ComponentOne Zip for .NET 2.0
C1.Zip Assembly / C1.Zip Namespace / C1ZipFile Class / Progress Event
Example

In This Topic
    Progress Event
    In This Topic
    Fired while data is being read from or written into a zip file.
    Syntax
    Public Event Progress As ZipProgressEventHandler
    public event ZipProgressEventHandler Progress
    Event Data

    The event handler receives an argument of type ZipProgressEventArgs containing data related to this event. The following ZipProgressEventArgs properties provide information specific to this event.

    PropertyDescription
    CancelSet to true to cancel the current operation.  
    FileLengthGets the length of the file being compressed or expanded.  
    FileLengthLongGets the length of the file being compressed or expanded.  
    FileNameGets the name of the file being compressed or expanded.  
    PositionGets the current position into the stream.  
    PositionLongGets the current position into the stream.  
    Remarks
    This event is typically used to update the application UI during lengthy operations. It can also be used to cancel the operations.
    Example
    The code below writes messages to the output window while the application compresses files. 
    void Compress()
{
	// create zip file
	C1Zip zip = new C1Zip();
	zip.Create(zipFileName);
             
	// connect event handler
	zip.Progress += new ZipProgressEventHandler(zip_Progress);
             
	// add files
	foreach (string fileName in Directory.GetFiles(path, "*.*"))
		zip.Entries.Add(fileName);
}
             
// print messages while files are compressed
void zip_Progress(object sender, ZipProgressEventArgs e)
{
	Console.WriteLine("Compressing {0}, {1:p0} done",
		e.FileName, e.Position/(float)e.FileLength);
}
    See Also

    Reference

    C1ZipFile Class
    C1ZipFile Members