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Application.OnStartup Method

Raises the Startup event.

Namespace:  System.Windows
Assembly:  PresentationFramework (in PresentationFramework.dll)

protected virtual void OnStartup(
	StartupEventArgs e
)

Parameters

e
Type: System.Windows.StartupEventArgs

A StartupEventArgs that contains the event data.

OnStartup raises the Startup event.

A type that derives from Application may override OnStartup. The overridden method must call OnStartup in the base class if the Startup event needs to be raised.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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