MQL4参考 数组函数 ArrayDimension
Returns the multidimensional array rank.
int ArrayDimension( void& array[] // array );
Parameters
array[]
[in] Array for which the rank will be returned.
Returned value
Rank (dimension) of multidimensional array or -1 if error.
Example:
void OnStart() { int num_array[10][5]; int dim_size=ArrayDimension(num_array);// dim_size=2 Print("Dimension of num_array=",dim_size); }