Expand Minimize

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)

'Declaration
Public Sub DrawImage ( _
	image As Image, _
	x As Integer, _
	y As Integer _
)

Parameters

image
Type: System.Drawing.Image

Image to draw.

x
Type: System.Int32

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

y
Type: System.Int32

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

ExceptionCondition
ArgumentNullException

image is Nothing.

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 PaintEventArgs e, 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 Sub DrawImage2Int(ByVal e As PaintEventArgs)

    ' Create image. 
    Dim newImage As Image = Image.FromFile("SampImag.jpg")

    ' Create coordinates for upper-left corner of image. 
    Dim x As Integer = 100
    Dim y As Integer = 100

    ' Draw image to screen.
    e.Graphics.DrawImage(newImage, x, y)
End Sub

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
Was this page helpful?
(1500 characters remaining)
Thank you for your feedback
Show:
© 2015 Microsoft