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Graphics.DrawImage Method (Image, Int32, Int32)

Draws the specified image, using its original physical size, at the location specified by a coordinate pair.

Namespace: System.Drawing
Assembly: System.Drawing (in system.drawing.dll)

public void DrawImage (
	Image image,
	int x,
	int y
)
public void DrawImage (
	Image image, 
	int x, 
	int y
)
public function DrawImage (
	image : Image, 
	x : int, 
	y : int
)
Not applicable.

Parameters

image

Image to draw.

x

The x-coordinate of the upper-left corner of the drawn image.

y

The y-coordinate of the upper-left corner of the drawn image.

Exception typeCondition

ArgumentNullException

image is a null reference (Nothing in Visual Basic).

An Image stores a value for pixel width and a value for horizontal resolution (dots per inch). The physical width, measured in inches, of an image is the pixel width divided by the horizontal resolution. For example, an image with a pixel width of 216 and a horizontal resolution of 72 dots per inch has a physical width of 3 inches. Similar remarks apply to pixel height and physical height.

The DrawImage method draws an image using its physical size, so the image will have its correct size in inches regardless of the resolution (dots per inch) of the display device. For example, suppose an image has a pixel width of 216 and a horizontal resolution of 72 dots per inch. If you call DrawImage to draw that image on a device that has a resolution of 96 dots per inch, the pixel width of the rendered image will be (216/72)*96 = 288.

The following code example is designed for use with Windows Forms, and it requires PaintEventArgse, which is a parameter of the Paint event handler. The code performs the following actions:

  • Creates an image from a JPEG file SampImag.jpg in the folder of the example SampImag.jpg in the folder of the example.

  • Creates the coordinates of a point at which to draw the upper-left corner of the image.

  • Draws the unscaled image.

public void DrawImage2Int(PaintEventArgs e)
{
                
    // Create image.
    Image newImage = Image.FromFile("SampImag.jpg");
                
    // Create coordinates for upper-left corner of image.
    int x = 100;
    int y = 100;
                
    // Draw image to screen.
    e.Graphics.DrawImage(newImage, x, y);
}

public void DrawImage2Int(PaintEventArgs e) 
{
    // Create image.
    Image newImage = Image.FromFile("SampImag.jpg");

    // Create coordinates for upper-left corner of image.
    int x = 100;
    int y = 100;

    // Draw image to screen.
    e.get_Graphics().DrawImage(newImage, x, y);
} //DrawImage2Int

Windows 98, Windows Server 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 Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0, 1.0
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