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version 2003
PA_ClearVariable (aVariable)
| Parameter | Type | Description | |
| aVariable | PA_Variable * |  | Pointer to the variable to clear |
Description
The routine PA_ClearVariable clear the variable pointed to by aVariable, and all its content (data of text, BLOB and picture variables).
After the call, the kind of the variable pointed to by aVariable is set to eVK_Undefined, and the variable can be re-initialized to another kind (PA_CreateVariable, PA_SetxxxVariable).
IMPORTANT NOTE
Do NOT dispose of a variable that belongs to 4th Dimension after a call to PA_GetVariable ie.
Example
Create, use, and dispose of a longint array
PA_Variable arr; arr = PA_CreateVariable(eVK_ArrayLongint, 0); PA_SetArrayNbElements(arr, 100);// make an array of 100 elements /* . . . do something with this array . . . */ // Cleanup PA_CearVariable(&arr);
See Also
No reference.
Error Handling
PA_GetLastError always returns eER_NoErr
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