扩展更新

VIZ.Framework.Core/Core/Message/MessageManager.cs

@@ -85,9 +85,9 @@ namespace VIZ.Framework.Core
             if (message == null)
                 return;
 
-            foreach (IMessageInfo i in this.list)
+            for (int i = 0; i < this.list.Count; i++)
             {
-                MessageInfo<T> info = i as MessageInfo<T>;
+                MessageInfo<T> info = this.list[i] as MessageInfo<T>;
 
                 if (info == null)
                     continue;

VIZ.Framework.Core/Core/Xml/XmlExpand.cs

+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace VIZ.Framework.Core
+{
+    /// <summary>
+    /// XML扩展
+    /// </summary>
+    public static class XmlExpand
+    {
+        /// <summary>
+        /// 当值不为空时设置Attribute
+        /// </summary>
+        /// <param name="element">元素</param>
+        /// <param name="name">字段名称</param>
+        /// <param name="value">字段值</param>
+        public static void SetAttributeValueIfValueNotNull(this XElement element, XName name, object value)
+        {
+            if (value == null)
+                return;
+
+            element.SetAttributeValue(name, value);
+        }
+
+        /// <summary>
+        /// 当值不为空时设置Attribute
+        /// </summary>
+        /// <param name="element">元素</param>
+        /// <param name="name">字段名称</param>
+        /// <param name="value">字段值</param>
+        public static void SetAttributeValueIfValueNotNull(this XElement element, XName name, string value)
+        {
+            if (string.IsNullOrWhiteSpace(value))
+                return;
+
+            element.SetAttributeValue(name, value);
+        }
+    }
+}

VIZ.Framework.Core/VIZ.Framework.Core.csproj

@@ -159,6 +159,7 @@
     <Compile Include="Core\VIZ\Engine\VizEngineModel.cs" />
     <Compile Include="Core\VIZ\Engine\VizEngineModelCommandExpand.cs" />
     <Compile Include="Core\Win32\Win32Helper.cs" />
+    <Compile Include="Core\Xml\XmlExpand.cs" />
     <Compile Include="Expand\GPIO\Core\USB2GPIO.cs" />
     <Compile Include="Expand\GPIO\Core\USBDevice.cs" />
     <Compile Include="Expand\GPIO\Core\USBDeviceStruct.cs" />