优化加入jit操作中的卡顿问题

TEMUKJD/UserComponent/DataGridViewEx.cs

@@ -47,6 +47,28 @@ namespace TemuKJD.UserComponent
             }
         }
 
+        private bool autoRowNumber = true;
+        /// <summary>
+        /// 边框颜色
+        /// </summary>
+        [Description("自动行号"), Category("UserProperty")]
+        public bool AutoRowNumber
+        {
+            get
+            {
+                return autoRowNumber;
+            }
+            set
+            {
+                if (autoRowNumber != value)
+                {
+                    autoRowNumber = value;
+                    this.Invalidate();
+                }
+            }
+        }
+
+
         /// <summary>
         /// 自动生成行号
         /// </summary>
@@ -54,8 +76,11 @@ namespace TemuKJD.UserComponent
         /// <param name="e"></param>
         private void DataGridViewEx_RowPostPaint(object sender, DataGridViewRowPostPaintEventArgs e)
         {
-            Rectangle rectangle = new Rectangle(e.RowBounds.Location.X, e.RowBounds.Location.Y, RowHeadersWidth - 4, e.RowBounds.Height);
-            TextRenderer.DrawText(e.Graphics, (e.RowIndex + 1).ToString(), RowHeadersDefaultCellStyle.Font, rectangle, Color.DarkGray, TextFormatFlags.VerticalCenter | TextFormatFlags.Right);
+            if (AutoRowNumber)
+            {
+                Rectangle rectangle = new Rectangle(e.RowBounds.Location.X, e.RowBounds.Location.Y, RowHeadersWidth - 4, e.RowBounds.Height);
+                TextRenderer.DrawText(e.Graphics, (e.RowIndex + 1).ToString(), RowHeadersDefaultCellStyle.Font, rectangle, Color.DarkGray, TextFormatFlags.VerticalCenter | TextFormatFlags.Right);
+            }
         }
 
         /// <summary>