1. 修复数字输入框限制精度的bug

2. 固定buffer处理器添加同步针头校验
3. 模型添加安全更新方式

VIZ.Framework.Common/Widgets/NumberBox/NumberBox.cs

@@ -193,7 +193,7 @@ namespace VIZ.Framework.Common
             }
 
             value = MathHelper.Clip(this.MinValue, this.MaxValue, value);
-            value = Math.Round(value, MathHelper.GetDigitsPrecision(value));
+            value = Math.Round(value, MathHelper.GetDigitsPrecision(this.Interval));
 
             this.Text = value.ToString();
             this.Value = value;
@@ -227,7 +227,7 @@ namespace VIZ.Framework.Common
         private void PART_Down_Click(object sender, RoutedEventArgs e)
         {
             double value = this.Value - this.Interval;
-            value = Math.Round(value, MathHelper.GetDigitsPrecision(value));
+            value = Math.Round(value, MathHelper.GetDigitsPrecision(this.Interval));
 
             if (value < this.MinValue || value > this.MaxValue)
                 return;
@@ -241,7 +241,7 @@ namespace VIZ.Framework.Common
         private void PART_Up_Click(object sender, RoutedEventArgs e)
         {
             double value = this.Value + this.Interval;
-            value = Math.Round(value, MathHelper.GetDigitsPrecision(value));
+            value = Math.Round(value, MathHelper.GetDigitsPrecision(this.Interval));
 
             if (value < this.MinValue || value > this.MaxValue)
                 return;

VIZ.Framework.Connection/Core/ConnMessageBase.cs

@@ -40,5 +40,10 @@ namespace VIZ.Framework.Connection
         /// 处理器
         /// </summary>
         public IConnPackageProvider Provider { get; internal set; }
+
+        /// <summary>
+        /// 消息创建时间
+        /// </summary>
+        public DateTime DateTime { get; internal set; } = DateTime.Now;
     }
 }

VIZ.Framework.Connection/Provider/FixedBuffer/ConnFixedBufferPackageProvider.cs

@@ -23,11 +23,17 @@ namespace VIZ.Framework.Connection
         /// 固定长度Buffer包解析器
         /// </summary>
         /// <param name="fixedBufferSize">固定Buffer长度</param>
-        public ConnFixedBufferPackageProvider(int fixedBufferSize)
+        /// <param name="syncHeader">同步头</param>
+        public ConnFixedBufferPackageProvider(int fixedBufferSize, IEnumerable<byte> syncHeader)
         {
             this.FixedBufferSize = fixedBufferSize;
             this.buffer_index = 0;
             this.buffer_cache = new byte[fixedBufferSize];
+
+            if (syncHeader != null)
+            {
+                this.SyncHeader.AddRange(SyncHeader);
+            }
         }
 
         /// <summary>
@@ -36,6 +42,11 @@ namespace VIZ.Framework.Connection
         public int FixedBufferSize { get; private set; }
 
         /// <summary>
+        /// 同步头
+        /// </summary>
+        public List<byte> SyncHeader { get; private set; } = new List<byte>();
+
+        /// <summary>
         /// 数据缓存
         /// </summary>
         private byte[] buffer_cache;
@@ -63,6 +74,21 @@ namespace VIZ.Framework.Connection
                 if (this.buffer_index < this.FixedBufferSize)
                     continue;
 
+                // 同步头
+                int sync_index = this.getSyncIndex();
+                if (sync_index < 0)
+                {
+                    continue;
+                }
+                if (sync_index > 0)
+                {
+                    byte[] buffer_cache_new = new byte[this.FixedBufferSize];
+                    Array.Copy(this.buffer_cache, sync_index, buffer_cache_new, 0, this.FixedBufferSize - sync_index);
+                    this.buffer_index -= sync_index;
+
+                    continue;
+                }
+
                 // 处理器处理消息
                 ConnFixedBufferInfo info = new ConnFixedBufferInfo();
                 info.LocalIP = package.LocalIP;
@@ -113,5 +139,40 @@ namespace VIZ.Framework.Connection
         {
             // noting to do.
         }
+
+        /// <summary>
+        /// 获取当前同步帧位序
+        /// </summary>
+        /// <returns>获取当前同步帧位序</returns>
+        private int getSyncIndex()
+        {
+            if (this.SyncHeader.Count == 0)
+                return 0;
+
+            for (int i = 0; i < this.FixedBufferSize - this.SyncHeader.Count; ++i)
+            {
+                if (this.isSameSyncBuffer(i))
+                    return i;
+            }
+
+            // 未找到同步数据
+            return -1;
+        }
+
+        /// <summary>
+        /// 是否是相同的同步帧buffer
+        /// </summary>
+        /// <param name="index">开始位序</param>
+        /// <returns>是否是相同的同步帧buffer</returns>
+        private bool isSameSyncBuffer(int index)
+        {
+            for (int i = 0; i < this.SyncHeader.Count; ++i)
+            {
+                if (this.buffer_cache[index + i] != this.SyncHeader[i])
+                    return false;
+            }
+
+            return true;
+        }
     }
 }
\ No newline at end of file

VIZ.Framework.Core/Core/WPF/ModelBase.cs

@@ -4,6 +4,7 @@ using System.ComponentModel;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using System.Windows;
 
 namespace VIZ.Framework.Core
 {
@@ -32,6 +33,25 @@ namespace VIZ.Framework.Core
         }
 
         /// <summary>
+        /// 触发属性改变前事件（安全方式）
+        /// </summary>
+        /// <param name="propertyName">属性名</param>
+        public void RaisePropertySaveChanging(string propertyName)
+        {
+            if (Application.Current.Dispatcher.CheckAccess())
+            {
+                this.PropertyChanging?.Invoke(this, new PropertyChangingEventArgs(propertyName));
+
+                return;
+            }
+
+            WPFHelper.BeginInvoke(() =>
+            {
+                this.PropertyChanging?.Invoke(this, new PropertyChangingEventArgs(propertyName));
+            });
+        }
+
+        /// <summary>
         /// 触发属性改变后事件
         /// </summary>
         /// <param name="propertyName">属性名</param>
@@ -39,5 +59,24 @@ namespace VIZ.Framework.Core
         {
             this.PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
         }
+
+        /// <summary>
+        /// 触发属性改变后事件（安全方式）
+        /// </summary>
+        /// <param name="propertyName">属性名</param>
+        public void RaisePropertySaveChanged(string propertyName)
+        {
+            if (Application.Current.Dispatcher.CheckAccess())
+            {
+                this.PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+
+                return;
+            }
+
+            WPFHelper.BeginInvoke(() =>
+            {
+                this.PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+            });
+        }
     }
 }

VIZ.Framework.ImageContrastTool/ViewModel/MainViewModel.cs

@@ -209,7 +209,7 @@ namespace VIZ.Framework.ImageContrastTool
         {
             if (System.IO.Directory.Exists(this.LeftPath))
             {
-                this.ImageFiles = System.IO.Directory.GetFiles(this.LeftPath, "*.jpg").ToList();
+                this.ImageFiles = System.IO.Directory.GetFiles(this.LeftPath, "*.*").ToList();
             }
             else
             {