Questions tagged [wpf]
Windows Presentation Foundation, or WPF, is a subsystem for rendering user interfaces in Windows-based applications.
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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: ...
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WPF Multibiding how to enter ElementName when the target element is in a different UserControl
In my WPF Window i have button with command
<Button.CommandParameter>
<MultiBinding Converter="{converters:Converter_MultipleCommandParameters}">
<...
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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 ...
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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.
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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 ...
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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 ....
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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="...
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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 ...
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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# ...
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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 ...
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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 ...
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Textbox User Control with custom property to binding not working [duplicate]
I have a user control made up of a TextBox "txtClientCode" inside a stack panel control and it has a property called Value
public string Value
{
get { return (string)GetValue(...
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program C# application winForm and wpf on windows embedded
My company considers working on a windows embedded operating system. i already have applications developed in winform wpf, is it possible to execute theme in windows embedded operating system?
If not ...
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How to get an event when user resize WPF DataGrid column by mouse
How to get an event for column resize invoked by user interaction (mouse left button + mouse move).
I tried SizeChanged event, but it is triggered also when new items are added to the DataGrid (with ...
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Positioning many child windows
So, im having an app, where i have to create lots of windows and this windows i use to render in them, so i have to create another window that acts like an overlay. Here is what im doing to set them ...
