Determines whether the specified tag or
expression is logically false.
|
Function |
Group |
Execution |
Windows |
Embedded |
Thin Client |
| False
|
Logical |
Synchronous |
Supported |
Supported |
Supported |
Syntax
False(TagOrExpression)
- TagOrExpression
- Tag or expression to be used in the function.
Returned value
| 0 |
If the
tag or expression is not logically
false. |
| 1 |
If the
tag or expression is logically false. |
Tip: You may
find this function useful if you need to return an actual value of
0 when the expression returns some value other than 0.
Examples
|
Tag Name |
Expression |
|
Tag |
False( 1 ) // Returned value =
0 |
|
Tag |
False( 5 < 2 ) // Returned value
= 1 |