TableLayoutCellPaintEventHandler TableLayoutCellPaintEventHandler TableLayoutCellPaintEventHandler TableLayoutCellPaintEventHandler Delegate

Definizione

Rappresenta il metodo che gestirà l'evento CellPaint.Represents the method that will handle the CellPaint event.

public delegate void TableLayoutCellPaintEventHandler(System::Object ^ sender, TableLayoutCellPaintEventArgs ^ e);
public delegate void TableLayoutCellPaintEventHandler(object sender, TableLayoutCellPaintEventArgs e);
type TableLayoutCellPaintEventHandler = delegate of obj * TableLayoutCellPaintEventArgs -> unit
Public Delegate Sub TableLayoutCellPaintEventHandler(sender As Object, e As TableLayoutCellPaintEventArgs)

Parametri

sender
Object Object Object Object

Origine dell'evento.The source of the event.

Ereditarietà
TableLayoutCellPaintEventHandlerTableLayoutCellPaintEventHandlerTableLayoutCellPaintEventHandlerTableLayoutCellPaintEventHandler

Esempi

Nell'esempio seguente viene illustrato come un TableLayoutCellPaintEventHandler delegato per personalizzare l'aspetto di un TableLayoutPanel controllo.The following example shows how to a TableLayoutCellPaintEventHandler delegate to customize the appearance of a TableLayoutPanel control. Questo esempio di codice fa parte di un esempio più ampio fornito TableLayoutPanel per il controllo.This code example is part of a larger example provided for the TableLayoutPanel control.

public class DemoTableLayoutPanel : TableLayoutPanel
{
	protected override void OnCellPaint(TableLayoutCellPaintEventArgs e)
	{
		base.OnCellPaint(e);

        Control c = this.GetControlFromPosition(e.Column, e.Row);

        if ( c != null )
        {
            Graphics g = e.Graphics;

            g.DrawRectangle(
				Pens.Red, 
				e.CellBounds.Location.X+1,
				e.CellBounds.Location.Y + 1,
				e.CellBounds.Width - 2, e.CellBounds.Height - 2);

			g.FillRectangle(
				Brushes.Blue, 
				e.CellBounds.Location.X + 1, 
				e.CellBounds.Location.Y + 1, 
				e.CellBounds.Width - 2, 
				e.CellBounds.Height - 2);
        };
	}
    
}
Public Class DemoTableLayoutPanel
    Inherits TableLayoutPanel

    Protected Overrides Sub OnCellPaint( _
    ByVal e As System.Windows.Forms.TableLayoutCellPaintEventArgs)

        MyBase.OnCellPaint(e)

        Dim c As Control = Me.GetControlFromPosition(e.Column, e.Row)

        If c IsNot Nothing Then
            Dim g As Graphics = e.Graphics

            g.DrawRectangle( _
            Pens.Red, _
            e.CellBounds.Location.X + 1, _
            e.CellBounds.Location.Y + 1, _
            e.CellBounds.Width - 2, _
            e.CellBounds.Height - 2)

            g.FillRectangle( _
            Brushes.Blue, _
            e.CellBounds.Location.X + 1, _
            e.CellBounds.Location.Y + 1, _
            e.CellBounds.Width - 2, _
            e.CellBounds.Height - 2)
        End If

    End Sub

End Class

Commenti

Quando si crea un TableLayoutCellPaintEventHandler delegato, si identifica un metodo per gestire l'evento.When you create a TableLayoutCellPaintEventHandler delegate, you identify a method to handle the event. Per associare l'evento al gestore eventi in uso, aggiungere all'evento un'istanza del delegato.To associate the event with your event handler, add an instance of the delegate to the event. Il gestore eventi viene chiamato ogni volta che si verifica l'evento, a meno che non venga rimosso il delegato.The event handler is called whenever the event occurs, unless you remove the delegate. Per ulteriori informazioni sui delegati del gestore eventi, vedere gestione e generazione di eventi.For more information about event handler delegates, see Handling and Raising Events.

Metodi di estensione

GetMethodInfo(Delegate) GetMethodInfo(Delegate) GetMethodInfo(Delegate) GetMethodInfo(Delegate)

Ottiene un oggetto che rappresenta il metodo rappresentato dal delegato specificato.Gets an object that represents the method represented by the specified delegate.

Si applica a

Vedi anche