в 15:31, 26 мая 2010

2010-05-26T15:31:53Z

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2010-05-26T12:15:07Z

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==FormPaint Event==

<source lang="csharp">using System;
using System.Drawing;
using System.Windows.Forms;
public class FormPaintEvent : Form
{
public FormPaintEvent()
{
Size = new Size(300,200);
Paint += new PaintEventHandler(PaintHandler);
}
static void Main()
{
Application.Run(new FormPaintEvent());
}
private void PaintHandler(object sender, PaintEventArgs e)
{
Graphics g = e.Graphics;
g.DrawString("www.nfex.ru", Font, Brushes.Black, 50, 75);
}
}</source>

==Override Paint method for Form==

<source lang="csharp">using System;
using System.Drawing;
using System.Windows.Forms;
public class FormPaintOverride : Form
{
public FormPaintOverride()
{
Text = "Paint Demonstration";
Size = new Size(300,200);
}
static void Main()
{
Application.Run(new FormPaintOverride());
}
protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
Graphics g = e.Graphics;
g.DrawString("www.nfex.ru", Font, Brushes.Black, 50, 75);
}
}</source>

==Paint Invalidate Demonstration==

<source lang="csharp">using System;
using System.Drawing;
using System.Windows.Forms;
public class PaintInvalidate : Form
{
private Button btn;
public PaintInvalidate()
{
Size = new Size(300,200);
btn = new Button();
btn.Parent = this;
btn.Location = new Point(25,25);
btn.Text = "Update";
btn.Click += new System.EventHandler(btn_Click);
}
static void Main()
{
Application.Run(new PaintInvalidate());
}
protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
Graphics g = e.Graphics;
String str = "\nThe time is " + DateTime.Now.ToLongTimeString();
g.DrawString(str, Font, Brushes.Black, 50, 75);
}
private void btn_Click(object sender, EventArgs e)
{
Invalidate();
}
}</source>

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Csharp/CSharp Tutorial/GUI Windows Forms/Form Paint - История изменений

в 15:31, 26 мая 2010

Admin: 1 версия