Function ncplane_box_sized 

pub fn ncplane_box_sized(
    plane: &mut NcPlane,
    ul: &NcCell,
    ur: &NcCell,
    ll: &NcCell,
    lr: &NcCell,
    hline: &NcCell,
    vline: &NcCell,
    len_y: u32,
    len_x: u32,
    boxmask: impl Into<NcBoxMask_u32>,
) -> NcResult_i32

Draws a box with its upper-left corner at the current cursor position, having dimensions len_y * len_x.

The minimum box size is 2x2, and it cannot be drawn off-screen.

See ncplane_box() for more information.

Method: NcPlane.box_sized().