The following table tells you which KcsIO member functions you must override and can override. The member functions indicated with an "X" in the Must column are required to derive successfully from this base class. Others can be used and not overridden.
Table 2-4 KcsIO Member Function Override Rules
Member Function |
Override Rules |
|
---|---|---|
Must |
Can |
|
getEOF() |
X |
|
getType() |
X |
|
isEqual() |
X |
|
KcsIO() |
X |
|
~KcsIO() |
|
X |
relRead() |
X |
|
relWrite() |
X |
|
setCursorPos() |
X |
|
setEOF() |
X |
|
setOffset() |
|
X |