EndBackup Method

In This Topic

Syntax
Remarks
Example
See Also

Ends an asynchronous invocation of the Backup method.

Syntax

Visual Basic
C#

public void EndBackup( 
   IAsyncResult result
)

'Declaration
 
Public Sub EndBackup( _
   ByVal result As IAsyncResult _
)

Parameters

result: The System.IAsyncResult returned by BeginBackup.

Remarks

The function ends an asynchronous backup that is started with BeginBackup. A pair of asynchronous functions (BeginBackup and EndBackup) can be used instead of the synchronous function Backup to gain more performance and flexibility in your application.

Example

This sample demonstrates performing async backup and restore operations.

csharp

public void DumpIt(MySqlConnection myConnection) {
        myConnection.Open();
        MySqlDump mySqlDump = new MySqlDump();
        mySqlDump.Connection = myConnection;
        myConnection.Database = "Test";
        mySqlDump.IncludeDrop = true;
        mySqlDump.GenerateHeader = true;
        mySqlDump.Tables = "Dept;Emp";
        IAsyncResult myResult = mySqlDump.BeginBackup("d:\\tmp\\mysqldump.dmp");
        while (!myResult.IsCompleted) {
                Console.Write(".");
                //Perform here any operation you need
        }
        mySqlDump.EndBackup(myResult);
        Console.WriteLine("Dumped.");
        myConnection.Close();
}

public void UnDumpIt(MySqlConnection myConnection) {
        myConnection.Open();
        MySqlDump mySqlDump = new MySqlDump();

        mySqlDump.Connection = myConnection;
        myConnection.Database = "Test";
        IAsyncResult myResult = mySqlDump.BeginRestore("d:\\tmp\\mysqldump.dmp");
        while (!myResult.IsCompleted)
        {
                Console.Write(".");
                //Perform here any operation you need
        }
        mySqlDump.EndRestore(myResult);
        Console.WriteLine("Restored.");
        myConnection.Close();
}

Visual Basic

Public Sub DumpIt(myConnection As MySqlConnection)
        myConnection.Open()
        Dim mySqlDump As New MySqlDump()
        mySqlDump.Connection = myConnection
        myConnection.Database = "Test"
        mySqlDump.IncludeDrop = True
        mySqlDump.GenerateHeader = True
        mySqlDump.Tables = "Dept;Emp"
        Dim myResult As IAsyncResult = mySqlDump.BeginBackup("d:\tmp\mysqldump.dmp")
        While Not myResult.IsCompleted
                'Perform here any operation you need
                Console.Write(".")
        End While
        mySqlDump.EndBackup(myResult)
        Console.WriteLine("Dumped.")
        myConnection.Close()
End Sub

Public Sub UnDumpIt(myConnection As MySqlConnection)
        myConnection.Open()
        Dim mySqlDump As New MySqlDump()

        mySqlDump.Connection = myConnection
        myConnection.Database = "Test"
        Dim myResult As IAsyncResult = mySqlDump.BeginRestore("d:\tmp\mysqldump.dmp")
        While Not myResult.IsCompleted
                'Perform here any operation you need
                Console.Write(".")
        End While
        mySqlDump.EndRestore(myResult)
        Console.WriteLine("Restored.")
        myConnection.Close()
End Sub

Reference

DbDump Class
DbDump Members

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