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Graphics.DrawImage Method (Image, Rectangle, Int32, Int32, Int32, Int32, GraphicsUnit)

Draws the specified portion of the specified Image at the specified location and with the specified size.

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

'Declaration
Public Sub DrawImage ( _
	image As Image, _
	destRect As Rectangle, _
	srcX As Integer, _
	srcY As Integer, _
	srcWidth As Integer, _
	srcHeight As Integer, _
	srcUnit As GraphicsUnit _
)

Parameters

image
Type: System.Drawing.Image

Image to draw.

destRect
Type: System.Drawing.Rectangle

Rectangle structure that specifies the location and size of the drawn image. The image is scaled to fit the rectangle.

srcX
Type: System.Int32

The x-coordinate of the upper-left corner of the portion of the source image to draw.

srcY
Type: System.Int32

The y-coordinate of the upper-left corner of the portion of the source image to draw.

srcWidth
Type: System.Int32

Width of the portion of the source image to draw.

srcHeight
Type: System.Int32

Height of the portion of the source image to draw.

srcUnit
Type: System.Drawing.GraphicsUnit

Member of the GraphicsUnit enumeration that specifies the units of measure used to determine the source rectangle.

ExceptionCondition
ArgumentNullException

image is Nothing.

The srcX, srcY, srcWidth, and srcHeight parameters specify a rectangular portion, of the image object to draw. The rectangle is relative to the upper-left corner of the source image. This portion is scaled to fit inside the rectangle specified by the destRect parameter.

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 a destination rectangle in which to draw the image.

  • Creates the coordinates of a source rectangle from which to extract a portion of the image.

  • Sets the unit of measure of the source rectangle to pixels.

  • Draws the image to the screen.

The position of the destination rectangle locates the image on the screen, and the sizes of the source and destination rectangles determine the scaling of the drawn image, and the size of the source rectangle determines what portion of the original image is drawn to the screen.

Private Sub DrawImageRect4Int(ByVal e As PaintEventArgs)

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

    ' Create rectangle for displaying image. 
    Dim destRect As New Rectangle(100, 100, 450, 150)

    ' Create coordinates of rectangle for source image. 
    Dim x As Integer = 50
    Dim y As Integer = 50
    Dim width As Integer = 150
    Dim height As Integer = 150
    Dim units As GraphicsUnit = GraphicsUnit.Pixel

    ' Draw image to screen.
    e.Graphics.DrawImage(newImage, destRect, x, y, width, height, _
    units)
End Sub

.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.

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