4 references to IsNull
PresentationCore (4)
Core\CSharp\MS\Internal\Shaping\OpenTypeLayout.cs (4)
420
if (!gsubScript.IsNull && !gsubScript.FindLangSys(gsubTable,LangSysTag).
IsNull
)
438
if (!gposScript.IsNull && !gposScript.FindLangSys(gposTable,LangSysTag).
IsNull
)
954
if (LangSys.
IsNull
) {return OpenTypeLayoutResult.LangSysNotFound;}
1037
if (LangSys.
IsNull
) {return OpenTypeLayoutResult.LangSysNotFound;}