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  • Desktop WPF

    How to: Create custom editor with RadGridView for Silverlight and WPF

    If you need a custom editor to edit a specific data, you can use one of the following approaches:   Use CellEditTemplate property of the GridViewColumn. Create a custom column by inheriting from GridViewBoundColumnBase.   As almost anything in our life both approaches have some advantages and disadvantages. Although it is quite easy to implement the first option, there are some significant disadvantages like not so usable with many RadGridView instances, and more important this bypasses the RadGridView validation and editing engine. For more information about this approach you can take a look at this online example.   In this blog post I’ll try to explain how to...
    November 12, 2009
  • Desktop WinForms

    RadControls for WinForms Q3 2009 - RadScheduler Resource Grouping

    Q3 marks the release of some fantastic new features in the RadControls for WinForms. I know many of you have been waiting for one feature in particular... resource grouping. Well, I'm happy to say, the wait is over, resource grouping is here! Today, I am going to take some time out to explain to you how it works.   Adding Resources Programmatically Creating and adding resources to the RadScheduler is quite simple. In fact, assigning resources to appointments is by no means a new feature of the RadScheduler. The following code creates and adds a resource to the RadScheduler: Resource ...
    November 06, 2009
  • Desktop WinForms

    Smooth scrolling in RadGridView for WinForms

    Up until Q3 2009, RadGridView for WinForms used a scrollbar in every child view when in hierarchy mode. This however can be a problem when there are many nested levels, i.e. it can lead to a situation where you do not have enough visual estate to scroll through the hierarchy:     In our latest release RadGridView is using only one scrollbar that scrolls the root level and all the child views, with no performance loss whatsoever, because we have optimized the scrolling mechanism to be better performing and smoother:     Since there are cases where using nested scrollbars is the better option, we still offer the...
    November 06, 2009
  • Desktop WinForms

    RadControls for WinForms Q3 2009 - HTML-like Text Formatting

    The RadMarkupEditor The RadMarkupEditor is a new WYSIWYG editor that has been added to the underlying framework of the RadControls to simplify the task of editing text in HTML-like markup. This editor is available for all Telerik WinForms controls that support HTML-like text formatting. Accessing the RadMarkupEditor is as simple as locating the text property of a particular RadControl in it's properties window. If the RadControl supports Html-like markup, the text property will contain a dropdown button. Clicking on the dropdown button will display a dropdown with a "Start MarkupEditor" button on it. Clicking this button will display the RadMarkupEditor....
    November 05, 2009
  • Desktop WinForms

    RadElement Lifecycle – a WinForms TPF Story

    Why new TPF improvement? Knowing that the faster an application loads, the better the overall User Experience is, we put serious efforts in optimizing our presentation framework as much as possible. Since Q3 2009, RadElement, the smallest visual unit in Telerik Presentation Framework (TPF) has been given its own lifecycle. The major benefit of this new improvement is significant boost during the loading and disposing stages. Simple tests prove that controls load and dispose between 50% up to 300% faster, depending on the depth of the corresponding element tree, hosted on each control. Some Technical Stuff A RadElement...
    November 04, 2009