## Uses of Interface
com.dlsc.flexgantt.model.gantt.IGanttChartModelListener

- Packages that use IGanttChartModelListener
  Package | Description
  --- | ---
  com.dlsc.flexgantt.model.gantt | A model definition and default implementation for a Gantt chart model, which is basically an extension of a tree table model, which itself is an extension of a tree model.
  com.dlsc.flexgantt.swing | Contains the Gantt chart components and various other user interface elements that can be used together with the Gantt chart.
  com.dlsc.flexgantt.swing.layer | The right-hand side of any Gantt chart is a layer container, which is responsible for managing the various layer types.
  com.dlsc.flexgantt.swing.layer.system | Contains the system layers for drawing the background, grid lines, popups, relationships, controls, spreadsheets, overviews, global events and activities.

- - ### Uses of IGanttChartModelListener in com.dlsc.flexgantt.model.gantt

    Methods in com.dlsc.flexgantt.model.gantt with parameters of type IGanttChartModelListener
    Modifier and Type | Method and Description
    --- | ---
    `void` | IGanttChartModel.`addGanttChartModelListener(IGanttChartModelListener l)` Adds a listener to the model.
    `void` | DefaultGanttChartModel.`addGanttChartModelListener(IGanttChartModelListener l)`
    `void` | IGanttChartModel.`removeGanttChartModelListener(IGanttChartModelListener l)` Removes a listener from the model.
    `void` | DefaultGanttChartModel.`removeGanttChartModelListener(IGanttChartModelListener l)`

  - ### Uses of IGanttChartModelListener in com.dlsc.flexgantt.swing

    Classes in com.dlsc.flexgantt.swing that implement IGanttChartModelListener
    Modifier and Type | Class and Description
    --- | ---
    `class` | `UtilityControlPanel` A panel used to display various utility controls in the lower left corner of the layer container.

  - ### Uses of IGanttChartModelListener in com.dlsc.flexgantt.swing.layer

    Classes in com.dlsc.flexgantt.swing.layer that implement IGanttChartModelListener
    Modifier and Type | Class and Description
    --- | ---
    `class` | `LayerContainer` The layer container is the main user interface component on the right-hand side of the Gantt chart.

  - ### Uses of IGanttChartModelListener in com.dlsc.flexgantt.swing.layer.system

    Classes in com.dlsc.flexgantt.swing.layer.system that implement IGanttChartModelListener
    Modifier and Type | Class and Description
    --- | ---
    `class` | `RelationshipLayer` The relationship layer is reponsible for visualizing the relationships that might exist between two different timeline objects.
    `class` | `SpreadsheetLayer` The spreadsheet layer gets used when the Gantt chart wants to display the spreadsheet data provided by the `IGanttChartModel`.

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