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0votes
0answers
22views
WPF strange freezing, related to ICommand.CanExecuteChanged?
My implementation of RelayCommand implements ICommand.CanExecuteChanged event like this: public event EventHandler CanExecuteChanged { add { ...
- 10.3k
0votes
0answers
35views
Dealing with Oxyplot.WPF on .net 8 [closed]
I keep getting this error on my WPF application. I installed OxyPLot.WPF version 2.1.0. Build started at 10:44 AM.1>------ Build started: Project: PAHAgri.Desktop, Configuration: Debug Any CPU ----...
3votes
0answers
80views
WPF Popup using Touch Input
I'd like to use a popup in an .NET WPF application.<Popup x:Name="MyPopup" TouchLeave="MyPopup_TouchLeave" IsOpen="True"> <Border Background="Blue"...
- 631
1vote
1answer
75views
XAML Avoid Repeating Column Definitions in DataGrid
Using WPF, I display golf results in a DataGrid. There are two rows per player in each DataGrid row, with 19 columns. The first row showing gross scores and the second row showing net scores.<?...
- 23
Advice
0votes
6replies
99views
Porting WPF to a faster rendering system
I made a WPF desktop application for Windows with C#, and when I basically finished it programming with a 1920x1200 pixel screen, I found out that the graphics rendering performance is way too slow on ...
- 119
-1votes
0answers
76views
I want my textboxes to only allow scanning in WPF
In a forms application, I did this. if (scanOnly) { if (int.TryParse(slowScanTimeS, out stdScanTime)) scanTime = Convert.ToInt32(slowScanTimeS); else scanTime = ...
2votes
2answers
228views
How to properly deal with IDisposable UserControl on XAML page
I have a user control that I did not write. The control's XAML has an object that has unmanaged resources. It creates Direct3D render targets and depth stencil surfaces and the like, and holds ...
- 7,226
Best practices
0votes
3replies
46views
In a VB.Net WPF XAML Project I want to Add a Property to a Usercontrol class and Inherit from that Class
In a VB.Net WPF XAML project, I want to add a Property to a UserControl class and inherit from that Class.I have tried the following:Public Class clsUcBase Inherits UserControl Private ...
- 11
1vote
0answers
94views
x:Name works differently than Name
Let's take an example from here "BindingGroup.Items Property"If you replace Name="bindingGroup" with x:Name=bindingGroup" in the example, then only one object will be ...
- 8,860
0votes
1answer
56views
How to adjust placement/alignment of menuitem popup in a menubar?
I have a WPF C# project in Visual Studio 2026 and I'm trying to get my menu bar's content to properly align. Currently, it's aligning like this:and I'd like it to align like this:.I've tried many ...
- 31
0votes
0answers
60views
CefSharp initialisation problem in my WPF project
I'm trying to develop an equivalent of a webview2 using CefSharp because I need backward compatibility for systems that do not support .NET 8/10. These are the steps I performed after creating a WPF ...
0votes
1answer
102views
WPF XAML Change Default Combobox Color
bonjour.I'm having trouble finding a solution to update the default backgroudn color (in gray) to another color. As for now I got so far (see linked screen capture) with the folowing code:<Style ...
3votes
1answer
151views
My WPF app suddenly crashes: Exception Info: System.NotImplementedException
In my WPF app I navigate from one sub view to another and then back. I've done this and so have other users in the past but today I got the strangest unhandled exception appear while I was navigating ...
- 789
1vote
3answers
226views
ICommand: disable-enable button during long process run with Task.Run()
WPF app using MVVM - this is my first time trying to use CanExecute of an ICommand, so please bear with me.A button is bound to a Command in the view model. When the button is clicked, it runs a long ...
- 753
1vote
0answers
60views
Why the submenu buttons inside a VSIX Extension are always disabled and how to correctly enable them, on VS2026?
I am creating a copilot like VSIX extension on VS2026 to use with my offline LLM server.I have created the dropdown menu button and submenu buttons (which seems to be always greyed out/disabled).I ...
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