PowerBuilder - Disable Copy Paste on a dataWindow

create a event and map to pbm_keydown on a datawindow to disable copy paste (you can customize according to the columns)

boolean lb_1
string ls_colname

lb_1 = true 

IF lb_1 and KeyDown(KeyControl!) and KeyDown(65 ) THEN 

    messageBox("Info","Copy/Paste Disabled")

    ls_colname = this.getcolumnname( )

    If ls_colname ="lanme" then
        messageBox("Info","Copy/Paste Disabled on last name" )
    end if

END IF