C# NXOpen二次开发：选择对话框（theUI.SelectionManager.SelectObject）用法

z样式如下：

1、选择面 对话框  

        /// <summary>        /// 选择面对话框        /// </summary>        /// <param name="obj">返回被选中面</param>        public void SelectFace(out NXObject obj)        {            UI theUI = UI.GetUI();            string message = "请选择面";            string title = "请选择面";            Selection.SelectionScope scope = Selection.SelectionScope.WorkPart;            bool keepHighlighted = false;            Selection.SelectionType[] typeArray = new Selection.SelectionType[1] { Selection.SelectionType.Faces };            Point3d cursor;            theUI.SelectionManager.SelectObject(message, title, scope, keepHighlighted, typeArray, out obj, out cursor);        }

        /// <summary>        /// 选择面对话框        /// </summary>        /// <param name="selected_face">返回被选中面</param>        public void SelectFace(out Face selected_face)        {            try            {                UI theUI = UI.GetUI();                NXObject obj;                string message = "请选择面";                string title = "请选择叶身底面";                Selection.SelectionScope scope = Selection.SelectionScope.WorkPart;                bool keepHighlighted = false;                Selection.SelectionType[] typeArray = new Selection.SelectionType[1] { Selection.SelectionType.Faces };                Point3d cursor;                theUI.SelectionManager.SelectObject(message, title, scope, keepHighlighted, typeArray, out obj, out cursor);                selected_face = (Face)obj;            }            catch            {                selected_face = null;            }        }

2、选择输出的特征

        /// <summary>        /// 输出选择的特征        /// </summary>        /// <param name="selected_feat"></param>        public void SelectFeature(out Feature selected_feat)        {            try            {                UI theUI = UI.GetUI();                string message = "";                string title = "";                Selection.SelectionScope scope = Selection.SelectionScope.WorkPart;                bool keepHighlighted = false;                Selection.SelectionType[] typeArray = new Selection.SelectionType[1] { Selection.SelectionType.Features };                Point3d cursor;                NXObject obj;                theUI.SelectionManager.SelectObject(message, title, scope, keepHighlighted, typeArray, out obj, out cursor);                selected_feat = (Feature)obj;            }            catch            {                selected_feat = null;            }        }

举一反三：

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