False
- Last UpdatedOct 29, 2026
- 1 minute read
Determines whether the specified tag or expression is logically false.
|
Function |
Group |
Execution |
String Exp. |
Windows |
Windows Embedded |
IoT View |
Thin Clients |
Mobile Access |
|---|---|---|---|---|---|---|---|---|
|
False |
Logical |
Synchronous |
Yes |
Supported |
Supported |
Supported |
Supported |
Supported |
Syntax
False ( TagOrExpression )
TagOrExpression
Tag or expression to be used in the function.
Return 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 |