导入程序时判断是否解析失败

DeviceLibrary/bean/BoardInfo.cs

@@ -173,6 +173,29 @@ namespace TSA_V.DeviceLibrary
         /// 导出导入程序时使用
         /// </summary>
         public byte[] imageByte { get; set; }
+
+         public bool IsValid()
+        {
+            if (String.IsNullOrEmpty(boardName))
+            {
+                return false;
+            }
+            if (this.smtList==null)
+            {
+                return false;
+            }
+            if (this.smtList.Count <= 0)
+            {
+                return false;
+            }
+            if (this.LineWidth <= 0 && this.boardLength <= 0)
+            {
+                return false;
+            }
+            return true;
+        }
+
+
     }
 
     /// <summary>

TSA-V/FrmBoardList.cs

@@ -316,7 +316,7 @@ namespace TSA_V
                 }
                 bool isNeedUpdate = false;
                 BoardInfo board = BoardManager.StringToBoard(lines[0], out isNeedUpdate);
-                if (board == null)
+                if (board == null || (!board.IsValid()))
                 {
                     MessageBox.Show(ResourceCulture.GetString("解析程序失败，请选择正确文件"), ResourceCulture.GetString("提示"), MessageBoxButtons.OK, MessageBoxIcon.Error);
                     return;

TSA-V/projector/FrmProjectorScreen.cs

@@ -182,16 +182,24 @@ namespace TSA_V
         }
       
         private Color CurrColor = Color.White;
-     
+
         public void ClearPoint()
         {
-            if (!ISShow)
+            try
             {
-                return;
+                if (!ISShow)
+                {
+                    return;
+                }
+                Graphics g = this.panel1.CreateGraphics();
+                g.Clear(Color.Black);
+                g.Dispose();//释放资源
+            }
+            catch (Exception ex)
+            {
+                LogUtil.error("ClearPoint 出错：" + ex.ToString());
             }
-            Graphics g = this.panel1.CreateGraphics();
-            g.Clear(Color.Black);
-            g.Dispose();//释放资源
+
         }
         private void DrawPoint(Graphics g, int x, int y, int type = 0, int sizeX = 2, int sizeY = 2, int lineLength = 2, string name = "")
         {