* UIListBox：增加文字水平对齐方向

SunnyUI/Charts/UILineChartOption.cs

@@ -305,6 +305,24 @@ namespace Sunny.UI
             return false;
         }
 
+        public bool GetNearestPointX(Point p, int offset, out double x, out double y, out int index)
+        {
+            x = 0;
+            y = 0;
+            index = -1;
+            if (PointsX.Count == 0) return false;
+
+            index = PointsX.BinarySearchNearIndex(p.X);
+            if (p.X >= PointsX[index] - offset && p.X <= PointsX[index] + offset)
+            {
+                x = XData[index];
+                y = YData[index];
+                return true;
+            }
+
+            return false;
+        }
+
         public void Clear()
         {
             XData.Clear();

SunnyUI/Controls/UIListBox.cs

@@ -69,6 +69,14 @@ namespace Sunny.UI
             timer.Start();
         }
 
+        [DefaultValue(StringAlignment.Near)]
+        [Description("列表项高度"), Category("SunnyUI")]
+        public new StringAlignment TextAlignment
+        {
+            get => listbox.TextAlignment;
+            set => listbox.TextAlignment = value;
+        }
+
         protected override void OnContextMenuStripChanged(EventArgs e)
         {
             base.OnContextMenuStripChanged(e);
@@ -503,6 +511,18 @@ namespace Sunny.UI
 
         public event OnBeforeDrawItem AfterDrawItem;
 
+        private StringAlignment textAlignment = StringAlignment.Near;
+
+        public StringAlignment TextAlignment
+        {
+            get => textAlignment;
+            set
+            {
+                textAlignment = value;
+                Invalidate();
+            }
+        }
+
         protected override void OnDrawItem(DrawItemEventArgs e)
         {
             base.OnDrawItem(e);
@@ -526,6 +546,7 @@ namespace Sunny.UI
 
             StringFormat sStringFormat = new StringFormat();
             sStringFormat.LineAlignment = StringAlignment.Center;
+            sStringFormat.Alignment = textAlignment;
 
             bool isSelected = (e.State & DrawItemState.Selected) == DrawItemState.Selected;
             Color backColor = isSelected ? ItemSelectBackColor : BackColor;