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DataSourceProvider.BeginQuery Method

When overridden in a derived class, this base class calls this method when InitialLoad or Refresh has been called. The base class delays the call if refresh is deferred or initial load is disabled.

Namespace: System.Windows.Data
Assembly: WindowsBase (in windowsbase.dll)

protected virtual void BeginQuery ()
protected void BeginQuery ()
protected function BeginQuery ()
You cannot use methods in XAML.

Notes to Implementers: You can choose to execute the query on the same thread or on a background thread or using IsAsynchronous. When the query is complete, call OnQueryFinished to have the public properties updated.

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0
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