Export (0) Print
Expand All
Expand Minimize

Graphics.DrawImage Method (Image, Single, Single)

Draws the specified Image, using its original physical size, at the specified location.

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

member DrawImage : 
        image:Image * 
        x:float32 * 
        y:float32 -> unit

Parameters

image
Type: System.Drawing.Image

Image to draw.

x
Type: System.Single

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

y
Type: System.Single

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

ExceptionCondition
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.

This 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 this method 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.

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

  • Draws the unscaled image to the screen.

No code example is currently available or this language may not be supported.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Show:
© 2014 Microsoft