Files Xml WindowsMessages

NOTE THIS IS DRAFT CODE :)

#region namespaces
 using System;
 using System.Collections;
 using System.Collections.Specialized;
 using System.Windows.Forms;  
 using System.Xml.Serialization;
 
 using System.IO;
 using System.Text;
 using System.Threading;
 using System.Runtime.InteropServices;
#endregion

namespace Owasp
{
   class Files_Xml_WindowsMessages
   {    
       [DllImport("user32", CharSet = CharSet.Auto)] public extern static IntPtr SendMessage(IntPtr hWnd, int msg, int wParam, IntPtr lParam);            

       private const int WM_SETREDRAW      = 0x000B;
       private const int WM_USER           = 0x400;
       private const int EM_GETEVENTMASK   = (WM_USER + 59);
       private const int EM_SETEVENTMASK   = (WM_USER + 69);
       private const int EM_SETSCROLLPOS   = (WM_USER + 222);        

       public static IntPtr DisableRichTextBoxReDraw(IntPtr ipHandle)
       {        
           IntPtr eventMask;                    
           SendMessage(ipHandle, WM_SETREDRAW, 0, IntPtr.Zero);        // Stop redrawing:             
           eventMask = SendMessage(ipHandle, EM_GETEVENTMASK, 0, IntPtr.Zero); // Stop sending of events:
           return eventMask;
       }

       public static void EnableRichTextBoxReDraw(IntPtr ipHandle,IntPtr eventMask)
       {                        
           SendMessage(ipHandle, EM_SETEVENTMASK, 0, eventMask);        // turn on events            
           SendMessage(ipHandle, WM_SETREDRAW, 1, IntPtr.Zero);            // turn on redrawing
       }

       public static string GetFileContent(string strFile)
       {
           try
           {
               FileStream fs = File.OpenRead(strFile);
               if(fs == null)
                   return string.Empty;
               StreamReader sr = new StreamReader(fs);
               if(sr == null)
                   return string.Empty;
               string strContent = sr.ReadToEnd();            
               sr.Close();
               fs.Close();
               return strContent;
           }
           catch
           {
               return "";
           }
       }

       public static void WriteFileContent(string strFile,string strFileContent)
       {
           if (File.Exists(strFile))
           {                
               File.Delete(strFile);
           }
           using (FileStream fs = File.Create(strFile))
           {
               Byte[] info =
                   new UTF8Encoding(true).GetBytes(strFileContent);
               // Add some information to the file.
               fs.Write(info, 0, info.Length);
           }
       }

       public static string returnStringOfSerializedObject(object objToSerialize,Type[] tExtraTypes)
       {
           XmlSerializer xsObjectSerializer;
           if (null ==  tExtraTypes)
               xsObjectSerializer = new XmlSerializer(objToSerialize.GetType());
           else
               xsObjectSerializer = new XmlSerializer(objToSerialize.GetType(),tExtraTypes);
           MemoryStream mstemp = new MemoryStream();
           xsObjectSerializer.Serialize(mstemp,objToSerialize);
           mstemp.Flush();
           mstemp.Position=0;
           byte[] bContents = new byte[(int)mstemp.Length];
           mstemp.Read(bContents,0,(int)mstemp.Length);
           string strSerializedObject =  Encoding.UTF8.GetString(bContents);
           return strSerializedObject;
       }

       public static object returnDeSerializedObjectOfSerializedString(string strObjectToDeSerialize, Type tTypeOfObjectToDeSerialize,Type[] tExtraTypes)
       {
           XmlSerializer xsObjectSerializer = new XmlSerializer(tTypeOfObjectToDeSerialize,tExtraTypes);
           return xsObjectSerializer.Deserialize(new MemoryStream(Encoding.UTF8.GetBytes(strObjectToDeSerialize)));        
       }

       public static void GetFilesFromDirectory(string FolderLocation,string strDirectorySearchFilter, ref StringCollection strcol)
       {
           string[] strFiles = Directory.GetFiles(FolderLocation,strDirectorySearchFilter);
           if(strFiles.Length != 0)
               strcol.AddRange(strFiles);
           string[] Folders = Directory.GetDirectories(FolderLocation);
           foreach(string strFolder in Folders)
           {
               GetFilesFromDirectory(strFolder,strDirectorySearchFilter,ref strcol);
           }
       }

       public static string GetTempFileName(string strExtension)
       {
           string strTempFileName = Path.Combine(AppDomain.CurrentDomain.BaseDirectory,ProgramSettings.strProjectsTempXmlFiles);
           strTempFileName  = Path.Combine(strTempFileName,Path.GetFileNameWithoutExtension(Path.GetTempFileName())+ strExtension);             
           return     strTempFileName;
       }
   }
}