MgErr DSCheckHandle(h);
Verifies that the specified handle is a handle. If it is not a handle, this function returns mZoneErr.
| Name | Type | Description | 
|---|---|---|
| h | Uhandle | Handle you want to verify. | 
MgErr, which can contain the following errors. If you receive errors from LabVIEW Manager functions, most error names correspond to LabVIEW error codes.
| Value | Corresponding Error Code or Description | 
|---|---|
| noErr | No error. | 
| mZoneErr | Handle or pointer not in specified zone. |