private void EnableGlass() { if (GlassEnabled) { DavuxLib.Win32API.DwmAPI.MARGINS GlassMargins = new DavuxLib.Win32API.DwmAPI.MARGINS(); if (SheetEffect) { GlassMargins.topHeight = GlassMargins.leftWidth = GlassMargins.rightWidth = GlassMargins.bottomHeight = -1; } else { GlassMargins.leftWidth = GlassArea.Left; GlassMargins.rightWidth = GlassArea.Right; GlassMargins.bottomHeight = GlassArea.Bottom; GlassMargins.topHeight = GlassArea.Top; } DavuxLib.Win32API.DwmAPI.DwmExtendFrameIntoClientArea(this, GlassMargins); } }