;
}
if (messageBoxButton == MessageBoxButton.YesNoCancel)
{
_msg.BtnOk.Visibility = Visibility.Collapsed;
_msg.BtnYes.Visibility = Visibility.Visible;
_msg.BtnNo.Visibility = Visibility.Visible;
_msg.BtnCancel.Visibility = Visibility.Visible;
DefaultAction = _msg.OnYesClick;
}
if (displayCancelOnly)
{
_msg.BtnOk.Visibility = Visibility.Collapsed;
_msg.BtnYes.Visibility = Visibility.Collapsed;
_msg.BtnNo.Visibility = Visibility.Collapsed;
_msg.BtnCancel.Visibility = Visibility.Visible;
DefaultAction = _msg.OnOkClick;
}
_msg.BtnCancel.ToolTip="Hey";
_msg.BtnNo.ToolTip = "No";
_msg.BtnYes.ToolTip = "yes";
_msg.BtnOk.ToolTip = "ok";
_msg.BtnNo.ToolTip = "No";
//if (currentWindow != null)
//{
// _win = currentWindow;
//}
//else
//{
// _win = Application.Current.Windows[0];
//}
//_win = Application.Current.Windows[0];
if (_win != null)
{
_container = LogicalTreeHelper.FindLogicalNode(_win, "GdContainer") as Grid; //_win.FindName("GdContainer") as Grid;
if (_container != null)
{
var msgBox = FindChild<MessageBoxControl>(_container, _msg.Name);
if (msgBox == null)
{
_container.Children.Add(_msg);
_msg.Focus();
_win.IsEnabled = false;
}
}
}
while (!_okClicked && !_yesClicked && !_noClicked && !_cancelClicked)
{
// Stop the thread if the application is about to close
if (_msg.Dispatcher.HasShutdownStarted ||
_msg.Dispatcher.HasShutdownFinished)
{
break;
}
// Simulate "DoEvents"
_msg.Dispatcher.Invoke(
DispatcherPriority.Background,
new ThreadStart(delegate { }));
Thread.Sleep(20);
}
return _messageBoxResult;
}
private void OnOkClick(object sender, RoutedEventArgs e)
{
_okClicked = true;
_messageBoxResult = MessageBoxResult.OK;
CloseControl();
}
private void OnYesClick(object sender, RoutedEventArgs e)
{
_yesClicked = true;
_messageBoxResult = MessageBoxResult.Yes;
CloseControl();
}
private void OnNoClick(object sender, RoutedEventArgs e)
{
CloseControl();
_noClicked = true;
_messageBoxResult = MessageBoxResult.No;
}
private void OnCancelClick(object sender, RoutedEventArgs e)
{
_cancelClicked = true;
_messageBoxResult = MessageBoxResult.Cancel;
CloseControl();
}
public static T FindChild<T>(DependencyObject parent, string childName)
where T : DependencyObject
{
// Confirm parent and childName are valid.
if (parent == null) return null;
T foundChild = null;
int childrenCount = VisualTreeHelper.GetChildrenCount(parent);
for (int i = 0; i < childrenCount; i++)
{
var child = VisualTreeHelper.GetChild(parent, i);
// If the child is not of the request child type child
T childType = child as T;
if (childType == null)
{
// recursively drill down the tree
foundChild = FindChild<T>(child, childName);
// If the child is found, break so we do not overwrite the found child.
if (foundChild != null) break;
}
else if (!string.IsNullOrEmpty(childName))
{
var frameworkElement = child as FrameworkElement;
// If the child's name is set for search
if (frameworkElement != null && frameworkElement.Name == childName)
{
// if the child's name is of the request name
foundChild = (T)child;
break;
}
}
else
{
// child element found.
foundChild = (T)child;
break;
}
}
return foundChild;
}
private void OnOkSelectFingerClick(object sender, RoutedEventArgs e)
{
_okClicked = true;
_messageBoxResult = MessageBoxResult.Yes;
CloseControl();
}
}