A User Control is composed by several files that we will review briefly here:
- A control definition file, where general aspects of the control are defined, such as name, version or external resources.
- A properties file, where the control’s properties are defined.
- A design time render file, that specifies how the control will be displayed at design time (in the GeneXus IDE).
- A runtime render file, that specifies how the control will be displayed at runtime.
For more information see User control structure overview.