* UITransfer: 支持鼠标框选和Shift，Ctrl多选移动

SunnyUI/Controls/UITransfer.Designer.cs

@@ -52,6 +52,7 @@ namespace Sunny.UI
             this.b1.Symbol = 61697;
             this.b1.TabIndex = 3;
             this.b1.TipsText = null;
+            this.b1.ZoomScaleRect = new System.Drawing.Rectangle(0, 0, 0, 0);
             this.b1.Click += new System.EventHandler(this.b1_Click);
             // 
             // b2
@@ -68,6 +69,7 @@ namespace Sunny.UI
             this.b2.Symbol = 61701;
             this.b2.TabIndex = 4;
             this.b2.TipsText = null;
+            this.b2.ZoomScaleRect = new System.Drawing.Rectangle(0, 0, 0, 0);
             this.b2.Click += new System.EventHandler(this.b2_Click);
             // 
             // b3
@@ -84,6 +86,7 @@ namespace Sunny.UI
             this.b3.Symbol = 61700;
             this.b3.TabIndex = 5;
             this.b3.TipsText = null;
+            this.b3.ZoomScaleRect = new System.Drawing.Rectangle(0, 0, 0, 0);
             this.b3.Click += new System.EventHandler(this.b3_Click);
             // 
             // b4
@@ -100,6 +103,7 @@ namespace Sunny.UI
             this.b4.Symbol = 61696;
             this.b4.TabIndex = 6;
             this.b4.TipsText = null;
+            this.b4.ZoomScaleRect = new System.Drawing.Rectangle(0, 0, 0, 0);
             this.b4.Click += new System.EventHandler(this.b4_Click);
             // 
             // l1
@@ -108,16 +112,17 @@ namespace Sunny.UI
             this.l1.Dock = System.Windows.Forms.DockStyle.Left;
             this.l1.FillColor = System.Drawing.Color.White;
             this.l1.Font = new System.Drawing.Font("微软雅黑", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point);
-            this.l1.FormatString = "";
-            this.l1.ItemSelectForeColor = System.Drawing.Color.FromArgb(((int)(((byte)(235)))), ((int)(((byte)(243)))), ((int)(((byte)(255)))));
             this.l1.Location = new System.Drawing.Point(1, 1);
             this.l1.Margin = new System.Windows.Forms.Padding(4, 5, 4, 5);
             this.l1.MinimumSize = new System.Drawing.Size(1, 1);
             this.l1.Name = "l1";
             this.l1.Padding = new System.Windows.Forms.Padding(2);
+            this.l1.SelectionMode = System.Windows.Forms.SelectionMode.MultiExtended;
+            this.l1.ShowText = false;
             this.l1.Size = new System.Drawing.Size(210, 348);
             this.l1.TabIndex = 7;
             this.l1.Text = null;
+            this.l1.ZoomScaleRect = new System.Drawing.Rectangle(0, 0, 0, 0);
             this.l1.Click += new System.EventHandler(this.l1_ItemClick);
             this.l1.DoubleClick += new System.EventHandler(this.l1_DoubleClick);
             // 
@@ -127,16 +132,17 @@ namespace Sunny.UI
             this.l2.Dock = System.Windows.Forms.DockStyle.Right;
             this.l2.FillColor = System.Drawing.Color.White;
             this.l2.Font = new System.Drawing.Font("微软雅黑", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point);
-            this.l2.FormatString = "";
-            this.l2.ItemSelectForeColor = System.Drawing.Color.FromArgb(((int)(((byte)(235)))), ((int)(((byte)(243)))), ((int)(((byte)(255)))));
             this.l2.Location = new System.Drawing.Point(289, 1);
             this.l2.Margin = new System.Windows.Forms.Padding(4, 5, 4, 5);
             this.l2.MinimumSize = new System.Drawing.Size(1, 1);
             this.l2.Name = "l2";
             this.l2.Padding = new System.Windows.Forms.Padding(2);
+            this.l2.SelectionMode = System.Windows.Forms.SelectionMode.MultiExtended;
+            this.l2.ShowText = false;
             this.l2.Size = new System.Drawing.Size(210, 348);
             this.l2.TabIndex = 8;
             this.l2.Text = null;
+            this.l2.ZoomScaleRect = new System.Drawing.Rectangle(0, 0, 0, 0);
             this.l2.Click += new System.EventHandler(this.l2_ItemClick);
             this.l2.DoubleClick += new System.EventHandler(this.l2_DoubleClick);
             // 

SunnyUI/Controls/UITransfer.cs

@@ -20,6 +20,7 @@
  * 2020-08-14: V2.2.7 增加左右列表项个数变化事件
  * 2021-07-18: V3.0.5 新增两个事件，可获取左侧、右侧Item点击事件
  * 2021-08-08: V3.0.5 增加了显示多个移动的属性
+ * 2023-02-04: V3.3.1 支持鼠标框选和Shift，Ctrl多选移动
 ******************************************************************************/
 
 using System;
@@ -118,54 +119,64 @@ namespace Sunny.UI
 
         private void b2_Click(object sender, EventArgs e)
         {
-            if (l1.Items.Count > 0 && l1.SelectedItem != null)
+            if (l1.Items.Count > 0 && l1.SelectedItems != null && l1.SelectedItems.Count > 0)
+            {
+                int idx = l1.SelectedIndices[l1.SelectedIndices.Count - 1];
+                object[] items = new object[l1.SelectedItems.Count];
+                for (int i = 0; i < l1.SelectedItems.Count; i++)
+                {
+                    items[i] = l1.SelectedItems[i];
+                }
+
+                foreach (var item in items)
                 {
-                int idx = l1.SelectedIndex;
-                object item = l1.SelectedItem;
                     l2.Items.Add(item);
                     ItemAdd?.Invoke(this, item);
                     l1.Items.Remove(item);
+                }
 
+                l2.ClearSelected();
                 if (l2.Items.Count > 0)
                 {
                     l2.SelectedIndex = l2.Items.Count - 1;
                 }
 
-                if (idx - 1 >= 0)
+                if (idx >= l1.Items.Count) idx = l1.Items.Count;
-                {
-                    idx = idx - 1;
-                }
-
                 if (l1.Items.Count > 0)
                 {
-                    l1.SelectedIndex = idx;
+                    l1.SelectedIndex = Math.Max(0, idx - 1);
                 }
             }
         }
 
         private void b3_Click(object sender, EventArgs e)
         {
-            if (l2.Items.Count > 0 && l2.SelectedItem != null)
+            if (l2.Items.Count > 0 && l2.SelectedItems != null && l2.SelectedItems.Count > 0)
+            {
+                int idx = l2.SelectedIndices[l2.SelectedIndices.Count - 1];
+                object[] items = new object[l2.SelectedItems.Count];
+                for (int i = 0; i < l2.SelectedItems.Count; i++)
+                {
+                    items[i] = l2.SelectedItems[i];
+                }
+
+                foreach (var item in items)
                 {
-                int idx = l2.SelectedIndex;
-                object item = l2.SelectedItem;
                     l1.Items.Add(item);
                     ItemRemove?.Invoke(this, item);
                     l2.Items.Remove(item);
+                }
 
+                l1.ClearSelected();
                 if (l1.Items.Count > 0)
                 {
                     l1.SelectedIndex = l1.Items.Count - 1;
                 }
 
-                if (idx - 1 >= 0)
+                if (idx >= l2.Items.Count) idx = l2.Items.Count;
-                {
-                    idx = idx - 1;
-                }
-
                 if (l2.Items.Count > 0)
                 {
-                    l2.SelectedIndex = idx;
+                    l2.SelectedIndex = Math.Max(0, idx - 1);
                 }
             }
         }