在运行时通过隐式监控功能检查指针的内存访问 CheckPointer . 本节内容如下 : [...] 数据类型：POINTER TO [...] 变量或功能块实例。 指针声明的语法： <pointer

POU: CheckPointer 指针监控功能（CheckPointer [...] 在实施的标准建议 CheckPointer .您必

VisuFbXYChartGenericVariable.CheckVarPointerIsChanged (METH) ¶ METHOD CheckVarPointer [...] Return CheckVarPointer

IXYChartDataProviderCurveCheckPointer (ITF) ¶ INTERFACE IXYChartDataProviderCurveCheckPointer

IXYChartDataProviderCurveCheckPointer [...] pointer, which holds [...] pointer can be updated

IXYChartDataProviderCurveCheckPointer [...] pointer, which holds [...] pointer can be updated

IXYChartDataProviderCurveCheckPointer ¶ IsDataXPointerChanged (Method) Is

POU: Check [...] FUNCTION Check [...] < lower THEN Check

责用实现代码完全填写此函数。请参阅“POU 'CheckPointer [...] 没有，那么 CheckPointer 应该完成适当的错误处理。 CheckPointer 监视

_IEC_RESULT Check if a pointer [...] SysMemIsValidPointer (FUN) ¶ FUNCTION SysMemIsValidPointer