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Calcium: A Modular Application Toolset Leveraging PRISM – Part 2

by Daniel Vaughan

Calcium provides much of what one needs to rapidly build a multifaceted and sophisticated modular application. Includes a host of modules and services, and an infrastructure that is ready to use in your next application.

Multiplatform Avalonia .NET Framework Programming Basic Concepts in Easy Samples

by Nick Polyak

This article explains the most important and basic concepts of Avalonia WPF-like multiplatform UI package.

ListBox Styling (Part 3 - Additional Templates) in Expression Blend and Silverlight

by Alan Beasley

Explanation and examples of Additional Templates and Generated Content of a ListBox. Covering Layout, Transitions, and Animation.

Conceptual Children: A powerful new concept in WPF

by Dr. WPF

This article describes a new approach by which an element can remove its visual and logical relationships to its children while maintaining a conceptual parental relationship with those children.

Latest Articles

ChatGPT API in C# WPF / XAML / MVVM

by Peter Sun (247)

Implement ChatGPT API in C# WPF with GPT3.5-turbo

Xamarin Forms - Validations Made Simple

by Chandru BK

This article will assume you have basic knowledge of C# and Xamarin Forms and shows how to implement the Xamarin Form Validations using simple Data Annotations applied on the models.

Convert a Win32 Project to WinUI3 Automatically

by Michael Chourdakis

A set of tools to create a new VCXPROJ file automatically

Customizing ListBox for a Smooth Animated Navigation Bar in WPF

by vickyqu115

Control featuring design and animations specialized for mobile, but can be elegantly and structurally implemented using ListBox and Animation technologies available in WPF.

All Articles

XAML

<wpf question> how to remove the button glow effect and border

7 Sep 2014 by Member 10973822

Hello everyone, can someone help me with wpf buttonI want to remove the border and button glow effect.my button has an image background, it changes when the mouse hover but the button glows.here is the button code, I'm using visual studio 2010

<wpf question> how to remove the button glow effect and border

7 Sep 2014 by Jawad Shairf

you can simply override the default border brush to your own border brush

"\r" creating problem in textbox input

11 Sep 2013 by Naila Akbar

I've a textbox for input (numeric value) of 12 digits and on the basis of that number I add some data into datagrid. For the first time when I enter any number it works correctly, but after adding data to datagrid when I enter any new number to textbox, it only gets 11 digits. when I check it in...

"\r" creating problem in textbox input

13 Sep 2013 by Naila Akbar

Solution that I got to solve out my problem is..I catch textInputStart event and there I check that if textbox.text contains "\r" then make it empty and after that I assign it new input. Still I don't get the reason that why there remains "\r" when am assigning it string.empty but my problem...

'minValue' cannot be greater than maxValue error.

9 Oct 2013 by Glen Childs

Hello, I am trying to read in a text file (Words.txt) and then select a word out from the "Words.txt" file. However I am now receiving a 'minValue' cannot be greater than maxValue error.Can anyone help me with what I may have done wrong? My WordListHelper class:public class...

'minValue' cannot be greater than maxValue error.

9 Oct 2013 by lukeer

Looks like _wordList.Count equals zero.Are you sure that _wordlist is filled with all the data needed when you call GetWord()?

'minValue' cannot be greater than maxValue error.

9 Oct 2013 by phil.o

It seems _wordList is empty, so _wordList.Count - 1 = -1First of all since _wordList is declared at your class level you should not prefix its use with type in the ProjectFile() method: private async void ProjectFile() { var _Folder =...

'Pushasync is not supported globally on windows, please use a navigationpage.'

18 Mar 2021 by Muthu vj

hi in xamarin form i am facing this Error while clicking the button for navigating another page. can you help me on this how to fix the Error public partial class HomePage : ContentPage { public HomePage() { ...

'Silverlight.Canvas' does not contain a defenition for SetZIndex

9 Feb 2012 by vivekx2

the error occurs like 'Silverlight.Canvas' does not contain a defenition for SetZIndexmy code is given below:private void rectFirst_MouseLeftButtonDown(object sender, MouseButtonEventArgs e) { Canvas.SetZIndex(rectFirst, 2); Canvas.SetZIndex(rectSecond,...

'Silverlight.Canvas' does not contain a defenition for SetZIndex

9 Feb 2012 by Christian Graus

Here[^]. It looks like you set a ZIndex property, not call a method called 'SetZIndex'

.NET 3.5 SP1 StringFormat Binding Property Weirdness (A Rant)

17 Jun 2009 by Sacha Barber

This is a rant about .NET 3.5 SP1 StringFormat Binding Property

.NET Framework 3.0 Buffet

27 Dec 2006 by Anil Kr. Sharma

.NET Framework 3.0 primer.

.NET String Resources

19 Apr 2012 by Jani Giannoudis

Concepts and patterns for the handling of strings in multilingual applications.

10 Cool Buttons for Download in Expression Blend & Silverlight

13 Jul 2010 by Alan Beasley

The WC Door button, covering all the missing skills needed to create the buttons shown in my first tutorial. As well as all 10 buttons for download!

2 Data Grid on Form. In second binding doesn't work

5 Jan 2012 by Abbath1349

I posted two DataGrid on a form, but in the 2nd DataGrid binding does not work. The properties ItemsSource they show the same values. If one change in the second changes automatically. How do I make it work properly?

2 Data Grid on Form. In second binding doesn't work

5 Jan 2012 by Shmuel Zang

Did you validate that the properties that you want to bind to, realy exist in the DataContext. It's the first time I see properties which their names are in language other than English...

2 Data Grid on Form. In second binding doesn't work

6 Jan 2012 by Abbath1349

relevant code: private void themeSelector2_SelectionChanged(object sender, SelectionChangedEventArgs e) { try { if (myDataSet.Tables["Asks"]!=null) myDataSet.Tables["Asks"].Clear(); ...

3-D's of Windows 8.1 Store Background App

11 Mar 2014 by Prasanna Venkatesh . K

Writing a Windows store background app from the scratch

3-tier Silverlightarchitecture

19 Nov 2009 by kanni vasu

If any one has any demo project of 3-tier Silverlightarchitecture , Please give me. I am new to these Silverlight architecture. alredy created sliverlight enable wcf service like this i have one class rrf1 in that public class RRF1 { [DataMember] public List LocationList { get; se

3-tier Silverlightarchitecture

27 Nov 2009 by AspDotNetDev

You need to format your question better, or nobody is going to look at it and you will not get an answer.

3D Drawing using c#

6 Apr 2015 by QutaibaMustafa

Hi ^_^ I want to make a 3d painter using c#.First of all I want to display 3 panels - XY, XY and YZ Views. The user will paint what he wants in each panel. After that he will click on a button to combine the 3 views and get a 3d model from these panel. He also can render this model...

3D Drawing using c#

14 Apr 2015 by Gokulprasad05

Triangle FarPlaneDistance="100" LookDirection="-12,-11,-10" UpDirection="0,1,0" NearPlaneDistance="1" Position="11,10,9" FieldOfView="75" /> ...

3D effects in Windows Store App

2 Feb 2014 by AnobikDey

A description of how images and other controls can be rotated and used to give 3d Effect in Windows Store Apps

3D Face Viewer and Matcher

19 Mar 2022 by Yang Kok Wah

A tool to generate face images and animated gif files for different angles and lighting using only a single face image. Also includes Face Matcher using Microsoft Face API.

3D in XAML

20 Oct 2004 by Livid

A guide to using 3D tags in Mobiform and Longhorn XAML.

11 Jul 2008 by Seshi

State space search algorithms - implemented with C# .NET 3.0 WPF

artificial-intelligence

[C#] WPF checkbox treeview with templateselector

26 Jun 2018 by Member 13725613

Hi all, since a while im using the TreeViews with Checkboxes in WPF. I found a good solution here on this page: tps://www.codeproject.com/Articles/28306/Working-with-Checkboxes-in-the-WPF-TreeView However, I have problems to bring in a TemplateSelector correct into this code. I just want...

[Data Template Issue] Set Trigger to handle null Text.

28 Aug 2015 by Abhishek Kumar (here to help!!)

Hi,I've a data template for a datagrid cell

[How to] Listen to your DragEventArgs!

12 Apr 2017 by Dave “DWC” Curry

How to wire up drag+drop events through multiple objects.

[mediaelement] video exist but exception media file download failed

1 Mar 2016 by Luiey Ichigo

Hi all,I have a problem on client kiosk. On my laptop, when the program is run, a greeting's video will appear and play (if file is exist on App_Startup).Currently on client's kiosk, the video is exist but media is not play instead on MediaOpened, it goes to MediaFailed with exception...

[Performance tips] Use the system shadows instead of your own

22 Sep 2010 by jmix90

A fast and easy tip about shadows and performance

[Solve]]WPF Toolkit Grid Control issue

5 Jan 2011 by Khaniya

EditI found solution It was issue of WPFToolkit version I just update version and problem solvedoneThanks for reading my questionif I set Grid's SelectioMode Property to Single and set Width property of all columns then header is not look proper. Height of each header...

[Solve]]WPF Toolkit Grid Control issue

25 Dec 2010 by Abhinav S

Maybe you could try setting a margin on each of the column headers.

[SOLVED] how to get and use the value of a combobox

17 Nov 2020 by Richard Deeming

Passing Parameters - C# Programming Guide | Microsoft Docs[^] For example: class OutputFile { public void ShowComboBoxValue(string selectedValue) { Console.WriteLine("Selected value is: {0}", selectedValue); } } private...

[SOLVED] how to get and use the value of a combobox

20 Nov 2020 by Member 14995619

Thank you, but got it today. The issue was mainly two things. (1) The CoboBox was not tied into an event. Ended up doubleclicking the ComoBox on the XAML design page, which created an event tied to the box, at the very bottom of...

[SOLVED] how to get and use the value of a combobox

21 Nov 2020 by Member 14995619

GOAL: I have a GUI and a combo box with four values. I am attempting to get the selected amount and have it print to a file with an associated colour. For example: if "ABC" is selected, then in a file, "Value and Assigned Color ABC red" is...

[Solved]IEditableCollectionView :: How to edit/Update and Delete rows from collection view

6 Mar 2011 by TweakBird

Hi All,'IEditableCollectionView' is A good concept to deals with data adding and removing new items, as well as editing items in a transactional way to bind WPF Data Grid.Can you help me..How to implement it for WPF Data Grid ?My Requirement : I have multiple WPF Data Grid's with...

[Solved]IEditableCollectionView :: How to edit/Update and Delete rows from collection view

22 Feb 2011 by cp.soni

Plese see following link, http://blogs.msdn.com/b/vinsibal/archive/2008/05/20/wpf-3-5-sp1-feature-ieditablecollectionview.aspx[^]This may help in giving some hint. Not sure if you have already gone thru with that.Edit : Provided the correct link.

[UWP, C#] account name not appear

7 Apr 2016 by Luiey Ichigo

Hi,I'm having problem to appearing the account user name. Can someone specify what's problem that I'm facing right now? Just first day of UWP and C#.XAML:

[UWP] how to disable ctrl key while zooming in scrollviewer

23 Jun 2020 by Duong Dieu Phap

Hi, I'm using ScrollViewer UWP control to zoom an image, I manage to set ZoomMode="Enabled" to enable the zooming function. But the problem is, it only works by holding Ctrl key and mouse wheel! Is there any way to just using mouse wheel? Or...

[Uwp] Make a Resizable Splitview

27 Sep 2018 by Georgeutc

A very simple Resizable SplitView

[UWP] my list view in side the splitview is not scrolling.

14 Jul 2016 by Mohan Rajesh Komatlapalli

my list view inside the split view is not scrolling.

[UWP] my list view in side the splitview is not scrolling.

14 Jul 2016 by Mohan Rajesh Komatlapalli

I had modified the Code Snip as below, Placed a ScrollViewer inside the SplitView.Pane and Modified the Margin values.Code for Windows 10 PC App ...

[VS2015]: Error with designer when Localizing an Application

8 Sep 2015 by LLLLGGGG

Hi everybody,I have Visual Studio 2015 and I've just followed this[^] tutorial in order to learn how to localize a WPF application correctly. Everything works fantastically, but in Visual Studio I get a strange error. Here's a screenshot.Despite that, everything compiles well and...

[W8.1]How to vertically center the text in a XALM TextBox?

21 Aug 2015 by Dr Miroslav Stimac

Hello,I am developing an universal Windows 8.1 App, primary for Windows Phone 8.1. There are different screen sizes and resolutions of Windows Phone 8.1 smartphones, so I am scaling the controls (TextBoxes, Images, Buttons etc.) automatically by using Grids. This works great!I am using...

[W8.1]How to vertically center the text in a XALM TextBox?

21 Aug 2015 by Sergey Alexandrovich Kryukov

Please see my comment to the question. So, maybe all you need is to use Padding with Thickness in device-independent units. Please see: https://msdn.microsoft.com/en-us/library/system.windows.controls.textblock.padding%28v=vs.110%29.aspx[^].For some background on device-independent pixels,...

[WP 8.1 Universal] Error when calling a Usercontrol Page in .xaml page

27 Dec 2015 by Mohan Rajesh Komatlapalli

Iam getting this error "The text associated with this error code could not be found.Failed to create a '%1' from the text '%0'. [Line: 45 Position: 44]"StackTrace of Exception is at Windows.UI.Xaml.Application.LoadComponent(Object component, Uri resourceLocator,...

[WP 8.1 Universal] Error when calling a Usercontrol Page in .xaml page

27 Dec 2015 by Kornfeld Eliyahu Peter

I think the problem is the way LART defined...it should bexmlns:LART="clr-namespace:OnlineVideos.UserControls"insteade ofxmlns:LART="using:OnlineVideos.UserControls"How to: Import a Namespace into XAML[^]

[WPF] Place variable to xaml

24 Apr 2015 by Luiey Ichigo

Hi all,How to put a variable on XAML? A variable which retrieve from the module(modGlobalVar.vb) and place it on XAML?Because I want to put it on rectangle imagesource path. Sample:-

[WPF] Place variable to xaml

25 Apr 2015 by Sergey Alexandrovich Kryukov

All wrong. You don't understand how XAML is used. You don't modify XAML used to define you UI, it is not a runtime object.Here is what happens. During build, XAML (not all XAML, perhaps; I mean just the XAML you used to define your dictionaries, user controls, windows, and so on) is compiled...

[WPF] Style is not applied correctly to any button in a stackpanel

18 Jun 2014 by LLLLGGGG

Hi everybody,I have made this in a resource dictionary istantiated in app.xaml:and in a page loaded in a frame inside a window (I put this code inside a...

[WPF] Style is not applied correctly to any button in a stackpanel

16 Jun 2014 by ashok rathod

I think problem is with 1.You can use DynamicResource instead of StaticResource.2.Double Quotes is missing so u can put double quotes at the end of Statement and can make TargetType="Button" 3.After doing all above you can clean your solution.Rebuild your solution and can then...

[WPF] Style is not applied correctly to any button in a stackpanel

16 Jun 2014 by ashok rathod

I think problem is withshould havebecause it might be the case that MainButton style is not available at runtimeYou can also try...

A "little snake" leads us through the most important features of the Windows Phone 7

29 Jan 2011 by 69Icaro

Analyzing the Snake game, we'll study an application for the new Windows Phone 7 platform, focusing on localization, Inversion of Control, navigation, transition effects, triggers, Isolated Storage, audio and we'll also use Blend to create a rounded glowing button, and other things...

Windows-Phone-7

A back button in xaml & C#

23 Mar 2017 by Member 13075342

Okay, so I have been learning Xaml and C# for a little now. I designed a application using some basic navigation however I've stumbled into a problem. So for instance I created different dashboards for different types of users. Those only have access to certain pages. Here is an example:I...

A back button in xaml & C#

23 Mar 2017 by Graeme_Grant

There is no way in WPF Navigation to look at the Back Stack of pages. You have a number of different choices. Here are two off the top of my head:1. Clear history when "User B" logs in: public void ClearHistory() { if (!this.Frame.CanGoBack && !this.Frame.CanGoForward) { ...

A Beginner's Guide to Silverlight

11 Dec 2011 by Raj Lal

Chapter 11 of "Fun with Silverlight 4" More information at http://silverlightfun.com

web_development

A better panel for data binding to a WrapPanel in WPF

18 Jan 2009 by adam.cataldo

An article on a useful extension to the WrapPanel control.

A Better Way to Share Image Assets in Xamarin Forms

13 Nov 2014 by Daniel Vaughan

Learn how to combine T4 and a custom markup extension to share and consume image files between projects.

A better WPF-Browser-Control (IE-Wrapper)

16 Aug 2013 by Robert Köpferl

This article provides a better browser control than the one included in WPF

A bit of binding - MVVM'ing bytes/bits based data

12 Oct 2012 by ntg123

Different approaches for implementing MVVM over byte/bit based data.

A C# 3D Surface Plot Control

19 Feb 2021 by Leif Simon Goodwin

A 3D surface plot control in C#

A Chained Property Observer

8 Mar 2011 by Sacha Barber

Set of utility classes to observe a chain of INotifyPropertyChanged objects.

A ContentDialog in a WPF Desktop Application

24 Feb 2017 by Dirk Bahle

In a dialog with WPF

A Custom WPF Carousel Control

21 Nov 2019 by Leif Simon Goodwin

This article presents a simple WPF Carousel Control

A Custom WPF ScrollViewer

7 Dec 2018 by Dirk Bahle

Making better use of the available UI space.

A Customizable WPF MessageBox

31 May 2011 by Arik Poznanski

A Customizable WPF MessageBox

A Developer's First Look at Visual Studio 2010

19 Sep 2009 by jebarson

New features of Visual Studio 2010 discussed

A Drag and Drop ListLauncher with fold-able Groups

3 Mar 2017 by wim4you

Launch additionally a limited number of hand picked Programs, Documents or Folders from the taskbar

A dynamic Rehosted Workflow Designer for WF 4

29 Jul 2012 by Winfried Ripken

This article presents a framework allowing you to integrate the workflow designer more easily in your own applications

A Foldable Content Control for UWP

8 Jan 2017 by Nuwan Karunarathna

This a foldable content control for UWP platform.

A Gallery of Useful Programming Books

19 Jul 2014 by B. Clay Shannon

A list of useful programming books, some general, some platform- or language-specific

A Glass Orb Button in Silverlight

31 Mar 2009 by Timmy Kokke

A detailed walkthrough on how to style a basic Silverlight button into a "Glass Orb" button.

A Guided Tour of WPF – Part 1 (XAML)

19 Apr 2007 by Josh Smith

A guided tour of the Windows Presentation Foundation, one feature at a time.

A Guided Tour of WPF – Part 2 (Layout)

4 Apr 2007 by Josh Smith

A guided tour of the Windows Presentation Foundation, one feature at a time.

A Guided Tour of WPF – Part 3 (Data binding)

4 Apr 2007 by Josh Smith

A guided tour of the Windows Presentation Foundation, one feature at a time.

A Guided Tour of WPF – Part 4 (Data templates and triggers)

7 Apr 2007 by Josh Smith

A guided tour of the Windows Presentation Foundation, one feature at a time.

A Guided Tour of WPF – Part 5 (Styles)

13 Apr 2007 by Josh Smith

A guided tour of the Windows Presentation Foundation, one feature at a time.

A Help Infrastructure For WinRT Phones and Apps

1 Sep 2015 by David Maw

A way to embed help pages within a Windows RT or Phone program

Windows-Phone-8

A Highlightable WPF/MVVM TextBlock in C#/VB.Net

22 Jan 2018 by Dirk Bahle

Implementing text highlighting in a WPF TextBlock control with MVVM

A Jump Start to the World of WPF

21 Jun 2008 by mariocatch

Basic concepts ranging from XAML layout, to C#->XAML communication and databinding.

A master-detail view with Entity Framework

22 Jul 2016 by Mohamed Kalmoua

In this article, I will create a master-detail view using the Entity Framework.

A Media Player Control for WPF that can Play Almost Any Media

18 Feb 2020 by webmaster442

A Media player control for WPF, based on MPV player that can play almost any media file.

A MIME Message Viewing Library in WPF

31 Jul 2012 by Shuqian Ying

The source code and a simple demo program for a plug-in in Microsoft Managed Extensibility Framework (MEF) that provides visual display of email messages.

A Moan About ImageBrush In WPF

17 Jun 2009 by Sacha Barber

ImageBrush in WPF

A More Flexible and Secure Method to Configure Silverlight Applications Using the Web.config File from ASP.NET

3 Feb 2010 by Dr. Song Li

This article introduces a more flexible and secure method to configure Silverlight applications using the Web.config file from the ASP.NET host application.

A more generic way of sorting a WPF ListView with IComparer

24 May 2008 by wpfdevelopment.com

An easy way of sorting the WPF ListView with a generic method.

A Multi-Select Control for Flags Enums in WPF

18 Jan 2021 by John Whitmire

A customizable way to set enum flags

A Multilingual Silverlight Virtual Keyboard

10 Jul 2009 by Andrius Mudinas

A multilingual Silverlight virtual keyboard.

A n-level Nested Directory Tree WPF Demo

15 May 2015 by Lộc Nguyễn

Example of data binding for nested tree structure, and MVVM pattern.

A nice approach for a LOB WPF application

22 Feb 2009 by Raul Mainardi Neto

An implementation of the MVVM Patterns + CommandModel within a WPF LOB application.

A Pendulum and its Corresponding Oscillations Shown in WPF

4 Nov 2010 by logicchild

An article that illustrates how to simulate a pendulum.

A Pluggable Architecture for Building Silverlight Applications with MVVM

6 Jul 2011 by Weidong Shen

This article describes building a sample Silverlight application with the MVVM Light toolkit, WCF RIA Services, and a pluggable application architecture using MEF.

A plugin for Picasa and .NET 3.5

4 Apr 2013 by Michael Mann (mann.DEV)

Plugin migration with new features of .NET 3.5.

A post about Silverlight Focusing Issue

22 Feb 2011 by İlkay İlknur

Silverlight Focusing Issue

A Potentially Informative Article about the WPF Engine

4 Nov 2010 by logicchild

An article that describes WPF for the beginner and provides some tips for the intermediate.

A question about Style in XAML

20 Jul 2012 by hzawary

Hi everybodyHow can set Margin property to a number, for example 10 with global Style to controls has created in window under xaml code?I tried this, but get error... ...