SetDrawDashedGrid
SetDrawDashedGrid — Use solid or dashed lines for the grid
Synopsis
$plot->SetDrawDashedGrid($ddg)
    
Description
SetDrawDashedGrid determines whether the grid
will be drawn with solid or dashed lines. The default is to used
dashed lines.
    
Parameters
- $ddg
- 
True to use dashed lines, False to use solid lines.