修改Camera.cs，实现自然模式下隐藏色彩模式菜单

Windows/CS/Framework4.0/Toprie/Toprie/Camera.cs

@@ -967,6 +967,12 @@ namespace JoyD.Windows.CS.Toprie
         {
             try
             {
+                // 根据当前图像模式控制色彩模式菜单的可见性
+                if (_deviceManager != null)
+                {
+                    colorModeToolStripMenuItem.Visible = _deviceManager.CurrentImageMode == ImageMode.Infrared;
+                }
+                
                 // 清除视频模式菜单项的选中状态
                 thermalModeToolStripMenuItem.Checked = false;
                 visibleModeToolStripMenuItem.Checked = false;