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## org.eclipse.birt.report.engine.api
Interface IParameterGroupDefn

All Superinterfaces:
  IParameterDefnBase

All Known Subinterfaces:
  ICascadingParameterGroup

    public interface IParameterGroupDefn

extends IParameterDefnBase

The interface for objects which visually groups report parameters.

Field Summary

Fields inherited from interface org.eclipse.birt.report.engine.api.IParameterDefnBase
`CASCADING_PARAMETER_GROUP, FILTER_PARAMETER, LIST_PARAMETER, PARAMETER_GROUP, SCALAR_PARAMETER, TABLE_PARAMETER`

Method Summary
`boolean` | `displayExpanded()` returns whether to display the parameter group in expanded form
`java.util.ArrayList` | `getContents()` returns the set of parameters that appear inside the group.

Methods inherited from interface org.eclipse.birt.report.engine.api.IParameterDefnBase
`getDisplayName, getHandle, getHelpText, getName, getParameterType, getPromptText, getTypeName, getUserPropertyValue, getUserPropertyValues`

Method Detail

### getContents

    java.util.ArrayList getContents()

  returns the set of parameters that appear inside the group.

  Returns:
    the set of parameters that appear inside the group.

### displayExpanded

    boolean displayExpanded()

  returns whether to display the parameter group in expanded form

  Returns:
    whether to display the parameter group expanded

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