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1.下面这段话什么意思 ?TDataSet.RecNo如何应用 ?
As implemented in TDataSet, the value of RecNo is always -1. Ordinarily an application does not access RecNo at the TDataSet level. Instead a redeclared and implemented RecNo property in a descendant class such as TTable is accessed. RecNo provides a fallback property for derived datasets that do not support record numbers.(25分)
2.以前用其他工具编程序从来没考虑过释放内存,请告诉我在DELPHI 里全
那些情况需要释放内存???(25分)
As implemented in TDataSet, the value of RecNo is always -1. Ordinarily an application does not access RecNo at the TDataSet level. Instead a redeclared and implemented RecNo property in a descendant class such as TTable is accessed. RecNo provides a fallback property for derived datasets that do not support record numbers.(25分)
2.以前用其他工具编程序从来没考虑过释放内存,请告诉我在DELPHI 里全
那些情况需要释放内存???(25分)