DevComponents Knowledge Base

To mark your WinForms application as DPI aware and enable High DPI support in DotNetBar for WinForms (starting with DotNetBar 12.8 and later) make sure that your application includes app.manifest file with following entry: <asmv3:application> <asmv3:windowsSettings xmlns="http://schemas.microsoft.com/SMI/2005/WindowsSettings"> <dpiAware>true</dpiAware> </asmv3:windowsSettings> </asmv3:application><asmv3:application> <asmv3:windowsSettings xmlns="http://schemas.microsoft.com/SMI/2005/WindowsSettings"> <dpiAware>true</dpiAware> </asmv3:windowsSettings> </asmv3:application> Here you can download the app.manifest file with this entry […]

TokenEditor control in DotNetBar for WinForms is an advanced text-box control which parses the input and converts it into the set of parts (tokens). This is very similar to email address entry text-box in modern email clients, but more flexible. Each text-part, token is validated before being accepted so it can be rejected if it […]

Range Slider control included with DotNetBar for WinForms provides you with ability to input numerical range selection in your application. With its default settings control looks like this: RangeSlider supports the vertical orientation by setting property SliderOrientation=Vertical: The possible selection range is set through Minimum and Maximum properties. Selected range is returned by Value property […]

DotNetBar AdvTree WinForms control includes full support for data-binding through advTree.DataSource property which accepts many data objects and automatically creates columns based on advTree.DisplayMembers property setting which accepts comma separated list of field names to display. When you set DisplayMembers property the control automatically generates the column and sets default size for them. If you […]

RadialMenu control is a popup menu control included with DotNetBar for WinForms. RadialMenu control is used to minimize movement between the action which opens the menu and menu command selection. RadialMenu control is not only very useful for touch based screens but its benefits are the same when mouse only is used. RadialMenu control provides […]

You can use following code to enumerate through all nodes in DotNetBar for WinForms AdvTree control: C#: // Following code enumerates through all nodes and prints out node text to console foreach (Node node in AllNodes(advTree1.Nodes)) { Console.WriteLine(node.Text); }   // This is what makes flat access to tree nodes easy private static IEnumerable AllNodes(NodeCollection […]

DotNetBar ButtonItem include built-in symbol library. At design-time symbols are set using visual editor provided for Symbol property which makes choice of symbol easy. From code however, you need to use symbol unicode. That code would look like this: C#: button.Symbol = "\uf060";button.Symbol = "\uf060"; VB: button.Symbol = ChrW("&Hf060")button.Symbol = ChrW("&Hf060") Since we included 2 […]

DotNetBar for Windows Forms ItemPanel control starting with 10.1.0.6 release includes support for data-binding. To bind ItemPanel to your data source follow these steps: Set DataSource property to the source of your data. This can be array of custom objects or data set. Set ItemTemplate property to the item which will act as template for […]

Table of Contents Architecture Overview Component Overview SuperGridControl GridContainer GridPanel GridRow GridColumn GridCell Cell Editors and Renderers Creating Your Own Cell Editor / Renderer   Architecture Overview (Note: Many of the options and abilities of the SuperGrid, as presented in this document, are demonstrated in the SuperGrid Demo Application included in the DotNetBar Samples folder. […]

VB: Dim dict = New Dictionary(Of String, String)() For n As Integer = 0 To 10 dict.Add("Key " + n.ToString(), "Value " + n.ToString()) Next   ComboBoxItem1.ComboBoxEx.DataSource = New BindingSource(dict, Nothing) ComboBoxItem1.ComboBoxEx.DisplayMember = "Value" ComboBoxItem1.ComboBoxEx.ValueMember = "Key"Dim dict = New Dictionary(Of String, String)() For n As Integer = 0 To 10 dict.Add("Key " + n.ToString(), […]