DataGridViewCellPaintingEventHandler Delegate
Assembly: System.Windows.Forms (in system.windows.forms.dll)
'Declaration Public Delegate Sub DataGridViewCellPaintingEventHandler ( _ sender As Object, _ e As DataGridViewCellPaintingEventArgs _ ) 'Usage Dim instance As New DataGridViewCellPaintingEventHandler(AddressOf HandlerMethod)
/** @delegate */ public delegate void DataGridViewCellPaintingEventHandler ( Object sender, DataGridViewCellPaintingEventArgs e )
JScript supports the use of delegates, but not the declaration of new ones.
Parameters
- sender
The source of the event.
- e
A DataGridViewCellPaintingEventArgs that contains the event data.
When you create a DataGridViewCellPaintingEventHandler delegate, you identify the method that will handle the event. To associate the event with your event handler, add an instance of the delegate to the event. The event handler is called whenever the event occurs, unless you remove the delegate. For more information about event-handler delegates, see Events and Delegates.
The following example illustrates the use of this event to customize the appearance of all cells in a particular column.
This code is part of a larger example available in How to: Customize the Appearance of Cells in the Windows Forms DataGridView Control.
Private Sub dataGridView1_CellPainting(ByVal sender As Object, _ ByVal e As System.Windows.Forms.DataGridViewCellPaintingEventArgs) _ Handles dataGridView1.CellPainting If Me.dataGridView1.Columns("ContactName").Index = _ e.ColumnIndex AndAlso e.RowIndex >= 0 Then Dim newRect As New Rectangle(e.CellBounds.X + 1, e.CellBounds.Y + 1, _ e.CellBounds.Width - 4, e.CellBounds.Height - 4) Dim backColorBrush As New SolidBrush(e.CellStyle.BackColor) Dim gridBrush As New SolidBrush(Me.dataGridView1.GridColor) Dim gridLinePen As New Pen(gridBrush) Try ' Erase the cell. e.Graphics.FillRectangle(backColorBrush, e.CellBounds) ' Draw the grid lines (only the right and bottom lines; ' DataGridView takes care of the others). e.Graphics.DrawLine(gridLinePen, e.CellBounds.Left, _ e.CellBounds.Bottom - 1, e.CellBounds.Right - 1, _ e.CellBounds.Bottom - 1) e.Graphics.DrawLine(gridLinePen, e.CellBounds.Right - 1, _ e.CellBounds.Top, e.CellBounds.Right - 1, _ e.CellBounds.Bottom) ' Draw the inset highlight box. e.Graphics.DrawRectangle(Pens.Blue, newRect) ' Draw the text content of the cell, ignoring alignment. If Not (e.Value Is Nothing) Then e.Graphics.DrawString(CStr(e.Value), e.CellStyle.Font, _ Brushes.Crimson, e.CellBounds.X + 2, e.CellBounds.Y + 2, _ StringFormat.GenericDefault) End If e.Handled = True Finally gridLinePen.Dispose() gridBrush.Dispose() backColorBrush.Dispose() End Try End If End Sub
Windows 98, Windows 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 .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.