描述
This function can be used to set a rectangular region of a given grid to a specified value (which can be either a real or a string) as illustrated by the image shown below:
语法：
ds_grid_set_region(index, x1, y1, x2, y2, val);
| 参数 | 描述 |
|---|---|
| index | 栅格的索引 |
| x1 | 栅格内区域左端x位置。 |
| y1 | 栅格内区域顶端的y位置。 |
| x2 | 栅格内区域右端x位置。 |
| y2 | 栅格内区域底端的y位置。 |
| val | The value to set the region cells to. |
返回：
N/A（无返回值）
例如：
ds_grid_set_region(grid, 5, 5, 10, 10, 99)
This would set all cells within the region of the grid indexed in the variable "grid" from (5,5) to (10,10) to 99.