/// <summary>
/// Handles a key up event
/// </summary>
/// <param name="sender">The display where the key event originated</param>
/// <param name="k">Information about the event</param>
public override void KeyUp(ISpatialDisplay sender, KeyEventArgs k)
{
// Whereas Control.ModifierKeys sees Keys.Control, the KeyUp event passes Keys.ControlKey
if (k.KeyCode == Keys.ControlKey && m_Sel != null)
{
// Grab the selected items (if any) and merge any currently selected features.
Selection s = m_Sel.Selection;
FreeAreaSelectionTool();
if (s.Count > 0)
{
s.AddRange(this.SpatialSelection.Items);
SetSelection(s);
}
// Ensure everything is back to normal
ActiveDisplay.RestoreLastDraw();
// Force any prior selection to show
m_HasSelectionChanged = true;
//ActiveDisplay.PaintNow();
}
}
/// <summary>
/// Indicates that any painting previously done by a command should be erased. This
/// tells the command's active display that it should revert the display buffer to
/// the way it was at the end of the last draw from the map model. Given that a command
/// supports painting, it's <c>Paint</c> method will be called during idle time.
/// </summary>
void ErasePainting()
{
ActiveDisplay.RestoreLastDraw();
}