set_mapped
  
  Description:
  [ 
Version ( since = 
"2.20" ) ]
public void set_mapped (
bool mapped)
  
 
  
    Marks the widget as being mapped.
    This function should only ever be called in a derived widget's “map” or “unmap” implementation.
    Parameters:
    
      
        | this | 
        
           a Widget 
         | 
      
      
        | mapped | 
        
           true to mark the widget as mapped 
         |