CodecsLoadAsyncCompletedEventArgs Class (original) (raw)
Syntax
public class CodecsLoadAsyncCompletedEvent extends CodecsAsyncCompletedEvent class CodecsLoadAsyncCompletedEventArgs(CodecsAsyncCompletedEventArgs): Example
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing;
using Leadtools.ImageProcessing.Color;
using Leadtools.Svg;
public void LoadAsyncCompletedExample()
{
string srcFileName = Path.Combine(LEAD_VARS.ImagesDir, "Image1.cmp");
Uri uri = new Uri(srcFileName);
RasterCodecs codecs = new RasterCodecs();
// Now load the image asynchronously
codecs.LoadAsyncCompleted += new EventHandler<CodecsLoadAsyncCompletedEventArgs>(LoadAsyncCompletedExample_LoadAsyncCompleted);
object rasterImageObject = codecs.LoadAsync(uri, null);
// Notice that the returned rasterImageObject is a RasterImage with IsLoading set to true at this point
// The IsLoading will be false (and hence, the object will be usable) when the LoadAsyncCompleteted
// fires.
}
private void LoadAsyncCompletedExample_LoadAsyncCompleted(object sender, CodecsLoadAsyncCompletedEventArgs e)
{
if (e.Cancelled)
{
Debug.WriteLine("User canceled");
}
else if (e.Error != null)
{
Debug.WriteLine("Error: " + e.Error.Message);
}
else
{
// Everything is OK, get the image
RasterImage image = e.Image;
Debug.WriteLine("Image at {0} loaded OK, size: {1} by {2}", e.Uri, image.Width, image.Height);
image.Dispose();
}
// Unsubscribe to the event and dispose the RasterCodecs object
RasterCodecs codecs = sender as RasterCodecs;
codecs.LoadAsyncCompleted -= new EventHandler<CodecsLoadAsyncCompletedEventArgs>(LoadAsyncCompletedExample_LoadAsyncCompleted);
codecs.Dispose();
}
static class LEAD_VARS
{
public const string ImagesDir = @"C:\LEADTOOLS22\Resources\Images";
}
Leadtools.Codecs Assembly
CompactFile(Stream,Stream,int,int,bool,int,int,bool,int,CodecsSavePageMode,bool,bool) Method
CompactFile(Stream,Stream,int,int,bool,long,int,bool,long,CodecsSavePageMode,bool,bool,bool) Method
CompactFile(string,string,int,int,bool,int,int,bool,int,CodecsSavePageMode,bool,bool) Method
CompactFile(string,string,int,int,bool,long,int,bool,long,CodecsSavePageMode,bool,bool,bool) Method