Questions tagged as 'wpf'

Tagged questions
0
answers

Unable to create an instance of a user control in WPF

I am having problems (and instability) with the graphic interface in WPF, trying to incorporate controls gives me an error of "Object reference not established as an instance of an object". The call to the namespace is located at the beginning o...
asked by 20.12.2017 / 18:32
1
answer

How to copy "n" columns and "n" rows of excel to paste them into a datagridview with ClipBoard in C #?

My doubt arises since I try to paste the data of "n" columns and "n" rows. Since I'm trying with ClipBoard but it does not hit me the information I have in the clipboard. private void PegarBtn_Click(object sender, RoutedEventArgs e) {...
asked by 09.11.2017 / 17:19
0
answers

Separacion between the points of the axes

I have an application to show points of a table of values (x, y) in a polilinea , for this I use a canvas and a pointcollection My question is if I can make the separation between the points bigger I explain myself with...
asked by 29.10.2017 / 01:07
1
answer

How to add animation to my wpf controls with Material design?

Hello, Very Good Night, I have the following query I am working the interfaces of my project with WPF and Material Design in C# . My question is as follows How can I add animation to the controls that my form has and that it...
asked by 24.09.2017 / 09:32
1
answer

Play video with VLC wpf

I'm working with VLC to play videos in WPF I get the following error    An exception of type occurred   'System.ComponentModel.Win32Exception' on Vlc.DotNet.Core.Interops.dll   but it was not controlled in the user's code Additional informati...
asked by 18.10.2017 / 18:51
0
answers

Update Class values that have Bindig to TextBox in WPF

How about, I found a problem, I have textbox that have binding , but I realized that the value in the class is not updated until I click on the textbox , I mean that I shows the desired value but if I do not click on the te...
asked by 04.08.2017 / 20:52
1
answer

Convert java code to c #

Good morning. I have had a desktop application in java to convert it to WPF (c #). I do not know much about java but intuiting what it does, little by little I have managed to translate it except for a block of code. The code is as follows:...
asked by 24.08.2017 / 17:22
1
answer

Does PageCollectionView work differently in WPF with the ListCollectionView?

When I pass the ObservableCollection and I order it with Linq it does not work but if I pass it directly it works. In SilverLigth it worked passing the ordered list. Why is this? Silverlight code ListaAOrdenar = new ObservableColle...
asked by 28.07.2017 / 21:53
1
answer

Passing data from a DataGridView to Other in WPF

How about, I'm with an application and I want to pass the data from one DataGridView to another when I press a button and I also want to add a character of "+" or "-" when I press a button, I'm using the MVVM model in the project. I appreciat...
asked by 27.07.2017 / 19:58
0
answers

How to do Navigation User Control?

Hi, I'm doing a WPF application and I need a UserControl that allows me to show information and navigate between pages as shown below. I would like to know if there is one already done.     
asked by 10.07.2017 / 19:14