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ComboBox.OnMeasureItem Method

Raises the MeasureItem event.

Namespace: System.Windows.Forms
Assembly: System.Windows.Forms (in system.windows.forms.dll)

protected virtual void OnMeasureItem (
	MeasureItemEventArgs e
)
protected void OnMeasureItem (
	MeasureItemEventArgs e
)
protected function OnMeasureItem (
	e : MeasureItemEventArgs
)
Not applicable.

Parameters

e

The MeasureItemEventArgs that was raised.

This method is called each time an owner-drawn ComboBox item needs to be drawn and before OnDrawItem is called. For more information, see MeasureItem.

Raising an event invokes the event handler through a delegate. For more information, see Raising an Event.

The OnMeasureItem method also allows derived classes to handle the event without attaching a delegate. This is the preferred technique for handling the event in a derived class.

Notes to Inheritors: When overriding OnMeasureItem in a derived class, be sure to call the base class's OnMeasureItem method so that registered delegates receive the event.

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, 2.0, 1.1, 1.0

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