DataGridViewCell.OnMouseLeave(Int32) Method

Reference

Definition

Namespace:: System.Windows.Forms

Assembly:: System.Windows.Forms.dll

Source:: DataGridViewCell.cs

Source:: DataGridViewCell.cs

Source:: DataGridViewCell.cs

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Called when the mouse pointer leaves the cell.

protected:
 virtual void OnMouseLeave(int rowIndex);

protected virtual void OnMouseLeave(int rowIndex);

abstract member OnMouseLeave : int -> unit
override this.OnMouseLeave : int -> unit

Protected Overridable Sub OnMouseLeave (rowIndex As Integer)

Parameters

rowIndex: Int32

The index of the cell's parent row.

Examples

The following code example illustrates the use of this method. This example is part of a larger example available in How to: Customize Cells and Columns in the Windows Forms DataGridView Control by Extending Their Behavior and Appearance.

// Force the cell to repaint itself when the mouse pointer enters it.
protected override void OnMouseEnter(int rowIndex)
{
    this.DataGridView.InvalidateCell(this);
}

// Force the cell to repaint itself when the mouse pointer leaves it.
protected override void OnMouseLeave(int rowIndex)
{
    this.DataGridView.InvalidateCell(this);
}

' Force the cell to repaint itself when the mouse pointer enters it.
Protected Overrides Sub OnMouseEnter(ByVal rowIndex As Integer)
    Me.DataGridView.InvalidateCell(Me)
End Sub

' Force the cell to repaint itself when the mouse pointer leaves it.
Protected Overrides Sub OnMouseLeave(ByVal rowIndex As Integer)
    Me.DataGridView.InvalidateCell(Me)
End Sub

Remarks

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

Applies to

Product	Versions
.NET Framework	2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
Windows Desktop	3.0, 3.1, 5, 6, 7, 8, 9, 10

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