评估所需的属性，或进行隐含函式呼叫，就必须评估运算式。
Evaluating the expression would have required evaluating a property or making an implicit function call.
撷取规则可以从栏位、文字、属性、标头、规则运算式和隐藏栏位中撷取。
Extraction rules can extract form fields, text, attributes, headers, regular expressions, and hidden fields.
传回范围的集合(一个集合对一个符合的子运算式)，而且它们的属性都是唯读的。
A collection of ranges is returned, one for each matched subexpression, and their properties are read-only.
每个运算式内容都具有会在堆叠上置放下一个运算式内容的父属性。
Each expression context has a parent property that locates the next expression context on the stack.
您应该对每个要使用资源设定的控制项属性建立运算式。
You should create expressions for every control property that you want to set by using a resource.
您必须提供名称给要以运算式初始化的属性。
You must provide a name to a property that is being initialized with an expression.
资源参考会建立内部运算式，该运算式会以执行阶段延后为基础提供指定的属性值。
The resource reference creates an internal expression that supplies the value of the specified property on a run-time deferred basis.
属性值会如同变数或常数参与运算式的方式参与运算式，或是储存于指派陈述式左边的变数或属性中。
The value of the property participates in the expression just as a variable or constant would, or it is stored in the variable or property on the left side of the assignment statement.
自订运算式编辑器工作表包含多个运算式属性的设计阶段设定，这些属性合起来即可构成运算式字串。
A custom expression editor sheet contains design-time Settings for multiple expression properties, which are combined to form an expression string.
如果物件包含具有运算式(例如资料系结)的相依性属性，则会复制运算式的目前值，而不是运算式本身。
If the object contains dependency properties with expressions (such as a data binding), the current value of the expression is copied but not the expression itself.
如果物件包含具有运算式(例如资料系结)的相依性属性，则会复制运算式的目前值，而不是运算式本身。
If the object contains dependency properties with expressions (such as a data binding), the current value of the expression is copied but not the expression itself.
应用推荐