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Evaluates its argument.
If the result is 0, the macro prints a diagnostic message and aborts the program. If the condition is nonzero, it does nothing.
The diagnostic message has the form
assertion failed in file <name> in line <num>
where name is the name of the source file, and num is the line number of the assertion that failed in the source file.
In the Release version of MFC, ASSERT does not evaluate the expression and thus will not interrupt the program. If the expression must be evaluated regardless of environment, use the VERIFY macro in place of ASSERT.
This function is available only in the Debug version of MFC.