From: http://www.evget.com/zh-CN/Info/catalog/17327.html
The essential PDF component in the essential studio reporting edition control is a. Net Library that can generate Adobe PDF files from your data. It has a mature object model that allows you to easily create PDF files in any. NET language. It does not depend on any external conditions. It can easily process PDF file objects.
You can use the close method to process PDF objects. Note: If this object is not closed, you cannot use the same document again for any other operations.
Close method to release common memory. The overload parameter is set to true [close (true)] to release the entire document stream, which can be reused.
[C #]
// Release the common resources.
Using Doc. Close ();
// (OR)
// Releases Document Stream. This releases the entire document.
Optional Doc. Close (true );
[VB. NET]
'Release the common resources.
Export Doc. Close ()
'(OR)
'Releases Document Stream. This releases the entire document.
Export Doc. Close (true)