public override void Dispose()
{
if (m_Dialog != null)
{
m_Dialog.Dispose();
m_Dialog = null;
}
}
/// <summary>
/// Reacts to selection of the OK button in the dialog.
/// </summary>
/// <param name="wnd">The dialog window (ignored).</param>
/// <returns></returns>
internal override bool DialFinish(Control wnd)
{
if (m_Dialog == null)
{
MessageBox.Show("IntersectUI.DialFinish - No dialog!");
return(false);
}
PointFeature p = m_Dialog.Finish();
if (p == null)
{
return(false);
}
// Get the controller to select the intersection point
ISpatialSelection ss = new SpatialSelection((ISpatialObject)p);
Controller.SetSelection(ss);
m_Dialog.Dispose();
m_Dialog = null;
return(FinishCommand());
}
/// <summary>
/// Starts the user interface (if any) for this command.
/// </summary>
/// <returns>True if command started ok.</returns>
internal override bool Run()
{
// Don't run more than once.
if (m_Dialog != null)
{
throw new InvalidOperationException("IntersectUI.Run - Command is already running.");
}
// Are we doing an update?
UpdateUI pup = this.Update;
// Create the appropriate sort of dialog.
EditingActionId edid = this.EditId;
if (edid == EditingActionId.DirIntersect)
{
if (pup == null)
{
m_Dialog = new IntersectTwoDirectionsForm(this, "Intersect two directions");
}
else
{
m_Dialog = new IntersectTwoDirectionsForm(pup, "Update (intersect two directions)");
}
}
else if (edid == EditingActionId.DirDistIntersect)
{
if (pup == null)
{
m_Dialog = new IntersectDirectionAndDistanceForm(this, "Intersect direction and distance");
}
else
{
m_Dialog = new IntersectDirectionAndDistanceForm(pup, "Update (intersect direction and distance)");
}
}
else if (edid == EditingActionId.LineIntersect)
{
if (pup == null)
{
m_Dialog = new IntersectTwoLinesForm(this, "Intersect two lines");
}
else
{
m_Dialog = new IntersectTwoLinesForm(pup, "Update (intersect two lines)");
}
}
else if (edid == EditingActionId.DistIntersect)
{
if (pup == null)
{
m_Dialog = new IntersectTwoDistancesForm(this, "Intersect two distances");
}
else
{
m_Dialog = new IntersectTwoDistancesForm(pup, "Update (intersect two distances)");
}
}
else if (edid == EditingActionId.DirLineIntersect)
{
if (pup == null)
{
m_Dialog = new IntersectDirectionAndLineForm(this, "Intersect direction and line");
}
else
{
m_Dialog = new IntersectDirectionAndLineForm(pup, "Update (intersect direction and line)");
}
}
else
{
throw new Exception("IntersectUI.Run - Unexpected command id.");
}
m_Dialog.Show();
return(true);
}
/// <summary>
/// Initializes this UI (for use by constructors)
/// </summary>
void Initialize()
{
Debug.Assert(this.EditId != EditingActionId.Null);
m_Dialog = null;
}