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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
always returns
eER_NoErr