private void HandleSelection(Envelope tolerant, Envelope strict)
{
Keys key = Control.ModifierKeys;
if ((key & Keys.Shift) != Keys.Shift && (key & Keys.Control) != Keys.Control)
{
#if DEBUG
var sw = new Stopwatch();
sw.Start();
#endif
// If they are not pressing shift or control, clear the selection before adding new members to it.
Map.ClearSelection();
#if DEBUG
sw.Stop();
Debug.WriteLine("Clear: " + sw.ElapsedMilliseconds);
#endif
}
if (!Map.MapFrame.GetAllLayers().Any(_ => _.SelectionEnabled && _.IsVisible))
{
MessageBox.Show(MessageStrings.MapFunctionSelect_NoSelectableLayer);
}
else if ((key & Keys.Control) == Keys.Control)
{
Map.InvertSelection(tolerant, strict);
}
else
{
Map.Select(tolerant, strict);
}
}
private void HandleSelection(Envelope tolerant, Envelope strict)
{
Keys key = Control.ModifierKeys;
if ((((key & Keys.Shift) == Keys.Shift) == false) && (((key & Keys.Control) == Keys.Control) == false))
{
// If they are not pressing shift, then first clear the selection before adding new members to it.
Envelope region;
#if DEBUG
var sw = new Stopwatch();
sw.Start();
#endif
Map.ClearSelection(out region);
#if DEBUG
sw.Stop();
Debug.WriteLine("Clear: " + sw.ElapsedMilliseconds);
#endif
}
if ((key & Keys.Control) == Keys.Control)
{
Envelope region;
Map.InvertSelection(tolerant, strict, SelectionMode.Intersects, out region);
}
else
{
bool selectable = false;
foreach (ILayer layer in Map.MapFrame.GetAllLayers())
{
if ((layer.IsVisible && layer.IsWithinLegendSelection()) || layer.IsSelected)
{
selectable = true;
break;
}
}
if (selectable == false)
{
MessageBox.Show(MessageStrings.MapFunctionSelect_NoSelectableLayer);
}
Envelope region;
Map.Select(tolerant, strict, SelectionMode.Intersects, out region);
}
}
