Structured Exception Handling
Structured exception handling (SEH) is a method of error handling that enables your application to recover gracefully from otherwise fatal error conditions. In Delphi 1, exceptions were implemented in the Object Pascal language, but starting in Delphi 2, exceptions are a part of the Win32 API. What makes Object Pascal exceptions easy to use is that they're just classes that happen to contain information about the location and nature of a particular error. This makes exceptions as easy to implement and use in your applications as any other class.
Delphi contains predefined exceptions for common program-error conditions, such as out of memory, divide by zero, numerical overflow and underflow, and file I/O errors. Delphi ...
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