PaintEventArgs(Graphics, Rectangle) Constructor

Definition

Namespace:

System.Windows.Forms

Assembly:

System.Windows.Forms.dll

Source:

PaintEventArgs.cs

Initializes a new instance of the PaintEventArgs class with the specified graphics and clipping rectangle.

C#

public PaintEventArgs(System.Drawing.Graphics graphics, System.Drawing.Rectangle clipRect);

Parameters

graphics

Graphics

The Graphics used to paint the item.

clipRect

Rectangle

The Rectangle that represents the rectangle in which to paint.

Examples

The following code examples draws lines and text on a PictureBox control.

C#

// This example creates a PictureBox control on the form and draws to it.
// This example assumes that the Form_Load event handler method is
// connected to the Load event of the form.

private PictureBox pictureBox1 = new PictureBox();
// Cache font instead of recreating font objects each time we paint.
private Font fnt = new Font("Arial",10);
private void Form1_Load(object sender, System.EventArgs e)
{
    // Dock the PictureBox to the form and set its background to white.
    pictureBox1.Dock = DockStyle.Fill;
    pictureBox1.BackColor = Color.White;
    // Connect the Paint event of the PictureBox to the event handler method.
    pictureBox1.Paint += new System.Windows.Forms.PaintEventHandler(this.pictureBox1_Paint);

    // Add the PictureBox control to the Form.
    this.Controls.Add(pictureBox1);
}

private void pictureBox1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
{
    // Create a local version of the graphics object for the PictureBox.
    Graphics g = e.Graphics;

    // Draw a string on the PictureBox.
    g.DrawString("This is a diagonal line drawn on the control",
        fnt, System.Drawing.Brushes.Blue, new Point(30,30));
    // Draw a line in the PictureBox.
    g.DrawLine(System.Drawing.Pens.Red, pictureBox1.Left, pictureBox1.Top,
        pictureBox1.Right, pictureBox1.Bottom);
}

Remarks

The Graphics identified by the graphics parameter is disposed when the PaintEventArgs is disposed.

Applies to

See also

• Rectangle
• Graphics