RichViewEdit内容间距的设置？

Question

网上关于RichViewEdit的资料好像比较少
如何像word一样设置其内容字段的间距,这个问题困了好久喽
看来只有找妖哥帮忙了(C++Builder)

Answer 1

var
  i:Integer;
  pf2:   ParaFormat2;
begin
    FillChar(pf2,   SizeOf(pf2),   0);
    pf2.cbSize   :=   SizeOf(PARAFORMAT2);
    pf2.dwMask   :=   PFM_LINESPACING;
    pf2.dyLineSpacing   :=   300;
    pf2.bLineSpacingRule:=4;
    RichEdit1.SelectAll;
    SendMessage(RichEdit1.Handle,   EM_SETPARAFORMAT,   0,   Longint(@pf2));
end;