This function registers an expression function defined by a plugin, so that users can use it in expressions. All arguments are integer type.
bool _plugin_registerexprfunction(
int pluginHandle, //plugin handle
const char* name, //name of expresison function
int argc, //number of arguments
CBPLUGINEXPRFUNCTION cbFunction, //callback function
void* userdata //user data
);
- pluginHandle
Handle of the calling plugin.
- name
Name of expresison function.
- argc
Number of arguments of expression function.
- cbFunction
Callback with the following typdef:
typedef duint(*CBPLUGINEXPRFUNCTION)(int argc, const duint* argv, void* userdata);
- userdata
A pointer value passed to the callback, may be used by plugin to pass additional information.
Return true when the registration is successful, otherwise return false.