REPORT-46779 报表预览第一行显示不全

designer-base/src/main/java/com/fr/design/gui/icontainer/UIModeControlContainer.java

@@ -166,10 +166,10 @@ public class UIModeControlContainer extends JLayeredPane {
             }
             // 拖动的距离，为正值表示往下拖动，为负值表示往上拖动
             int deltaY = e.getY();
+            toolPaneY += deltaY;
             if (toolPaneY < 0) {
                 toolPaneY = 0;
             }
-            toolPaneY += deltaY;
             onResize(toolPaneY);
             refreshContainer();
         }