.TYPE_CLASS ; // Pointer to the current [...] : POINTER TO BYTE; // Size of the data to

PUBLIC DoIt : BOOL VAR [...] uiNumber : UINT [...] N : UINT; udi

类型 字首 描述 BOOL x 我们 [...] 整数数据类型，16 位 UINT ui 算术 [...] SubIndix: BYTE; xFlag: BOOL

unsigned Type 'UINT' to [...] 1 : UINT := -1; {warning [...] 2 : UINT := -1; END

changes. uiMajor : UINT [...] Minor : UINT; /// The [...] . This is used to

| USINT | INT | UINT [...] #FFFF; xB : BOOL := 0 [...] _VAR // Symbolic bit access to

| BOOL | BYTE | DATE [...] _OF_DAY | UDINT | UINT | ULINT [...] | __XWORD | BIT | BOOL

Alpha : POINTER TO BYTE; // Typed pointer to [...] TO BYTE; // Typed

Scalar : POINTER TO DWORD [...] Init : BOOL := TRUE; xDelete : BOOL; END_VAR IF (x

方法的返回值类型是 BOOL .该值不由系统评估，但不 [...] _Init : BOOL VAR_INPUT bInitRetains : BOOL; // TRUE: the