* UIComboBox: 修改失去焦点自动关闭过滤下拉框

SunnyUI/Controls/DropItem/UIDropControl.cs

@@ -445,7 +445,7 @@ namespace Sunny.UI
         }
 
         Rectangle ControlBoxRect;
-        public bool showClearButton;
+        protected bool showClearButton;
 
         protected override void OnGotFocus(EventArgs e)
         {

SunnyUI/Controls/UIComboBox.Designer.cs

@@ -18,7 +18,6 @@
                 components.Dispose();
             }
 
-            HideFilterForm();
             base.Dispose(disposing);
         }
 
@@ -30,18 +29,21 @@
         /// </summary>
         private void InitializeComponent()
         {
-            this.SuspendLayout();
+            SuspendLayout();
+            // 
+            // edit
+            // 
+            edit.Leave += edit_Leave;
             // 
             // UIComboBox
             // 
-            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.None;
-            this.Name = "UIComboBox";
-            this.KeyDown += new System.Windows.Forms.KeyEventHandler(this.UIComboBox_KeyDown);
-            this.ButtonClick += new System.EventHandler(this.UIComboBox_ButtonClick);
-            this.FontChanged += new System.EventHandler(this.UIComboBox_FontChanged);
-            this.ResumeLayout(false);
-            this.PerformLayout();
-
+            AutoScaleMode = System.Windows.Forms.AutoScaleMode.None;
+            Name = "UIComboBox";
+            KeyDown += UIComboBox_KeyDown;
+            ButtonClick += UIComboBox_ButtonClick;
+            FontChanged += UIComboBox_FontChanged;
+            ResumeLayout(false);
+            PerformLayout();
         }
 
         #endregion

SunnyUI/Controls/UIComboBox.cs

@@ -34,6 +34,7 @@
  * 2022-11-13: V3.2.8 增加不显示过滤可以自动调整下拉框宽度
  * 2022-11-30: V3.3.0 增加Clear方法
  * 2023-02-04: V3.3.1 增加清除按钮
+ * 2023-03-15: V3.3.3 修改失去焦点自动关闭过滤下拉框
 ******************************************************************************/
 
 using System;
@@ -113,12 +114,6 @@ namespace Sunny.UI
             if (Text.IsNullOrEmpty() && ShowFilter)
                 FillFilterTextEmpty();
 
-            foreach (var item in Parent.GetControls<UIComboBox>())
-            {
-                if (!item.Equals(this))
-                    item.HideFilterForm();
-            }
-
             FilterItemForm.AutoClose = false;
             if (!FilterItemForm.Visible)
             {
@@ -407,12 +402,6 @@ namespace Sunny.UI
         [Description("过滤时删除字符串前面、后面的空格"), Category("SunnyUI")]
         public bool TrimFilter { get; set; }
 
-        public void HideFilterForm()
-        {
-            if (FilterItemForm.Visible)
-                FilterItemForm.Close();
-        }
-
         private void FillFilterTextEmpty()
         {
             filterForm.ListBox.Items.Clear();
@@ -594,6 +583,20 @@ namespace Sunny.UI
             UIComboBox_ButtonClick(this, EventArgs.Empty);
         }
 
+        public void HideDropDown()
+        {
+            if (!ShowFilter)
+            {
+                if (dropForm != null && dropForm.Visible)
+                    dropForm.Close();
+            }
+            else
+            {
+                if (FilterItemForm != null && FilterItemForm.Visible)
+                    FilterItemForm.Close();
+            }
+        }
+
         [DefaultValue(false)]
         [Description("不显示过滤可以自动调整下拉框宽度"), Category("SunnyUI")]
         public bool DropDownAutoWidth { get; set; }
@@ -825,6 +828,11 @@ namespace Sunny.UI
             }
         }
 
+        private void edit_Leave(object sender, EventArgs e)
+        {
+            HideDropDown();
+        }
+
         [DefaultValue(typeof(Color), "White")]
         public Color ItemFillColor
         {

SunnyUI/Frames/UIPage.cs

@@ -526,11 +526,6 @@ namespace Sunny.UI
         public virtual void Final()
         {
             Finalize?.Invoke(this, new EventArgs());
-
-            foreach (var item in this.GetControls<UIComboBox>(true))
-            {
-                item.HideFilterForm();
-            }
         }
 
         public void SetStyle(UIStyle style)