一、设置Richedit行间距
pRich = static_cast<CRichEditUI*>(m_PaintManager.FindControl(_T("logedit")));
LONG lineSpace = (LONG)(X * 20);//X为要设置的行间距
PARAFORMAT2 pf;
ZeroMemory(&pf, sizeof(pf));
pf.cbSize = sizeof(PARAFORMAT2);
pf.dwMask |= PFM_LINESPACING;
pf.bLineSpacingRule = 4;
pf.dyLineSpacing = lineSpace;
pRich->SetParaFormat(pf);
小于一倍行间距 pf.bLineSpacingRule = 4, pf.bLineSpacingRule 可以是1~5