Problems w/ MapScript C#

[Sean Gillies]

On Apr 4, 2005, at 9:09 AM, Mike Saunt wrote:

> Sean
>
> I replied to Ian last night but had hit reply and not reply all hence
> it hadn't come on to the list.  I had a similar problem on a different
> project with the .NET GDI+ locking the image file and the following
> resolved it.
>
> public System.Drawing.Image MapRefresh(int mapHeight, int mapWidth)
> {
>        if (map == null)
>        {
>                return null;
>        }
>        map.height = mapHeight;
>        map.width = mapWidth;
>        MapScriptDotNet.imageObj img = map.draw();
>
>        string sMapImage = @"C:\windows\temp\map.png";
>        img.save(sMapImage,map);
>
>        //we need to load via a memory stream as the GDI+ locks the
> image
>        System.IO.FileStream fs = new System.IO.FileStream(sMapImage,
> FileMode.Open,  FileAccess.Read, FileShare.Read);
>        System.Drawing.Image mapImage =
> System.Drawing.Image.FromStream(fs);
>        fs.Close();
>        fs = null;
>        File.Delete(sMapImage);
>        return mapImage;
>
> }
>
> Hope this helps
>
> Cheers
> Mike Saunt
>
>

Aha!  I have a feeling we are going to discover a few more MapServer
and .NET quirks yet.

cheers,
Se