Initializing help system before first use

Code editor in the View Designer

The View Designer is the default editor for vdl files, the default editor can be changed in Project > Preferences. You can edit the native vdl code by using the embedded code editor.

Most of the features required to create Views are available through the View Designer interface, however some of the more advanced Attributes are added through the code editor. You can quickly switch between the code editor and the View Designer using the links displayed in the top right of the artboard. If you highlight an element in the View Designer and switch to the code editor, the code that generates that element is highlighted in the editor.

Views are regularly automatically saved while they are open in the code editor.

Covered Topics
  • Adding a VDL View to the Example App
    Before you can create and include a VDL view in your app, you need to declare it in your app's cfile using the element.
  • Binding the User Interface to Scenario Data
    VDL comes equipped with some very powerful core components that make it natural and simple to access bulk model data.
  • Using Expressions
    Expressions are statements that evaluate dynamic values for VDL attributes and often (but not always) lead to some visible change in the rendered user interface. This section introduces this VDL feature and demonstrates how expressions are brought into play.
  • Adding Forms and Fields
    The tags and allow you to create VDL forms with editable fields.
  • Improving the User Interface
    While it is perfectly functional, the app is rather wasteful of screen real estate and it would be a better approach to let the user select a share type from a drop-down list before changing its estimated ROI.
  • Validating User Input and Adding Tooltips
    The app is progressing, but there is currently no validation on the input field in the Return per share section.
Parent Topic Adding a Custom User Interface

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