protected virtual void ReadFromIsolatedStorage(string fileName)
{
using (System.IO.IsolatedStorage.IsolatedStorageFile l_Storage = GetStorage())
{
System.IO.IsolatedStorage.IsolatedStorageFileStream l_File = null;
try
{
l_File = new System.IO.IsolatedStorage.IsolatedStorageFileStream(fileName, System.IO.FileMode.Open, System.IO.FileAccess.Read, l_Storage);
}
catch (System.IO.FileNotFoundException)
{
l_File = null;
}
if (l_File == null) //file non esiste
{
}
else //file esiste
{
try
{
ReadFromStream(l_File);
}
finally
{
l_File.Close();
}
}
l_Storage.Close();
}
}
protected virtual void RemoveIsolatedStorage(string fileName)
{
using (System.IO.IsolatedStorage.IsolatedStorageFile l_Storage = GetStorage())
{
l_Storage.DeleteFile(fileName);
l_Storage.Close();
}
}
protected virtual void WriteToIsolatedStorage(string fileName, PersistenceFlags flags)
{
using (System.IO.IsolatedStorage.IsolatedStorageFile l_Storage = GetStorage())
{
System.IO.IsolatedStorage.IsolatedStorageFileStream l_File = null;
l_File = new System.IO.IsolatedStorage.IsolatedStorageFileStream(fileName, System.IO.FileMode.Create, System.IO.FileAccess.Write, l_Storage);
try
{
WriteToStream(l_File, flags);
}
finally
{
l_File.Close();
}
l_Storage.Close();
}
}
protected virtual bool IsolatedStorageExists(string fileName)
{
fileName = System.IO.Path.GetFileName(fileName).ToLower();
using (System.IO.IsolatedStorage.IsolatedStorageFile l_Storage = GetStorage())
{
string[] files = l_Storage.GetFileNames("*");
for (int i = 0; i < files.Length; i++)
{
string fileFinded = System.IO.Path.GetFileName(files[i]).ToLower();
if (fileFinded == fileName)
{
return(true);
}
}
l_Storage.Close();
}
return(false);
}