.NET

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WPF Binding multiple usercontrol to one viewmodel

My program is basicly a truck diary. I have a main page that is set up like a diary with days of the week listed. In them days of the week I have a custom control called TripUI which is setup in a listview and bound to a ObservableCollection from my…

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Shaban Mehmet 1

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Peter Fleischer (former MVP) 19,311

2 answers

How do i get back a listbox item after a window closes in C# WPF

I have 1 Listbox it takes items from TextBox, when an item is added to the listbox and the application is closed, upon opening the application the item added to the listbox will still be present. Use case: User opens application. User adds item…

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Sahana M 1

commented

Alex Li-MSFT 1,096

3 answers

[C#7.0 - WPF] - RichTextBox in a DataGridTemplateColumn with binding

Hi, I'm getting crazy about a RichTextBox to insert and bind to a DataGridTemplateColumn. I have As you can see, in a cell of the DataGridTemplateColumn I have four lines and what I would like is to have these lines colored in different…

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BlackSun 21

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BlackSun 21

0 answers

WPF : Cursor not visible in text box first position in RightToLeft flow direction

Hi, I have tried to remove all margin value in TextBox by accessing inner element and set Margin as 0. With this value cursor not visible in RightToLeft direction first place. But working fine in LeftToRight direction. LeftToRight: RightToLeft: You…

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Muneesh Kumar 1

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Alex Li-MSFT 1,096

1 answer

How to reduce the size of a MSIX .Net Core 3.1 installation?

I have a WPF/.Net Core 3.1 app that I'm packaging as an MSIX for submission to the Store. If I publish the app as a sideloading .msixbundle then install it, the resulting directory is WindowsApps is huge. I assume that's all of .Net Core. But most of the…

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Chuck Bohling 346

answered

Lex Li (Microsoft) 5,237 Microsoft Employee

0 answers

Is there any UWP API/way available to detect/prevent hooking?

There are many tools available to do hooking eg: frida 29.html. But i didn't find any API or way to detect hooking . Is there any API or way to detect hooking in Universal Windows Platform(UWP)? If yes, can it detect all kinds of…

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Rahul K 51

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Richard Zhang-MSFT 6,936

2 answers

Issues using ResourceDictionary in a C# class library

I'm having trouble with reusing styles for WPF/XAML in my project. Just to give you some context. I am making a plugin for Revit, architectural/3D/CAD software used by many architects/contractors worldwide. To make a plugin for Revit, the Revit API…

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Martijn van gils 1

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Martijn van gils 1

1 answer

ObjectAnimationUsingKeyFrames. Is it possible Canvases usage instead of Images?

Hello everyone, I'm currently using Storyboard type based on Image replacement. The code is below. It works fine, however there's a question arisen. Is there a way to replace images with canvases? Simple I failed to find such a variant in the Web. …

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cron kropjc 41

commented

Alex Li-MSFT 1,096

3 answers

I have a problem with 'NoteViewer' in XML。

Dear sir, I managed to create a sample mentioned here with WPF App and Blank App (Universal Windows) http://musicengravingcontrols.com/en-US/Articles/Display?id=2 However, I have a problem here. Error Lists say "Unknown type…

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寛明水崎 1

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寛明水崎 1

1 answer

Interaction DataTrigger doesn't work. Could anyone test this example. Perhaps I'm doing something wrong.

Hello everyone, here's a simplest code the purpose of which is animation launching from ViewModel. Some people claim that it is working code. There are not any mistakes. exceptions and it doesn't work. Could anyone test this example. perhaps I'm…

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cron kropjc 41

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cron kropjc 41

1 answer

Is knowing Screen lock status from UWP app possible?

When my Universal Windows Platform(UWP) app is open and user locked the screen i want to know that screen is locked i.e., status of the screen lock. When the screen is locked the 'OnSuspending' method of App.xaml.cs will be fired. Now whatever the…

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Rahul K 51

accepted

Rahul K 51

2 answers

Drag, Cling, Dock a dialog

Hi, I am working on a WPF project where I will launch a new dialog inside a Window. User should be able to drag this dialog box to the edge of the window and if it is close enough, it should cling on to that side of the window like docking. User can…

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Vijay Kamat 1

commented

Alex Li-MSFT 1,096

4 answers

Need help writing a UserControl

I trying to create a UserControl that will be added a variable number of times to a wpf window at run-time. This is my first attempt at a UserControl. I have two requirements for this UserControl: The content of the label is to be defined at…

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RogerSchlueter-7899 1,256

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RogerSchlueter-7899 1,256

2 answers

Need to focus the grid which placed inside the Scroll Viewer on Mouse Click

Problem 1: I need to focus the Grid(UI Element) when it is placed inside the Scroll viewer. Code: <ScrollViewer> <Grid x:Name="RootGrid"> <Border Height="24" …

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Magesh Sankar 36

accepted

Magesh Sankar 36

1 answer

how to customize charts in WPF? (using System.Windows.Controls.DataVisualization.Charting)

i am working on LineSeries Chart . i want to have following customizations 1) the Box in which legends are shown i wan to remove it , as i have single series i dont want legends and box. in my case an empty box is there. please refer the image 2) how…

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Aniket Khot 1

answered

Alex Li-MSFT 1,096

2 answers

WPF IValueconverter is Not Firing When Click the radio button

Here is my xaml below. The DisplayUnitConverter is not firing when I click the radio buttons. Can someone assist me to see what I am doing wrong? I have initialize the Element name in the SpinEdit control to the Radio Control name. <Window…

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pianoboy11 1

answered

Peter Fleischer (former MVP) 19,311

1 answer

How to maintain two slightly different XAML for two projects?

I have two projects in my hands that are used in different scenarios. There are many XAML pages in these two projects, and some of page in one project is copied from another project(old version) and modified namespace, added some new things. Now I am…

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Flithor 196

answered

Rod At Work 866

1 answer

WPF - Auto width for FlowDocument's content

Hello, I'm having a hard time trying to make a RichTextBox's content in my app auto-sized. Specifically, I want the content inside my RichTextBox to be of automatic width (with a MaxWidth boundary), and Wrap when the width exceeds the available space. …

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Nicolás Bosi 1

answered

Alex Li-MSFT 1,096

1 answer

Why this error when doing an image conversion

I am trying to convert a BitmapImage to a Byte() with the following code: Dim ic As New ImageConverter Dim bts() As Byte = DirectCast(ic.ConvertTo(clsImage, GetType(Byte())), Byte()) The error message I get is: > Unable to cast object of type…

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RogerSchlueter-7899 1,256

accepted

RogerSchlueter-7899 1,256

1 answer

XAML > Binding SelectedValue to a concatenation of 2 properties

Hi, I've a Person class public class Person { public string location; public string name; ... } ...and a list of Person List<Person> list1 = new List<Person>() { new Person() { location = "Chicago", name =…

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JM Deb 1

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Peter Fleischer (former MVP) 19,311

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24,878 questions with .NET-related tags

WPF Binding multiple usercontrol to one viewmodel

How do i get back a listbox item after a window closes in C# WPF

[C#7.0 - WPF] - RichTextBox in a DataGridTemplateColumn with binding

WPF : Cursor not visible in text box first position in RightToLeft flow direction

How to reduce the size of a MSIX .Net Core 3.1 installation?

Is there any UWP API/way available to detect/prevent hooking?

Issues using ResourceDictionary in a C# class library

ObjectAnimationUsingKeyFrames. Is it possible Canvases usage instead of Images?

I have a problem with 'NoteViewer' in XML。

Interaction DataTrigger doesn't work. Could anyone test this example. Perhaps I'm doing something wrong.

Is knowing Screen lock status from UWP app possible?

Drag, Cling, Dock a dialog

Need help writing a UserControl

Need to focus the grid which placed inside the Scroll Viewer on Mouse Click

how to customize charts in WPF? (using System.Windows.Controls.DataVisualization.Charting)

WPF IValueconverter is Not Firing When Click the radio button

How to maintain two slightly different XAML for two projects?

WPF - Auto width for FlowDocument's content

Why this error when doing an image conversion

XAML > Binding SelectedValue to a concatenation of 2 properties