DevComponents Knowledge Base

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"; VB: button.Symbol = ChrW(&Hf060) Here is the table with available symbols and [...]

InitializeComponent() method in Visual Studio.NET C# or VB.NET is method that is automatically created and managed by Windows Forms designer and it defines everything you see on the form. Everything done on the form in VS.NET using designers generates code. Every single control added and property set will generate code and that code goes into [...]

To programatically change the widths of the AdvPropertyGrid columns in DotNetBar for WinForms use SetPropertyColumnWidth method. For example to set width of the property name column to 100 pixels you can use following code: advPropertyGrid1.SetPropertyColumnWidth(0, 100)

Follow these steps to create Ribbon Tab Groups: Add RibbonControl to the form. Select the RibbonTabItem2 that is created by default. In VS.NET Property window find Group property and select it Click the drop-down button for Group property and choose Create New Group Select RibbonControl and in Property VS.NET window ensure that TabGroupsVisible property is [...]

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 [...]

You can render row numbers for DataGridView and DataGridViewX by handling RowPostPaint event. Then you use following code: C#: void DataGridViewRowPostPaint(object sender, DataGridViewRowPostPaintEventArgs e) { DataGridView dg = (DataGridView)sender; // Current row record string rowNumber = (e.RowIndex + 1).ToString();   // Format row based on number of records displayed by using leading zeros while (rowNumber.Length [...]

DotNetBar for Windows Forms Advanced PropertyGrid control provides complete support for ICustomTypeDescriptor interface that you can use to provide completely virtual properties that are shown and edited in property grid. This involves implementing ICustomTypeDescriptor interface on your object and the at least providing list of custom properties returned from GetProperties(Attribute[] attributes) method that you implement [...]