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public text v1 · immutable// rdPtr->cp2=="C:\Documents and Settings\Matthew\Desktop\foo"
CString str_cp2=rdPtr->cp2;
rdPtr->ctrim=rdPtr->cp3==1?str_cp2.GetLength()-str_cp2.ReverseFind('\\'):0;
// rdPtr->ctrim==8// rdPtr->cp2=="C:\Documents and Settings\Matthew\Desktop\foo"
CString str_cp2=rdPtr->cp2;
rdPtr->ctrim=rdPtr->cp3==1?str_cp2.GetLength()-str_cp2.ReverseFind('\\'):0;
// rdPtr->ctrim==8