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DataGridView.OnAutoSizeColumnsModeChanged Method

Raises the AutoSizeColumnsModeChanged event.

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

protected virtual void OnAutoSizeColumnsModeChanged(
	DataGridViewAutoSizeColumnsModeEventArgs e
)

ExceptionCondition
ArgumentNullException

The value of the PreviousModes property of e is null.

ArgumentException

The number of entries in the array returned by the PreviousModes property of e is not equal to the number of columns in the control.

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

The OnAutoSizeColumnsModeChanged 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 OnAutoSizeColumnsModeChanged in a derived class, be sure to call the base class’s OnAutoSizeColumnsModeChanged method so that registered delegates receive the event.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0

.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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