1

ZebraPrinterHelper/ZebraManger.cs

 using System;
 using System.Collections.Generic;
 using System.ComponentModel;
+using System.Diagnostics;
 using System.Drawing;
 using System.IO;
 using System.Linq;
@@ -92,10 +93,15 @@ namespace ZebraPrinterHelper
             msg = "";
             try
             {
+                Debug.WriteLine("Connection1");
                 printerConnection = GetConnection();
+                Debug.WriteLine("Connection2");
                 printerConnection.Open();
+                Debug.WriteLine("Connection3");
                 PrinterDPI = GetPrinterDPI();
+                Debug.WriteLine("Connection4");
                 printer = ZebraPrinterFactory.GetInstance(printerConnection);
+                Debug.WriteLine("Connection5");
                 return true;
             }
             catch (ConnectionException e)
@@ -108,15 +114,19 @@ namespace ZebraPrinterHelper
             }
             catch (IOException e)
             {
-                msg = "Image Error" + e.Message;
+                msg = "Image Error:" + e.Message;
             }
             catch (ZebraIllegalArgumentException e)
             {
-                msg = "Illegal Arguments" + e.Message;
+                msg = "Illegal Arguments:" + e.Message;
             }
             catch (ArgumentException e)
             {
-                msg = "Invalid File Path" + e.Message;
+                msg = "Invalid File Path:" + e.Message;
+            }
+            catch (Exception e)
+            {
+                msg = "Exception:" + e.Message;
             }
             finally
             {
@@ -165,13 +175,21 @@ namespace ZebraPrinterHelper
         /// <param name="msg">错误消息</param>
         /// <param name="checkPeeler">是否检查剥离器</param>
         /// <returns>是否成功</returns>
-        public bool PrintImage(Bitmap bmp, out string msg,bool checkPeeler)
+        public bool PrintImage(Bitmap bmp, out string msg, bool checkPeeler, bool checkstatus = true) {
+            return PrintImage(bmp, bmp.Width, bmp.Height, out msg, checkPeeler, checkstatus);
+        }
+        public bool PrintImage(Bitmap bmp,int width, int height, out string msg,bool checkPeeler,bool checkstatus=true)
+        {
+            msg = "";
+            Debug.WriteLine("StartPrintImage");
+            if (checkstatus)
             {
                 if (!CheckAndGetStatus(out PrinterStatus status, out msg))
                     return false;
+                Debug.WriteLine("CheckAndGetStatus");
                 if (status.labelsRemainingInBatch > 0)
                     CancelAll();
-
+                Debug.WriteLine("labelsRemainingInBatch");
                 if (!status.isReadyToPrint)
                 {
                     string[] printerStatusString = new PrinterStatusMessages(status).GetStatusMessage();
@@ -179,12 +197,14 @@ namespace ZebraPrinterHelper
                     msg = string.Join("\r\n", printerStatusString);
                     return false;
                 }
+                Debug.WriteLine("isReadyToPrint");
                 if (checkPeeler && IsLabelOnPeeler)
                 {
                     msg = "上一个标签尚未移走";
                     return false;
                 }
-
+                Debug.WriteLine("IsLabelOnPeeler");
+            }
             try
             {
                 //var width = bmp.Width * ((double)PrinterDPI / 300);
@@ -192,6 +212,7 @@ namespace ZebraPrinterHelper
                 //var db = GetReducedImage(bmp, (int)width, (int)height);
                 //db.Save("temp.bmp");
                 ZebraImageI image = ZebraImageFactory.GetImage(bmp);
+                Debug.WriteLine("ZebraImageFactory.GetImage");
                 printer.PrintImage(image, 0, 0, (int)bmp.Width, (int)bmp.Height, false);
                 return true;
             }
@@ -209,11 +230,15 @@ namespace ZebraPrinterHelper
             }
             catch (ZebraIllegalArgumentException e)
             {
-                msg = "Illegal Arguments" + e.ToString();
+                msg = "Illegal Arguments:" + e.ToString();
             }
             catch (ArgumentException e)
             {
-                msg = "Invalid File Path" + e.ToString();
+                msg = "Invalid File Path:" + e.ToString();
+            }
+            catch (Exception e)
+            {
+                msg = "Exception:" + e.Message;
             }
             finally
             {
@@ -235,6 +260,11 @@ namespace ZebraPrinterHelper
                     return false;
                 }
             }
+            Debug.WriteLine("StartGetStatus");
+            status = GetStatus();
+            if (status == null)
+            {
+                Debug.WriteLine("GetStatusAgain");
                 status = GetStatus();
                 if (status == null)
                 {
@@ -247,6 +277,8 @@ namespace ZebraPrinterHelper
                     }
                     goto ReTry;
                 }
+            }
+            Debug.WriteLine("isPaused");
             ReTryCount = 0;
             if (status.isPaused)
             {
@@ -380,8 +412,10 @@ namespace ZebraPrinterHelper
         /// <returns></returns>
         public PrinterStatus GetStatus()
         {
+            
             if (printerConnection == null || !printerConnection.Connected)
             {
+                Debug.WriteLine("ReConnection");
                 if (!Connection(out string m))
                 {
                     //msg = m;
@@ -390,12 +424,15 @@ namespace ZebraPrinterHelper
             }
             try
             {
+                Debug.WriteLine("GetCurrentStatus");
                 return printer.GetCurrentStatus();
                 //ZebraPrinterLinkOs linkOsPrinter = ZebraPrinterFactory.CreateLinkOsPrinter(printer);
+                //Debug.WriteLine("linkOsPrinter:"+ linkOsPrinter==null);
                 //return (linkOsPrinter != null) ? linkOsPrinter.GetCurrentStatus() : printer.GetCurrentStatus();
             }
-            catch
+            catch(Exception ex)
             {
+                Debug.WriteLine("GetCurrentStatusError:"+ex);
                 return null;
             }
         }