Yet another blog about WPF, Surface, SL, MVVM, NUI.... - Tag - XAML

Amazing WPF Controls / JetPack Theme updated !

2011-06-13T13:56:00+02:00

Hello, I have updated my previously introduced control library on codeplex. I received a lot of comments because the jetPack theme was not working fine bacause of some animation. It is now fixed and I want to thank everyone for the feedback !__ Here are the list of the available updates: JetPack Theme is now building and working fine at... Read Amazing WPF Controls / JetPack Theme updated !

How to create an hand writing to text control (ink recognizer)

2010-10-25T00:01:00+02:00

When building a (multi)touch application you may need one nice feature : translate hand-written text to real words. This open a whole new world full of possibilities like starting some actions when keywords are recognized or simply allow the users to write some text for later use.

In this post we'll see all the step to create an hand writing to text control and how to tune it.

Specifications The HandWritingToText controls translate the text written with it's hand by the user into "computer text". The final purpose is to triggers some actions when a specific keyword is recognized and it'll so be able to recognize only one word at a time and not a whole text. The recognized text will be published via an event and... Read How to create an hand writing to text control (ink recognizer)

Migrate the Jetpack theme from Silverlight to WPF

2010-10-14T12:54:00+02:00

There is a great theme named Jetpack available for Silverlight applications which can be found on the Tim Heuer web site. I was wondering if it can be used in WPF applications and the answer is yes ! Here are the modifications I had to do to make all this work : SelectionBackground replace by SelectionBrush (except for the DatePicker) I... Read Migrate the Jetpack theme from Silverlight to WPF

How to create your own control library (how-to + tips)

2010-10-03T23:27:00+02:00

Reusability and factorizing are maybe the most commons things you want and use when you are developing applications. In WPF it often means creating controls library (i don’t mean UserControl) that will be easy to use in multiple applications. In this post we'll see all the step to create a control library useable in differents projects. The... Read How to create your own control library (how-to + tips)

How to create an animated expander

2010-09-21T14:02:00+02:00

The expander control can be used in a lot of situations but the one proposed by default is quite "rigid". In this post we will discover how to animate it quite simply just via XAML ! The WPF engine lets us redefine the template of the controls and we'll just do that. The goal aimed What we aim is to get the same functionnality as the... Read How to create an animated expander

UserControl/Control : how to get a reference to an element of the template

2010-09-14T22:42:00+02:00

When you want to create your own custom control you have two choices : create an UserControl or inherit from one of the "Control's classes" (ContentControl, ItemsControls or Control itself). When doing so, you'll surely need to access to the visual parts of your template from the code to add to it a nice behavior. In this post, we'll discover how... Read UserControl/Control : how to get a reference to an element of the template

Execute a command on a specified control when clicking on a button

2010-06-16T15:07:00+02:00

Today another example of the powerful ramora pattern : execute a RoutedCommand on an Control when you click on a button outside of the aimed control scope. When is it useful ? : for example when you use the infragistics grid (xamdatagrid) and you want to execute the command which remove the selected row from a button outside of the grid. You... Read Execute a command on a specified control when clicking on a button

Binding to the selected items of a ListBox (or an another items controls)

2010-06-13T12:03:00+02:00

A problem you often meet when using MVVM is to get the selected items of an items control, especially Listbox. You can easily bind the selected item or the current items but when multi selection comes in the way, it becomes harder because the SelectedItems (with an 's' property is not available to binding). In this article we will discover an... Read Binding to the selected items of a ListBox (or an another items controls)

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

2010-04-27T23:52:00+02:00

Today a fast and easy tip about shadows and performance. In a project I have recently made, we've told the designer not to use BitmapEffects because they are performance killer. He so decided to create it's own shadows by duplicating each shape and make them looks like shadows(designer magic, voodoo things, etc...). I was then surprised to see... Read [Performance tips] Use the system shadows instead of your own

Freeze brushes directly in the XAML to improve your application's performances

2010-04-12T22:53:00+02:00

When you read the MSDN guidelines to improve WPF's performances you can find that it's a good idea to freeze Freezable objects. It's a quite easy thing to do via the code but it's quite harder to do it directly in the XAML. In this post we will see how to do so. What are freezable objects One upon a time, the MSDN said : A Freezable is a... Read Freeze brushes directly in the XAML to improve your application's performances

MVVM - Creating ViewModel : use XAML Power Toys (solution 2 of n).

2010-03-02T03:24:00+01:00

Here is the next episode of our serie MVVM - Creating ViewModel. A list of all the article about creating a ViewModel is here.. Today we are going to discover a tool which can help us to create the ViewModel. XAML Power Toys : add-in for VisualStudio XAML Power Toys is an extremly useful add-in(build by Karl SHIFFLET) for VisualStudio that... Read MVVM - Creating ViewModel : use XAML Power Toys (solution 2 of n).

DependencyProperties or INotifyPropertyChanged ?

2010-03-01T12:31:00+01:00

When you want to make an object binding-aware you have two choices : implement INotifyPropertyChanged or create DependencyProperties. Which one is the best ? Let's try to answer this question ! How to implement INotifyPropertyChanged Declaring that your class is implementing INotifyPropertyChanged adds an PropertyChangedEventHandler that you... Read DependencyProperties or INotifyPropertyChanged ?

Use AttachedProperties to add behaviors to the components (Ramora pattern)

2010-02-19T17:47:00+01:00

The problem In WPF you expect your components/controls to behave exactly as you want to.... but this not always the case. For example : why does this combobox not execute a command when I change the selection or more often why this textbox does not execute a command when I press the Enter (return) key ? This problem often occurs when you use... Read Use AttachedProperties to add behaviors to the components (Ramora pattern)