first version to have multiple databases open at the same time. needs testing and bug fixing.

src/KeePassLib2Android/PwDatabase.cs

@@ -485,12 +485,6 @@ namespace KeePassLib
 			set { m_pbHashOfLastIO = value; }
 		}
 
-		public bool UseFileTransactions
-		{
-			get { return m_bUseFileTransactions; }
-			set { m_bUseFileTransactions = value; }
-		}
-
 		public bool UseFileLocks
 		{
 			get { return m_bUseFileLocks; }

src/KeePassLib2Android/Serialization/IOConnectionInfo.cs

@@ -360,5 +360,12 @@ namespace KeePassLib.Serialization
 				m_ioCredProtMode = IOCredProtMode.None;
 			}
 		}
+
+	    public bool IsSameFileAs(IOConnectionInfo other)
+	    {
+	        if (other == null)
+	            return false;
+	        return Path == other.Path && UserName == other.UserName;
+	    }
 	}
 }