Category "wpf"

In my WPF control, can I hide the validation control based on the size of the adorned element's row?

I have a user control with many sub controls within a grid. Since there are many controls per row, I'm controlling the visibility of the controls by setting the

DataGrid SelectionChanged event firing when scrolling

I am trying to implement a behavior to allow my DataGrid to move to a newly added row at the bottom of the DataGrid. I have buttons that add/remove items from

ObservableCollection / Queue

I am making a file transfer program. The user can add as many file transfers (both download/upload), and those will go in FIFO order. The first choice would be

DispatcherHelper in Windows Community Toolkit

I am working on upgrading MVVMLight to Windows Community Toolkit and facing issues with DispatcherHelper. I am unable to find any examples which can show me how

Best way to determine if a user can view a window

How can I determine if a user can see a window (fully or partially) at the screen using WPF/C#? I tried to define this using WindowState, but the window may be

Cannot find governing FrameworkElement, Yet it works like intended (WPF)

I have a binding that gives me an error, yet everything works exactly like it should. I have a Custom Control with it's style/template in "Generic.xaml", in the

Make RichTextBox automatically scroll to bottom when content is added

I have a WPF UserControl with a BindableRichTextBox: xmlns:controls="clr-namespace:SysadminsLV.WPF.OfficeTheme.Controls;assembly=Wpf.OfficeTheme" . . . <cont

Custom Tooltip on LineChart (lvChart)

I closely follow step-by-step lvChart Customizing Tooltips in trying to build a custom tooltip for LineChart points. But I get empty tooltip content. Other than

I want to change color of mark on axis in WPF chart

I tried to change color of marks on axis (small lines near numbers), but it didn't change them, instead they just disappear. Here is what I've tried: <DVC:Ch

WPF - Problem showing a symbol from a custom font

I have a custom font. The font contains symbols at specific addresses. I want to display one of the symbols in a TextBlock. The font (ttf-file) is located in my

How can I integrate toast notifications in WPF app?

I wanted to add toast notifications to my wpf app. I've followed the Send a local toast notification from desktop C# apps from Microsoft, but I'm stuck on the s

C# Windows Messages in Console Application?

I need to use IPC to receive messages from another process. Currently I am using WPF application to receive messages using WindowsMessages but I am wondering if

Add/Delete Item in real-time from ListView (C# MVVM WPF)

I have a ListView with an ObservableCollection. The class User has a List with Groups. I have another ListView which shows the Groups of the selected User. Now

WPF bind list box Selected item into textbox

I'm trying to put any selected item's name in my list box in the textbox next to it. But I've got trouble doing so. Here's a little bit of my code: <Doc

Adding launch conditions to Microsoft Visual Studio Installer Projects (check app is running)

I'm using Microsoft Visual Studio Installer Projects for my Hybrid Widndows Forms/WPF project. I need to make sure the user has closed the Application (an older

CanExecute works only partial

I am working on a WPF .NET 5 application that needs to handle a longer task using a button command. Until the task is done, the button should be disabled. I am

WPF app with embedded WebView2 suddenly shuts down without any visible exception when opening Oookii save file dialog

I'm trying to use an embedded WebView2 control in my WPF application, and open an Ookii VistaSaveFileDialog in response to communication from the webview. Howev

Force WPF BitmapImage to reload from its UriSource

I am trying to build a custom control, based on Image, which simply makes the image reload (from the same URI) on a timer. The original image is displaying fine

Get windows 10 default like icons

I'm currently building a wpf application and am looking for a "generic" looking set of icons like they are used in windows explorer, they can be something betwe

WPF Change Visibility during design-time

My CustomControls UI element Visibility is bound through a BoolToVisibilityConverter, see code below : <cc:CustomFFU LabelText="FFUZoneF_2-1" HorizontalAlig