DispatcherTimer IsEnabled is returning true but alarm event not called
Background: As I understand it, DispatcherTimer's Start method resets the timer's interval and thus restarts the alarm time when called so when I wrote a DispatcherTimer wrapper class I explicitly...
View ArticleWPF datagrid selection and selecteditem binding
Hi, I am not sure if I have enabled the selection mode, but I do have set selectionmode = single. But the selecteditem binding returns null every time. <DataGrid x:Name="dataGrid" Grid.Column="1"...
View ArticleHow do I refresh the ItemsSource for a ComboBox during runtime after adding a...
I have posted multiple questions here as I have struggled through the stages of developing this software.My application has two windows(using WPF and C# in Visual Studio 2015).The first window...
View ArticleScrollBar for Canvas as Container
Hi,I have a master canvas which accepts any images and shapes.When a rectangle is added into this master canvas i am creating a child canvas inside rectangle to hold any objects inside rectangle.So,...
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Adornor - ArrangeOverride() is not called for Line when line is moved out of...
Hi,i am facing problem when moving line object using arrow keys.ArrangeOverride() method of Adornor is called when the line is inside its parent rectangle. But when the line goes out of parent...
View Articleusing svg in wpf controll
hello comrade - please help how to use svg image for animating wpf controll ?tnx very much
View ArticleDisplaying Recursive Data in a Treeview
I have a table in my SQL Server database which has two columns: HID: a hierarchyid Name: a string In my application I have a Node class that just has those two properties. I import the data into Node...
View ArticleNow that Microsoft is on a trend to release Open Source software, is there a...
First with .NET core, now I notice they even release some Visual Studio code editors for the Mac and Linux. I know it's hard to implement WPF on everything because of the Direct3D code, but I wonder if...
View ArticleWPF MediaKit: MediaUriElement playing a streaming properly, but...
Hi,I have a UserControl containing a WPFMediaKit:MediaUriElement, playing properly a video streaming, received from network, visible, and everything seems to be working fine.When I wanted to add Input...
View ArticleHow do i make 2 or more window sharing the countdown timer?
This is my code so far:Main Window:private int time = 5; //5 second DispatcherTimer timer = new DispatcherTimer(); public MainWindow{ InitializeComponent(); timer.Interval = new TimeSpan (0,0,1);...
View ArticleWPF app and dispatcher: Issue with making UI responsive
Hello, I've a C#/WPF app in which I'm using a Webbrowser control. I'm trying to set the value of DocumentPath from within my view model using Dispatcher. But my UI gets becomes unresponsive until the...
View ArticleProperty change event not triggered for enum type while binding in MVVM
Hi,I have created simple MVVM sample with two buttons named "Width" (enumeration binding) and "150" (integer binding) in WPF. The "150" button is properly triggered the ZoomPropertyChanged in...
View ArticlePropertychange event not triggered for enum type in MVVM binding
Hi,I have created simple MVVM sample with two buttons named "Width" (enumeration binding) and "150" (integer binding) in WPF. The "150" button is properly triggered the ZoomPropertyChanged in...
View ArticleListbox inside tabcontrol IsSynchronizedWithCurrentItem issue
I have a TabControl that has tabs for certain nodes of my XML. In each tab there is a ListBox with other items loaded from XML. Next part of the window is taken by stackpanel that has textboxes inside...
View ArticleRendering the contents of file stream
I have a file Stream object and want to render the content of that file Stream object opening it. What's the best approach to do that?
View ArticleBinding
I have codepublic class Pipe {public Mounting Mounting { get; set; }} public class Mounting { public float Diametr { get; set; }} var pipe = (Pipe)item.Value; var binding = new Binding();...
View ArticleHow do you write to a specific field in a TreeView in C#?
I have a TreeView:<TreeView Name="OOB"<!-- etc., -->And I know which item was clicked on: selectedNode = ((XmlNode)treeViewItem.Header);The TreeView is built from this XML file:<?xml...
View ArticleReference to control in DP is not set
I have the following problem. The application does not really matter it is the method of getting a reference to an array of controls that is set in the XAML. The code I am showing is not the actual...
View ArticleWPF MVVM display selected data from one datagrid in one view to another...
Hi, I am new to WPF MVVM, how should I display selected data from one datagrid in one view to another datagrid in the new view?
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Want to be the Microsoft TechNet Windows Presentation Foundation Guru for...
February 2017 Guru, it’s time to share great skills as a TechNet Wiki article and WIN medal(s). Medals? Yes, you can share multiple articles in the same or different categories! Now, navigate to...
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