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DataGridViewHeaderCell.OnMouseEnter Method

Called when the mouse pointer enters the cell.

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

protected override void OnMouseEnter(
	int rowIndex
)

Parameters

rowIndex
Type: System.Int32

The index of the row containing the cell.

The OnMouseEnter method sets the ButtonState to Pushed if the left mouse button is pressed when the pointer enters the cell and visual styles are enabled for headers. For more information about visual styles for headers, see the DataGridView.EnableHeadersVisualStyles property.

This method is similar to the DataGridView.OnCellMouseEnter method. It is called in the same circumstances in which a DataGridView.CellMouseEnter event is raised, but it does not actually raise the event.

Notes to Inheritors

When overriding OnMouseEnter in a derived class, be sure to call the base class's OnMouseEnter method.

.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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