Merge pull request #216 from mme1950/20231201_mme_9-dimension-fliparr…

…ow1-group-code-74-and-fliparrow2-group-code-75-not-read

#215 Dimension: FlipArrow1 (group code 74) and FlipArrow2 (group code 75) not read

ACadSharp/Entities/Dimension.cs

@@ -105,6 +105,37 @@ public DimensionType Flags
 		[DxfCodeValue(42)]
 		public double Measurement { get; internal set; }
 
+
+		/// <summary>
+		/// Gets or sets a value indicating whether the first arrow
+		/// is to be flipped.
+		/// </summary>
+		/// <value>
+		/// <b>true</b> if the arrow is to be flipped; otherwise, <b>false</b>.
+		/// </value>
+		/// <remarks>
+		/// Arrows are by default drawn inside the extension lines if there is enaugh
+		/// space; otherwise, outside. This flag overrules the standard behaviour.
+		/// </remarks>
+		[DxfCodeValue(74)]
+		public bool FlipArrow1 { get; set; }
+
+
+		/// <summary>
+		/// Gets or sets a value indicating whether the second arrow
+		/// to be flipped.
+		/// </summary>
+		/// <value>
+		/// <b>true</b> if the arrow is to be flipped; otherwise, <b>false</b>.
+		/// </value>
+		/// <remarks>
+		/// Arrows are by default drawn inside the extension lines if there is enaugh
+		/// space; otherwise, outside. This flag overrules the standard behaviour.
+		/// </remarks>
+		[DxfCodeValue(75)]
+		public bool FlipArrow2 { get; set; }
+
+
 		/// <summary>
 		/// Dimension text explicitly entered by the user
 		/// </summary>

ACadSharp/IO/DWG/DwgStreamReaders/DwgObjectReader.cs

@@ -1931,9 +1931,9 @@ private void readCommonDimensionData(CadDimensionTemplate template)
 				//Unknown B 73
 				this._objectReader.ReadBit();
 				//Flip arrow1 B 74
-				this._objectReader.ReadBit();
+				dimension.FlipArrow1 = this._objectReader.ReadBit();
 				//Flip arrow2 B 75
-				this._objectReader.ReadBit();
+				dimension.FlipArrow2 = this._objectReader.ReadBit();
 			}
 
 			//Common: