/// <summary>
/// This allows overriding layers to handle any memory cleanup.
/// </summary>
/// <param name="disposeManagedResources">True if managed resources should be set to null.</param>
protected virtual void Dispose(bool disposeManagedResources)
{
if (_isDisposed)
{
return;
}
if (disposeManagedResources)
{
LayerSelected = null;
ZoomToLayer = null;
ShowProperties = null;
FinishedLoading = null;
SelectionChanged = null;
base.ContextMenuItems = null;
MyExtent = null;
base.LegendText = null;
_progressHandler = null;
_progressMeter = null;
_invalidatedRegion = null;
_mapFrame = null;
_propertyDialogProvider = null;
// Since the InnerDataset likely contains unmanaged memory constructs, dispose of it here.
if (_dataSet != null)
{
_dataSet.UnlockDispose();
if (!_dataSet.IsDisposeLocked)
{
_dataSet.Dispose();
}
_dataSet = null;
}
if (_editCopy != null)
{
_editCopy.Dispose();
_editCopy = null;
}
}
_isDisposed = true;
}
/// <summary>
/// This allows overriding layers to handle any memory cleanup.
/// </summary>
/// <param name="disposeManagedResources">True if managed resources should be set to null.</param>
protected virtual void Dispose(bool disposeManagedResources)
{
if (_isDisposed)
{
return;
}
if (disposeManagedResources)
{
LayerSelected = null;
ZoomToLayer = null;
ShowProperties = null;
FinishedLoading = null;
SelectionChanged = null;
base.ContextMenuItems = null;
MyExtent = null;
base.LegendText = null;
_progressHandler = null;
_progressMeter = null;
_invalidatedRegion = null;
_mapFrame = null;
_propertyDialogProvider = null;
}
// Since the InnerDataset likely contains unmanaged memory constructs, dispose of it here.
if (_dataSet != null)
{
_dataSet.UnlockDispose();
if (!_dataSet.IsDisposeLocked)
{
_dataSet.Dispose();
}
}
if (_editCopy != null) _editCopy.Dispose();
_isDisposed = true;
}
private void Configure()
{
_selectionEnabled = true;
base.ContextMenuItems = new List<MenuItem>();
base.ContextMenuItems.Add(new MenuItem("Remove Layer", RemoveLayerClick));
base.ContextMenuItems.Add(new MenuItem("Zoom to Layer", ZoomToLayerClick));
base.ContextMenuItems.Add(new MenuItem("Set Dynamic Visiblity Scale", SetDynamicVisibility));
MenuItem mnuData = new MenuItem("Data");
mnuData.MenuItems.Add(new MenuItem("Export Data", ExportDataClick));
base.ContextMenuItems.Add(mnuData);
base.ContextMenuItems.Add(new MenuItem("Properties", ShowPropertiesClick));
base.LegendSymbolMode = SymbolModes.Checkbox;
LegendType = LegendTypes.Layer;
base.IsExpanded = true;
_propertyDialogProvider = new PropertyDialogProvider();
_propertyDialogProvider.ChangesApplied += _propertyDialogProvider_ChangesApplied;
}
