private void Uninitialize()
{
if (s_extension == null)
{
return;
}
// Detach event handlers
IActiveViewEvents_Event avEvent = m_map as IActiveViewEvents_Event;
avEvent.ItemAdded -= AvEvent_ItemAdded;
avEvent.ItemDeleted -= AvEvent_ItemAdded;
avEvent.SelectionChanged -= UpdateSelCountDockWin;
avEvent.ContentsChanged -= avEvent_ContentsChanged;
avEvent = null;
// Update UI
SelectionTargetComboBox selCombo = SelectionTargetComboBox.GetSelectionComboBox();
if (selCombo != null)
{
selCombo.ClearAll();
}
SelCountDockWin.SetEnabled(false);
}
// Privates
private void Initialize()
{
// If the extension hasn't been started yet or it's been turned off, bail
if (s_extension == null || this.State != ExtensionState.Enabled)
{
return;
}
// Reset event handlers
IActiveViewEvents_Event avEvent = ArcMap.Document.FocusMap as IActiveViewEvents_Event;
avEvent.ItemAdded += AvEvent_ItemAdded;
avEvent.ItemDeleted += AvEvent_ItemAdded;
avEvent.SelectionChanged += UpdateSelCountDockWin;
avEvent.ContentsChanged += avEvent_ContentsChanged;
// Update the UI
m_map = ArcMap.Document.FocusMap;
FillComboBox();
SelCountDockWin.SetEnabled(true);
UpdateSelCountDockWin();
m_hasSelectableLayer = CheckForSelectableLayer();
}
private void UpdateSelCountDockWin()
{
// If the dockview hasn't been created yet
if (!SelCountDockWin.Exists)
{
return;
}
// Update the contents of the listView, when the selection changes in the map.
IFeatureLayer featureLayer;
IFeatureSelection featSel;
SelCountDockWin.Clear();
// Loop through the layers in the map and add the layer's name and
// selection count to the list box
for (int i = 0; i < m_map.LayerCount; i++)
{
if (m_map.get_Layer(i) is IFeatureSelection)
{
featureLayer = m_map.get_Layer(i) as IFeatureLayer;
if (featureLayer == null)
{
break;
}
featSel = featureLayer as IFeatureSelection;
int count = 0;
if (featSel.SelectionSet != null)
{
count = featSel.SelectionSet.Count;
}
SelCountDockWin.AddItem(featureLayer.Name, count);
}
}
}
protected override IntPtr OnCreateChild()
{
m_windowUI = new SelCountDockWin(this.Hook);
return m_windowUI.Handle;
}
protected override IntPtr OnCreateChild()
{
m_windowUI = new SelCountDockWin(this.Hook);
return(m_windowUI.Handle);
}
