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Stop PriorityBinding when Dialog closes

I have a Dialog that shows images in a ListView's data templates using async PriorityBindings as the image source. (The PriorityBinding has two bindings, the first shows an immediately available ...
Gábor's user avatar
  • 10.2k
2 votes
2 answers
2k views

How to handle dialogs following the MVVM design pattern

I'm using Material Design for WPF to show a dialog which receives some inputs from the user, and I would like to return a value when it's closed. Here is the sample code: VM's method that opens the ...
Miraziz's user avatar
  • 509
0 votes
1 answer
439 views

Message box/dialog/pop-up approach in MVVM

I want to find a way to implement different forms of modals in MVVM WPF application. Like dialogs with returning results, message boxes or modal sub-windows with some controls inside. Can you give me ...
Holy's user avatar
  • 1
-1 votes
1 answer
255 views

How do you bind an observable collection to a listview located in a modal/window?

I have a wpf application that I want to be able to launch a separate window in which I will have a listview bound to an observable collection. However I am unable to get the collection values to ...
bkarin22's user avatar
4 votes
1 answer
3k views

Opening child window in WPF MVVM pattern - correct solution?

I was struggling with opening new window in MVVM pattern without violating it's rules for a month. I have read I think every post here and watch every video about this, but as a amateur programmer I ...
Świętopeł Ziemowit's user avatar
0 votes
1 answer
280 views

Prism Library Dialog Service

The following sample never worked for me: https://prismlibrary.com/docs/wpf/dialog-service.html Where the dialogService comming from? public MainWindowViewModel(IDialogService dialogService) { ...
Buruhazard's user avatar
0 votes
0 answers
105 views

How to open a WPF modal window if a method taking more time

I am recently started to create a c# code to obtain the details or familiarize web-specific controls. In that code, I am having an XPath finding scenario, which may or may not take time based on the ...
sonu_krishna's user avatar
0 votes
0 answers
55 views

Dialog box shown furtively when called at WPF application startup in App.xaml.cs

I've a problem when showing a dialog box in a WPF startup application in App.xaml.cs. I'm checking if another instance is running then if yes, I display a dialog box to the end user to inform him. ...
user avatar
1 vote
1 answer
2k views

Change Owner of Prism DialogWindow

I have implemented the new IDialogService in WPF using MVVM. My dialogs are working fine, for the exception that when I have another window open in the foreground, the dialog will appear in the center ...
Martin Pfeifhofer's user avatar
0 votes
0 answers
161 views

Modal dialog always misses first button tap after opening from double tap

I am displaying a modal dialog when the user double taps inside a TextBlock. Its a backdoor to a hidden settings panel. The TextBlock is contained in a Popup. I am finding that it is always necessary ...
Jerry's user avatar
  • 413
0 votes
0 answers
693 views

CefSharp in a window opened with ShowDialog doen't work

In WPF, I use CefSharp for WinForm that runs in a WindowsFormsHost in a Window. Everything works like charm when I display the Window using Show(). But if I use ShowDialog(), CefSharp seems not to ...
Thunderseb's user avatar
1 vote
1 answer
3k views

WPF MVVM - how to inject a service into the ViewModel

I'm fairly new to WPF and MVVM and I need to create a simple dialog feature that allows me to popup a confirmation message on the screen such as "Confirm delete?" with y/n buttons. I created a dialog ...
user2430797's user avatar
0 votes
0 answers
139 views

Prevent user interaction with modal dialog while automating UI?

I am automating a "save as" dialog through win32 API in a WPF project. The dialog is called internally from the IOleCommandTarget interface of InfoPath 2013. So I do not have access to how the save as ...
AMA's user avatar
  • 149
1 vote
0 answers
405 views

Disable minimize, maximize and close buttons of parent window when a modal dialog is shown on a WPF parent

I have a WPF parent window that opens a modal dialog with the ShowDialog method when a button is clicked on the view. The parent window is blocked as expected until interaction with the pop-up ends, ...
kemenesendre's user avatar
1 vote
0 answers
343 views

How can I hide a window WITHOUT Visibility property?

I have an application that has a lot of modal popup windows. Some are custom windows displayed with .ShowDialog(), other are generic message boxes using a 3rd party tool (DXMessageBox.Show(...)), and ...
Rachel's user avatar
  • 132k
1 vote
2 answers
2k views

Blocking launch of WPF Dialog from a different thread

We want to create and launch a modal dialog box over the main window. This process is initiated from a different thread - for some reason. This different thread calls the execute method - and must be ...
Zoltan Hernyak's user avatar
0 votes
1 answer
133 views

Is there a way to pass existing view model as a data context to recently opened dialog window, when using autofac?

I have a project, using Autofac. There is created a BootStrapper file that is called on application run: public class BootStrapper { public IContainer BootStrap() { ...
bakunet's user avatar
  • 197
0 votes
1 answer
260 views

WPF application with modal MainWindow

i am wondering if there are any drawbacks, in showing a modal mainwindow in a WPF application with .ShowDialog() instead of Show(). This is the usual way to manually show the mainwindow: private ...
Sebastian's user avatar
3 votes
0 answers
597 views

How to get current Modal window in WPF

In my project I have a Mainwindow. In that mainwindow there is a button to open the modal window. In that Modal window there is a button to open another modal window in the same view. I have used ...
Achu_L's user avatar
  • 175
1 vote
1 answer
741 views

Implementing ShowDialog which is work in the same thread

I am developing a WPF application and i want to show Dialogs in the active Window using a PopUp or a Different grid (by changing ZIndex in this grid). currently my solution works using Event and ...
RezaNoei's user avatar
  • 1,479
0 votes
0 answers
330 views

Simulating ShowDialog in WPF

I'm working on Dialogs in WPF. I want to implement a DialogCenter which is responsible to change Active Window and show my custom dialog. Here is my DialogCenter: internal static class ...
RezaNoei's user avatar
  • 1,479
0 votes
0 answers
104 views

modal window turned blurry with no apparent reason

I can't figure out why, but my modal window turned blurry. Have no idea of what is causing this and it's frustrating me at this point. I did not notice this (which i suppose i would have) at any time ...
TheBandolero's user avatar
0 votes
0 answers
19 views

wpf determine dialog show type? [duplicate]

I have a window in a WPF project that is used in a couple different places. Depending on the use I would like to be able to show it modal (ShowDialog()) or non modal (Show()). When a particular ...
sfaust's user avatar
  • 2,343
2 votes
6 answers
5k views

How to close modal window after a Task completes?

I have two default windows. I want one window starts a work, shows another window in the modal (dialog) form (progress indicating, but now it is not important), then closes it after this work has been ...
Alex34758's user avatar
  • 464
0 votes
1 answer
86 views

Textblock Text clears only on ShowDialog window is invoked WPF

I am trying to clear a TextBlock text which is inside a WPF window, before showing the Window as Dialog. But the Text on TextBlock shows the Previous Value for a second, and then gets cleared ...
Robin Purbia's user avatar
2 votes
1 answer
1k views

Restyling the WPF Extended Toolkit's ChildWindow

I have a modal dialog I am displaying using the WPF Extended Toolkit's ChildWindow but I don't like the default look of the window since it doesn't support System Colors correctly (it has a forced ...
Sphynx's user avatar
  • 155
4 votes
0 answers
873 views

Why is a Wait cursor being displayed for a modal dialog in wpf

I am launching a modal dialog from the MainWindow in a WPF application by doing something like this. SomeView view = new SomeView(); view.ShowDialog(); The Modal dialog contains a combo box inside ...
Sumit Agrahari's user avatar
0 votes
1 answer
201 views

Enable events in main windows while modal window is active

In a WPF window I implemented a component that gives an indication of all active errors in the system. The component is located in the task bar and If one hovers over the component a tool-tip is ...
GuyH's user avatar
  • 1
0 votes
2 answers
1k views

How to get the topmost window if it is modal and inactive

I want to prevent users to run my application multiple times on the same machine so I used a solution from this thread: What is the correct way to create a single-instance application? This works OK, ...
sventevit's user avatar
  • 4,816
0 votes
2 answers
2k views

C# - WPF modal window

Is it possible to switch or activate other windows when modal window is open? Window1 window = new Window1(); window.ShowDialog();
user avatar
1 vote
2 answers
2k views

How to show Spinning Modal in WPF

I have an application which contain below code in its MainWindow.xaml to show the spinning modal using FontAwesome icon: <Grid Visibility="{Binding SpinningModalVisibility}"> <...
chinh nguyen van's user avatar
4 votes
1 answer
1k views

WPF modal dialog on touch screen

I am using a custom modal dialog in a WPF application, that will run on a touch device (Windows 10). I am using the MVVM pattern. My problem: I experience different touch behavior depending on from ...
Stormbringer's user avatar
0 votes
1 answer
211 views

ShowInputAsync is not showed sometimes

I realized an interface in WPF Page and I want to call ShowInputAsync in the MainWindow, which is where the Page is. In order to do that, I raise event in Page and block function with AutoResetEvent: ...
Andrii's user avatar
  • 1
0 votes
1 answer
428 views

MVVM Dialogs and where to call them from?

Hoping that someone can help me further my understanding of Dialogs and how to apply them to the App I am working on (for learning purposes). Apologies in advance - I do not have a great working ...
Stephen Dougherty's user avatar
3 votes
2 answers
2k views

Separate project for view models to "enforce" MVVM: How do I open dialogs?

Opening dialogs while adhering to the MVVM pattern seems to be one of the regular questions (here and elsewhere). I know there are frameworks like MVVM light who have answers to that problem, but I'm ...
InvisiblePanda's user avatar
2 votes
1 answer
2k views

WPF modal window in Visual Studio Extension blocking input

Using the following tutorial, within a VSIX project, I created a WPF window that inherits from Microsoft.VisualStudio.PlatformUI.DialogWindow, and I display this modally using the following code: var ...
DrGriff's user avatar
  • 4,866
1 vote
1 answer
491 views

Make FloatingWindow modal

I am using the AvalonDock control to show my views as tabs. In some cases I want to open a new window instead. At the moment, I'm handling that in the LayoutInitializer: public void ...
mxdeluxe's user avatar
0 votes
1 answer
2k views

How to add 'Notification', 'Warning' and 'Error' icons on Prism 6.2 WPF modal dialog?

In my Prism 6.2 WPF MVVM application I use notification and confirmation modal dialogs. Below is a definition of the View of a notification modal dialog used in my application: <UserControl x:...
Prohor's user avatar
  • 151
0 votes
1 answer
349 views

Can I set text-wrapping mode for a long-text message to transfer the text to the next line in Prism 6.2. modal dialog?

Sometimes the text of notification message for modal dialog is very long as you can see on the figure below.This is not custom modal dialog but simple notification modal dialog which has a very long ...
Prohor's user avatar
  • 151
0 votes
4 answers
3k views

Close WPF dialog without user interaction

I would like to show dialog during some IO operations and after it, close the dialog with code. Something like: DialogWindow dialog = new DialogWindow(); dialog.ShowDialog(); .... do some file ...
Sk1X1's user avatar
  • 1,363
1 vote
1 answer
1k views

Can a dialog be modal across multiple windows in WPF?

I am working on a WPF application where multiple windows can be present at one time. The Windows are shown using the Dispatcher and thus each Window has its own UI Thread, according to the WPF ...
Allan B.'s user avatar
0 votes
1 answer
562 views

How do you make modal ProgressBar using C#/WPF?

I am aware that ShowDialog will let me have the modal behavior and progressBar.Visibility = System.Windows.Visibility.Visible; await Task.Run(action); progressBar.Visibility = System.Windows....
Shintaro Takechi's user avatar
1 vote
2 answers
357 views

WPF dialog blocking input after closing

I have a WPF window in a VSIX application that I show as follows: var myWindow = new MyWindow(this.CurrentWorkspace) { Owner = Application.Current.MainWindow }; myWindow .ShowDialog(); However, ...
DrGriff's user avatar
  • 4,866
2 votes
0 answers
679 views

Compatibility issue with Expression.Blend.Sdk 1.0.2 System.Windows.Interactivity.dll

I'm developing a WPF with Visual Studio 2015 Community, C#, .NET Framework 4.6.1 and Prism.Wpf 6.1.0, Prism.Core 6.1.0 and Expression.Blend.Sdk 1.0.2. I'm following: Implement a confirmation dialog ...
VansFannel's user avatar
  • 45.9k
1 vote
1 answer
3k views

C# WPF) how to minimize a parent window after child modal window is showed by showdialog()?

I've searched some posts on stackoverflow and some discussion concluded as there's no way to do this as it's standard behavior of WPF modal Window. Isn't there really a solution to minimize(control) ...
Kay Lee's user avatar
  • 952
0 votes
1 answer
430 views

Why does PopupWindowAction class sustain modal mode poorly for dialogs in Prism 6?

I use PopupWindowAction class for creation of modal dialog windows (customized and predefined) in my Prism 6 WPF modular application with Unity. (I have Windows 10 on my computer and use MS VS 2015 ...
Dr.Doog's user avatar
  • 197
0 votes
0 answers
394 views

Setting DialogResult is some cases raises exception

In my WPF application is some cases setting DialogResult = true raises an Exception telling that DialogResult cannot be set on unvisible window. Window is launched: Window.ShowDialog() Neither ...
iljon's user avatar
  • 408
1 vote
3 answers
6k views

WPF+PRISM How to make the popup window owner as main window

I am having trouble setting the owner of Popup window to Application Main window. Here what I did. Created a Main Window with custom PopupWindow. <Window x:Class="MainWindow" ... <...
ATati's user avatar
  • 43
5 votes
1 answer
3k views

How to change MahApps.Metro dialog style?

I would like to change the style of a message dialog. I used this: How to change MahApps.Metro dialog content template width? I want different styles for some dialogues. How can I change the style of ...
Benedikt's user avatar
  • 109
1 vote
2 answers
2k views

ProgressDialogController mahapps, problems closing popup

I am creating a WPF project using Mahapps Metro . My problem is that I would launch from DetailPage.xaml frame , which is embedded in MainWindow.xaml , the wait modal mahapps provides. So I did two ...
Mr. Developer's user avatar