DevComponents Knowledge Base

ToolboxControl in DotNetBar for Windows Forms (WinForms) displays multiple set of items categorized under toolbox groups and automatically provides drag and drop functionality for end users so they can start dragging and dropping items from toolbox. It also allows end-user to re-arrange items on toolbox by simply using drag and drop. You can add new […]

Using just few lines of code its possible to render anything in AdvTree left margin and this article will illustrate how to add line numbers. To add margin to the control set advTree.BackgroundStyle.PaddingLeft = 24 property. In this example it will be set to 24 pixels. Handle advTree.Render and advTree.GetRenderer().RenderNodeBackground events to render left margin […]

DotNetBar includes controls that allow you to create tab based user interface which can effectively replace the MDI child interface. Tabbed user interface is often seen in browsers like FireFox and Chrome. Following controls are the ones you will be using to create tabbed UI: TabParentForm, TabFormControl and TabFormItem. TabParentForm is used as a chrome-less […]

Starting with 12.8 version of DotNetBar for WinForms we have added High DPI support to all controls in the suite. High DPI support ensures that when your applications that use our controls are scaled up on high resolution screens they retain their crisp and clean appearance and render in high resolution. DotNetBar High DPI support […]

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 […]

SideNav control helps you create applications around so called “hamburger” style menu. You can also use SideNav control to add expandable tabs to your applications. SideNav control consist of the tabs that are positioned vertically on left hand side with optional first button which collapses and expands the tab display. When tab display is collapsed […]

Use following code from your main form Load event, note that if style is changed using StyleManager these changes must be applied again. C#: using DevComponents.DotNetBar.Rendering; using DevComponents.DotNetBar;   private void Form1_Load(object sender, EventArgs e) { // Change mouse over colors for the default ButtonItem color table and the ButtonX color table Office2007ColorTable table = […]

Flyout component allows you to show Outlook style “peek” panels in your Windows Forms applications: To start using the control, simply add Flyout component from the toolbox onto your form. Next, prepare the content for the flyout. Content of the flyout can be any control so its best to use a Panel control to which […]

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 […]