Indy9 is much stable than Indy10, Indy9 is still updated, Indy10 bugs, INDY's latest version is INDY V9.0.18 for D7 installation INDY V9.0.18 In order not to conflict with Delphi, please use Windows to delete the program, need Delphi7 Original, then delete indey, then install INDY V9.0.18. Indy9 Demo is here there is downloaded. http://www.projectindy.org/demos/index.iwp
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IDHTTPCLIENT If you need SSL's things, the client can place the IDSSLioHandlersocket component, then download SSLAY32.DLL, LIBLEAY32.DLL to the official website, you can access the HTTPS website.
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The latest Indy10 can be based on the fiber API on Win32. What is the Fiber API, here is an explanation: fiber - a lightweight thread processing object from 32-bit version of Windows® - Many scenarios are useful. Since the thread is a valuable resource, you sometimes do not want to specifically use the entire OS thread to perform simple tasks. Through the fiber, you can control the scheduling of the task more strictly than the thread, because you are instead of the OS responsible for managing them. Since they have less overhead, they are more fast when you switch contexts. In addition, because of your control, it is often possible to track synchronization problems more easily for them. However, this feature is now only useful for Delphi7.