Input Parameters | Significance |
DtvLong idm | mask Id |
Output Parameters | Significance |
no | - |
Return Code | Significance |
0 | mask exists |
1 | mask does not exist |
Use this function to check the existence of a mask whenever you want to apply program functions to an object but are not sure whether the object still exists in local memory.
Attention!
Applying a program function to a non-existent object can result in a system crash.