添加项目文件。

Mstn.Toolkit/External/DimensionData.cs

@@ -0,0 +1,66 @@
+using Bentley.DgnPlatformNET;
+using Bentley.DgnPlatformNET.Elements;
+using Bentley.GeometryNET;
+
+namespace Mstn.Toolkit.External
+{
+    class DimensionData : DimensionCreateData
+    {
+        private DimensionStyle m_dimStyle;
+        private DgnTextStyle m_textStyle;
+        private Symbology m_symbology;
+        private LevelId m_levelId;
+        private DirectionFormatter m_directionFormatter;
+
+        public DimensionData(DimensionStyle dimStyle, DgnTextStyle textStyle, Symbology symb, LevelId levelId, DirectionFormatter formatter)
+        {
+            m_dimStyle = dimStyle;
+            m_textStyle = textStyle;
+            m_symbology = symb;
+            m_levelId = levelId;
+            m_directionFormatter = formatter;
+        }
+
+        public override DimensionStyle GetDimensionStyle()
+        {
+            return m_dimStyle;
+        }
+
+        public override DgnTextStyle GetTextStyle()
+        {
+            return m_textStyle;
+        }
+
+        public override Symbology GetSymbology()
+        {
+            return m_symbology;
+        }
+
+        public override LevelId GetLevelId()
+        {
+            return m_levelId;
+        }
+
+        public override int GetViewNumber()
+        {
+            return 0;
+        }
+
+        //此函数返回的旋转矩阵与GetViewRotation返回的旋转矩阵共同定义了尺寸标注元素的方向
+        public override DMatrix3d GetDimensionRotation()
+        {
+            return DMatrix3d.Identity;
+        }
+
+        public override DMatrix3d GetViewRotation()
+        {
+            return DMatrix3d.Identity;
+        }
+
+        //用于从数字方向值构造字符串。
+        public override DirectionFormatter GetDirectionFormatter()
+        {
+            return m_directionFormatter;
+        }
+    }
+}