TableLayoutPanel.OnCellPaint(TableLayoutCellPaintEventArgs) Method
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.
Receives a call when the cell should be refreshed.
protected:
virtual void OnCellPaint(System::Windows::Forms::TableLayoutCellPaintEventArgs ^ e);
C#
protected virtual void OnCellPaint(System.Windows.Forms.TableLayoutCellPaintEventArgs e);
abstract member OnCellPaint : System.Windows.Forms.TableLayoutCellPaintEventArgs -> unit
override this.OnCellPaint : System.Windows.Forms.TableLayoutCellPaintEventArgs -> unit
Protected Overridable Sub OnCellPaint (e As TableLayoutCellPaintEventArgs)
A TableLayoutCellPaintEventArgs that provides data for the event.
The following code example demonstrates how to override the OnCellPaint method to create a custom appearance for a cell.
C#
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
Продукт | Версії |
---|---|
.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 |
Співпраця з нами на GitHub
Джерело цього вмісту можна знайти на GitHub, де також можна створювати й переглядати запитання та запити на внесення змін. Докладні відомості наведено в нашому посібнику для співавторів.
Відгук про .NET
.NET – це проект із відкритим кодом. Виберіть посилання, щоб надати відгук: