Telerik blogs

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  • Desktop WinForms

    About RadTreeView for WinForms and its Supercharged engine

    In Q1 2011 we introduced a highly improved version of the RadTreeView control which had all of its internal parts rebuilt in order to support full UI virtualization and customization. This allowed us to attach a new data engine that provided many new and useful features such as built-in filtering and sorting independent from the external data-sources, and support for CRUD operations. For Q3 2011 and Q3 2011 SP1 we made additional improvements to our data engine and in the synchronization between the UI and the data layers. Now, there are two questions which we have been asked lately: “Is the new RadTreeView...
    February 07, 2012
  • Desktop WPF

    RadMap for Silverlight / WPF: How to resize map shapes with mouse dragging

    RadMap provides a rich set of geocoordinate-enabled shapes that can be defined and displayed onto the map surface .There are scenarios, however, where you would like to do more than just position a shape onto the map. This blogpost will demonstrate how to manipulate each individual segment of line/polyline/polygon shape based on mouse input from the user. For example we will select (highlight) a point, and drag the selected object to another location on the map – modifying in this way the shape or the line segment. First of all we’ll need two Information layers – one...
    January 09, 2012
  • Desktop WPF

    Filtering Collection Properties with RadGridView for Silverlight and WPF

    By default, RadGridView will not be able to filter properties which are IEnumerable. However, with two of its features you can easily add this custom functionality. The first feature you need to use are the Custom Filtering Controls which I have explained in one of my earlier blog posts so I will not go into detail here. The focus of this blog is how to implement the IFilterDescriptor interface so that our data engine can filter your enumerable property. This interface allows you to provide a filtering expression. This expression will be used when the data engine performs the actual filtering. In the...
    December 05, 2011
  • Desktop WinForms

    Bringing Windows 8 UI to Windows 7 with RadPanorama for WinForms. Today.

    Or how to uncover the touch horizons for your applications. The once unnamed RadPanorama control is here to make your Windows Forms applications rock! Together with the Touch API we have introduced in our previous blog, it brings the full power of touch-optimized applications to your Windows 7 users. If you have not heard anything about RadPanorama before, let us introduce it with a few words. Basically, this new control allows you to represent a small amount of data in the form of tiles that the end-user is able to smoothly scroll left or right with a gesture, just like in Win8, and...
    November 30, 2011
  • Desktop WinForms

    Excel-like filtering enhancements in RadGridView for WinForms Q3 2011

    Q3 2011 is knocking on the door and along with all the cool stuff you will find inside, there is one feature that we would like to tell you about now. Do you remember Excel-Like functionality, which allows the end-user to effortlessly apply filter by selecting items from a popup list? Now we are including a bunch of new stuff to it.   Calendar filter popup First of all is a new calendar popup. It will be shown by default for date columns, and it will allow for easily selecting a date from RadCalendar. For additional convenience, there are a couple of predefined...
    November 15, 2011