vp_data

Method call snippet vp_data(instance, attr, length);

Return the value of a data attribute.

Parameters

These are the parameters that this method requires:

Parameter	Usage
VPInstance instance	Pointer to the instance this method call is intended for
vp_data_attribute_t attr	Attribute to return value of (defined in VP.h)
int* length	Returns length of the data

Returns

The value of the attribute.

Behavior

If the data attribute has not been set, then NULL will be returned and length is set to 0. If an invalid identifier is passed for attr, then NULL will be returned and length will not be set.

Caveats

This returns a pointer to binary data. Not a null-terminated string.

Examples

This method has no usage examples; please add at least one to this page

See also

• vp_data_set()