It's my first article on The Code Project. Please excuse my English.
This article describes how to read the header of the flash file. (This file has the extension .swf )
The Format Header SWF is described in this link.
You can also read a good article on SWF which describes the library SwfDotNet.
I wrote this article for myself and for people who want small source code.
To read this header, I translate PHP code to C#. The original source code in PHP is at this address.
This is the code of a class which can provide information of the Swf Flash:
Warning, this class doesn't work with the compressed Flash File.
Using the Code
The name of the class is
FlashHeaderReader and takes for the constructor a parameter, the filename of the flash file.
It calls these methods:
Later, you can access the properties of the swf file :
FlashHeaderReader swfreader = new FlashHeaderReader(openFileDialog1.FileName);
listBox1.Items.Add("Frames : " + swfreader.FrameCount);
listBox1.Items.Add("Width : " + swfreader.Width );
listBox1.Items.Add("Height : " + swfreader.Height);
Points of Interest
ReadFrameSize is complex because the swf format also compresses the header and information has a different size.
- 10th August, 2007: Initial post
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