--- xmlTools/trunk/posUpdate/XmlPatch.cs	2013/03/26 15:23:42	746
+++ xmlTools/trunk/posUpdate/XmlPatch.cs	2013/05/09 10:37:17	867
@@ -95,7 +95,7 @@ namespace xmlTools
             //---------------------------------------------------Parse Operation command (start)
             try
             {
-                if (forceFiles == null)
+                if (String.IsNullOrEmpty(forceFiles))
                 {
                     File = getPatchParameter(operation, "File");
                 }
@@ -114,14 +114,14 @@ namespace xmlTools
                 return false;
             }
 
-            if (Element == "")
+            if (String.IsNullOrEmpty(Element))
             {
                 return false;
             }
 
             //---------------------------------------------------Parse Operation command (end)
             List<String> filesToProcess = new List<String>();
-            if (File == "")
+            if (String.IsNullOrEmpty(File))
             {
                 filesToProcess = Util.getAllXmlFiles(); //no file specified, use all xml files found in same folder
             }
@@ -187,7 +187,7 @@ namespace xmlTools
             //---------------------------------------------------Parse Operation command (start)
             try
             {
-                if (forceFiles == null)
+                if (String.IsNullOrEmpty(forceFiles))
                 {
                     File = getPatchParameter(operation, "File");
                 }
@@ -206,7 +206,7 @@ namespace xmlTools
                 return false;
             }
 
-            if (Element == "")
+            if (String.IsNullOrEmpty(Element))
             {
                 return false;
             }
@@ -214,7 +214,7 @@ namespace xmlTools
             //---------------------------------------------------Parse Operation command (end)
 
             List<String> filesToProcess = new List<String>();
-            if (File == "")
+            if (String.IsNullOrEmpty(File))
             {
                 filesToProcess = Util.getAllXmlFiles(); //no file specified, use all xml files found in same folder
             }
@@ -271,7 +271,7 @@ namespace xmlTools
 
             command = command.Replace("@COMMAND ", ""); //get only the command to process
 
-            if (command.Trim() == "")
+            if (String.IsNullOrEmpty(command.Trim()))
             {
                 Program.printAppError(Program.appErrors.PATCH_COMMAND_NOT_FOUND, "Error parsing commandOperation in Patch file: Command is empty.");
                 return false;
@@ -298,7 +298,7 @@ namespace xmlTools
                         command = command.Insert(command.Length," -filename:" + this.forceFiles);
                     }
 
-                    if (paramType != "")
+                    if (!String.IsNullOrEmpty(paramType))
                     {
                         int startIdx = command.IndexOf(paramType) + paramType.Length;
                         int endIdx = command.IndexOf(" ", startIdx); // it may end with space