/// <summary> 在UI界面中绘制模型线。此方法为异步操作，程序并不会等待 PostDraw 方法执行完成才继续向下执行。 </summary>
public void PostDraw()
{
// 绘制轮廓
this._closedCurveDrawer = new ModelCurvesDrawer(this.uiApp, CurveCheckMode.Closed, this.CheckInTime);
_closedCurveDrawer.DrawingCompleted += Drawer_DrawingCompleted;
this._closedCurveDrawer.PostDraw();
}
private void Drawer_DrawingCompleted(List <ElementId> AddedCurves, bool FinishedExternally, bool Succeeded)
{
if (Succeeded)
{
// 将结果添加到集合中
_addedModelCurvesId.Add(AddedCurves);
// 询问是否还要添加
DialogResult res = MessageBox.Show(@"封闭曲线绘制成功，是否还要继续绘制另一组封闭曲线？",
@"提示", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (res == DialogResult.Yes)
{
// Can not subscribe to an event during execution of that event. revit.exception.InvalidOperationException
this._closedCurveDrawer.PostDraw();
}
else
{
// 取消与这个绘制器的关联
_closedCurveDrawer.DrawingCompleted -= Drawer_DrawingCompleted;
_closedCurveDrawer.FinishOnce(FinishedExternally, Succeeded);
_closedCurveDrawer.Dispose();
this._closedCurveDrawer = null;
//
if (_closedDrawingCompletedEvent != null)
{
_closedDrawingCompletedEvent(_addedModelCurvesId, FinishedExternally, true);
}
}
}
else
{
// 取消与这个绘制器的关联
_closedCurveDrawer.DrawingCompleted -= Drawer_DrawingCompleted;
this._closedCurveDrawer.FinishOnce(FinishedExternally, Succeeded);
_closedCurveDrawer.Dispose();
this._closedCurveDrawer = null;
if (_closedDrawingCompletedEvent != null)
{
_closedDrawingCompletedEvent(_addedModelCurvesId, FinishedExternally, false);
}
}
}