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Table of Contents
4. Standard Units
4.67. System - Built-in routines
4.67.2. System Unit Procedures and Functions
4.67.2.44. IOResult function
4.67.2.44. IOResult function
Targets: MS-DOS, OS/2, Win32
System Unit
Returns the status of the last I/O operation performed.
Return zero (0) if successful.
Declaration:
function IOResult: Integer;
Remarks:
I/O-checking must be off {$I-} to trap I/O errors using IOResult.
If an I/O error occurs and I/O-checking is off, all subsequent I/O operations
are ignored until a call is made to IOResult. A call to IOResult
clears the internal error flag. A call to IOResult clears its internal
error flag. I/O-checking must be off {$I-}.
See also:
{$I} - I/O Checking Switch
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