Question

Parameter is not valid. error when using pictureBox.Image

Asked by: Phoebe_Yi

Hi,
I am creating an image by executing this statement,
colourInformation.DisplayImage = ScreenShot.CaptureImage(Point.Empty, Point.Empty, bounds);

in  ScreenShot.CaptureImage (another cs file), I have
public static Bitmap CaptureImage(Point SourcePoint, Point DestinationPoint, Rectangle SelectionRectangle)
        {
            using (Bitmap bitmap = new Bitmap(SelectionRectangle.Width, SelectionRectangle.Height))
            {
                using (Graphics g = Graphics.FromImage(bitmap))
                {
                    g.CopyFromScreen(SourcePoint, DestinationPoint, SelectionRectangle.Size);
                }
                return bitmap;
            }
        }

In DisplayImage (another cs file), I have this to assign value to pictureBox.image,
public Bitmap DisplayImage
{
        set
        {
            this.pictureBox.Image = value;
        }
}

but when i run the program i'm getting the error, "Paramter is not valid."
this.pictureBox.Image = value;
Any ideas on how to debug this???

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Asked On
2008-04-18 at 12:56:30ID23335409
Tags

c#

Topics

Microsoft Visual C#.Net

,

.NET

Participating Experts
1
Points
50
Comments
5

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Answers

 

by: GreenGhostPosted on 2008-04-18 at 13:09:09ID: 21389198

As you have put the bitmap in a using clause, it will be disposed before it's returned from the method.

public static Bitmap CaptureImage(Point SourcePoint, Point DestinationPoint, Rectangle SelectionRectangle)
        {
            Bitmap bitmap = new Bitmap(SelectionRectangle.Width, SelectionRectangle.Height);
            using (Graphics g = Graphics.FromImage(bitmap))
            {
                g.CopyFromScreen(SourcePoint, DestinationPoint, SelectionRectangle.Size);
            }
            return bitmap;
        }
                                              
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by: Phoebe_YiPosted on 2008-04-18 at 19:32:43ID: 21390899

so is there any method I can return the created bitmap?

 

by: GreenGhostPosted on 2008-04-18 at 20:53:53ID: 21391110

Eh?

I posted the code for that...

20120131-EE-VQP-002

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