Telerik blogs

Tag: App Dev

  • Web

    Sitefinity ad

    Hello and thanks to everybody who gave their insightful comments in the first blog post by the Marketing Team.   We have decided that it will be a good idea to blog more often, to engage in a conversation, and generally to shed some light on our work. We are aware that what we do is not directly related to programming but we hope that you may be interested in what else is happening at Telerik, besides lines of code being entered in VisualStudio :-)   This post will continue where we left off last time. We would once more ask for your opinion on an ad we recently...
    Antonia-Bozhkova by Antonia Bozhkova
    May 27, 2021 2 min read
  • Web ASP.NET AJAX

    Showing "tooltips" for the Nested RadGridView in RadMultiColumnComboBox

    I promised that I will continue the "tooltips" series by demonstrating a "HOWTO" approach with our RadMultiColumnComboBox component.   So what is the big difference with RadComboBox? What is really different is that RadGridView uses temporary elements to render grid cells, that are recycled every time you change something inside the screen estate of the RadGridView (say like scrolling). This means that setting the TooltipText properties of the cells in design time or through the API won't work. The solution That leaves us with the second approach only: to use the ToolTipTextNeeded event to get the job done.  Here is a small example...
    by Nikolay Diyanov
    May 27, 2021 2 min read
  • Productivity

    Showing "tooltips" for list items in RadComboBox

    There are two ways of doing this: The first approach is to assign directly the text to be displayed to every ComboBoxItem. This is done through the API or through the design time. You must assign the required text to every item’s ToolTipText.     The second approach is to handle the ToolTipTextNeeded event where custom logic can be applied: private voidTestComboBox1_Load(objectsender, EventArgs e) {     ComboPopupForm parent = this.radComboBox1.ComboBoxElement.ListBoxElement.ElementTree.Control asComboPopupForm;     if(parent != null)     {         parent.ToolTipTextNeeded += newTelerik.WinControls.ToolTipTextNeededEventHandler(radComboBox1_ToolTipTextNeeded);     } } Add...
    by Nikolay Diyanov
    May 27, 2021 1 min read
  • Desktop WinForms

    Build a slideshow with RadChart and RadRotator for WinForms in minutes

    Last week we got an interesting request from a customer of ours – he wanted to add several RadCharts in the RadRotator control and to implement custom slideshow. The idea was so appealing that I decided to shoot a quick blog about it. We already have similar image slideshows and I must say it is a pretty cool way to give your WinForms app a modern style and appeal: http://www.telerik.com/community/code-library/submission/b311D-bdhadm.aspx Even though it is very easy to add RadChart directly to the rotator (by using RadHostItem), RadRotator performs much better with images and/or other windowless RadItems. This is why...
    by Nikolay Diyanov
    May 27, 2021 1 min read
  • Desktop WinForms

    Tips & tricks: Grouping in RadGridView for WinForms

    .csharpcode, .csharpcode pre { font-size: small; color: black; font-family: consolas, "Courier New", courier, monospace; /*white-space: pre;*/ } .csharpcode pre { margin: 0em; } .csharpcode .rem { color: #008000; } .csharpcode .kwrd { color: #0000ff; } .csharpcode .str { color: #006080; } .csharpcode .op { color: #0000c0; } .csharpcode .preproc { color: #cc6633; } .csharpcode .asp { background-color: #ffff00; } .csharpcode .html { color: #800000; } .csharpcode .attr { color: #ff0000; } .csharpcode .alt { background-color: #f4f4f4; width: 100%; margin: 0em; } .csharpcode .lnum { color: #606060; } Hi all, my name is Tsvetan Raykov and I’m a developer on the WinForms RadGridView team. With this post I am starting a thread that will explain some of the great, but less known features of RadGridView for WinForms. One of the commonly used features in RadGridView is Grouping. Many of our users have requested having the option to change its default format and appearance. This is finally possible in the latest Q2 2008 version and I am going to cover the formatting basics in this post. The example and code shown here are available for download at the bottom of...
    May 27, 2021 3 min read
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