Graphics.Dispose Method ()

 

Releases all resources used by this Graphics.

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

Public Sub Dispose

Calling Dispose allows the resources used by this Graphics to be reallocated for other purposes.

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 graphics file SampImag.jpg in the example directory.

  • Creates a Graphics from the Image.

  • Alters the image by filling a rectangle within it.

  • Draws the Image to the screen.

  • Releases the created Graphics.

Private Sub FromImageImage1(ByVal e As PaintEventArgs)

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

    ' Create graphics object for alteration.
    Dim newGraphics As Graphics = Graphics.FromImage(imageFile)

    ' Alter image.
    newGraphics.FillRectangle(New SolidBrush(Color.Black), 100, _
    50, 100, 100)

    ' Draw image to screen.
    e.Graphics.DrawImage(imageFile, New PointF(0.0F, 0.0F))

    ' Dispose of graphics object.
    newGraphics.Dispose()
End Sub

.NET Framework
Available since 1.1
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