All Questions
105,237
questions
0
votes
0
answers
15
views
What is the common way to handle CS8602 in a WPF RelayCommand?
If a nullable property gets used in the Execute part of a RelayCommand, and that property is already checked against null in the CanExecute method, what is the proper way to handle the CS8602: ...
- 1
0
votes
0
answers
9
views
Validation gets lost on tab change
I am using a tab control to group different input fields like text boxes. I am validating the user input of those text boxes via IDataErrorInfo in my view model.
Now, when the user input is not valid ...
- 30
0
votes
1
answer
11
views
Telerik UI WPF - How Can I Add a DocumentVariableField to a Table Cell Programmatically
We are using Telerik UI for WPF and are creating a table which then gets inserted into a RadRichTextBox. We need to add a DocumentVariableField to one of the cells, can anyone please advise.
...
- 425
-1
votes
1
answer
29
views
How does the `CalculateButton_Click` method validate and update `HourlyEmployee` and `CommissionEmployee` properties, and handle input errors? [closed]
I need to understand how the CalculateButton_Click method in my WPF application handles input validation and updates for HourlyEmployee and CommissionEmployee objects. Specifically, how does it check ...
-1
votes
0
answers
25
views
My WPF app is not displaying text correctly in some datagrids [closed]
This is the UI on a windows 10 machine
This is the UI on my IDE and other PCs
As you can see the text is missing and the context menu isn't openning
I tried reinstalling graphics drivers, updating ....
0
votes
1
answer
34
views
WPF Combobox Binding not updating
I have a WPF app with two comboboxes that represent production/mfg engineers assigned to a job, where CurrentEngNotice is the relevant job:
<TextBlock Text="Product Engineer:" Style="...
1
vote
0
answers
18
views
UserControl custom ItemsSource set not called [duplicate]
Reference: Custom ItemsSource property for a UserControl
I have a custom UserControl to display a set of aggregate data for the window it's contained in (a list of downloads). The basics of the ...
- 109
0
votes
1
answer
73
views
BeginInvoke behavior different in WPF and WinForms
I have an application I am working on in WPF. It uses a serial port connection. I have created a class that wraps the serial port connection and manages buffers, etc.
I developed it when writing a C# ...
- 55
0
votes
0
answers
29
views
Check Box failing to Visually update in WPF C# Xaml
I'm working on a program that will take an existing list and allow users to select an item individually or with a Select all Check box.
When the select all checkbox is ticket, there is no visual ...
- 79
0
votes
1
answer
21
views
How to send commands to the WPF application to show the Balloontips and System Tray Icons using IPC Named Pipes in c#?
I am trying to create a service with WPF where the service will communicate with WPF telling the WPF to display icon tray and ballontip.
I have designed the following codes:
App.xaml.cs
namespace ...
- 113
-1
votes
1
answer
51
views
How to Convert Images for i2c oled in C# [closed]
I have a C# WPF App and I want to add the function to select an icon or png and convert it, so it can be send as a string to an arduino. There I want to display the Image on a i2c oled Screen. There ...
-1
votes
1
answer
44
views
C# WPF Change Text Event From TextBox
i have a problem. I made a new class called "LetterBox" this class inherits from TextBox everything is working for now. But here comes the problem: I need the Event or Function that "...
- 23
-1
votes
1
answer
48
views
How can we create customized toggle button in wpf C# [closed]
I have been trying to create a customized toggle button in WPF and C#, But I'm not able to achieve it. Here is the Image which I want to look like :
Also it can has more than 2 options.
enter image ...
1
vote
1
answer
36
views
How to add 2 different models as child node in DevExpress WPF
I have this class:
public class Team
{
public int Id { get; set; }
public string Name { get; set; }
public ObservableCollection<Competency> Competencies { get; set; } = new ...
- 1,743
-3
votes
1
answer
63
views
How to implement multiple buttons with same behaviors? [I need advice] [closed]
I am learning WPF and MVVM, my goal is to create a serial communication using SerialPort and update the UI to inform user whats happening.
So program is communicating with cards(max 3) and each card ...
- 7