<html><head><metahttp-equiv="X-UA-Compatible"content="IE=edge"/><linkrel="shortcut icon"href="../icons/favicon.ico"/><linkrel="stylesheet"type="text/css"href="../styles/branding.css"/><linkrel="stylesheet"type="text/css"href="../styles/branding-en-US.css"/><scripttype="text/javascript"src="../scripts/branding.js"></script><metahttp-equiv="Content-Type"content="text/html; charset=UTF-8"/><title>MainWindow Properties</title><metaname="Language"content="en-us"/><metaname="System.Keywords"content="MainWindow class, properties"/><metaname="Microsoft.Help.Id"content="Properties.T:butterflow_ui.MainWindow"/><metaname="Microsoft.Help.ContentType"content="Reference"/><metaname="BrandingAware"content="true"/><metaname="container"content="butterflow_ui"/><metaname="file"content="8853bb14-1eb9-dfec-a3ab-28964240023f"/><metaname="guid"content="8853bb14-1eb9-dfec-a3ab-28964240023f"/><linkrel="stylesheet"type="text/css"href="../styles/branding-Website.css"/><scripttype="text/javascript"src="../scripts/jquery-3.3.1.min.js"></script><scripttype="text/javascript"src="../scripts/branding-Website.js"></script><scripttype="text/javascript"src="../scripts/clipboard.min.js"></script></head><bodyonload="OnLoad('cs')"><inputtype="hidden"id="userDataCache"class="userDataStyle"/><divclass="pageHeader"id="PageHeader">A Sandcastle Documented Class Library<formid="SearchForm"method="get"action="#"onsubmit="javascript:TransferToSearchPage(); return false;"><inputid="SearchTextBox"type="text"maxlength="200"/><buttonid="SearchButton"type="submit"></button></form></div><divclass="pageBody"><divclass="leftNav"id="leftNav"><divid="tocNav"><divclass="toclevel0"data-toclevel="0"><aclass="tocCollapsed"onclick="javascript: Toggle(this);"href="#!"/><adata-tochassubtree="true"href="../html/e151fc72-f3cc-1740-7ea1-73c21ce1fa93.htm"title="A Sandcastle Documented Class Library"tocid="roottoc">A Sandcastle Documented Class Library</a></div><divclass="toclevel0"data-toclevel="0"><aclass="tocCollapsed"onclick="javascript: Toggle(this);"href="#!"/><adata-tochassubtree="true"href="../html/e151fc72-f3cc-1740-7ea1-73c21ce1fa93.htm"title="butterflow_ui"tocid="e151fc72-f3cc-1740-7ea1-73c21ce1fa93">butterflow_ui</a></div><divclass="toclevel0"data-toclevel="0"><aclass="tocCollapsed"onclick="javascript: Toggle(this);"href="#!"/><adata-tochassubtree="true"href="../html/7ae7656b-c378-ab3d-9af4-1be26a4a3904.htm"title="MainWindow Class"tocid="7ae7656b-c378-ab3d-9af4-1be26a4a3904">MainWindow Class</a></div><divclass="toclevel1 current"data-toclevel="1"data-childrenloaded="true"><aclass="tocExpanded"onclick="javascript: Toggle(this);"href="#!"/><adata-tochassubtree="true"href="../html/8853bb14-1eb9-dfec-a3ab-28964240023f.htm"title="MainWindow Properties"tocid="8853bb14-1eb9-dfec-a3ab-28964240023f">MainWindow Properties</a></div><divclass="toclevel2"data-toclevel="2"><adata-tochassubtree="false"href="../html/71dbe8e5-6340-d797-bcea-762b9a7fff03.htm"title="ButterflowWrapper Property "tocid="71dbe8e5-6340-d797-bcea-762b9a7fff03">ButterflowWrapper Property </a></div><divclass="toclevel2"data-toclevel="2"><adata-tochassubtree="false"href="../html/54f215a0-e027-2805-b2d9-bd132a4f2b9f.htm"title="OptionsConfiguration Property "tocid="54f215a0-e027-2805-b2d9-bd132a4f2b9f">OptionsConfiguration Property </a></div></div><divid="tocResizableEW"onmousedown="OnMouseDown(event);"></div><divid="TocResize"class="tocResize"><imgid="ResizeImageIncrease"src="../icons/TocOpen.gif"onclick="OnIncreaseToc()"alt="Click or drag to resize"title="Click or drag to resize"/><imgid="ResizeImageReset"src="../icons/TocClose.gif"style="display:none"onclick="OnResetToc()"alt="Click or drag to resize"title="Click or drag to resize"/></div></div><divclass="topicContent"id="TopicContent"><tableclass="titleTable"><tr><tdclass="titleColumn"><h1>MainWindow Properties</h1></td></tr></table><spanclass="introStyle"></span><p>The <ahref="7ae7656b-c378-ab3d-9af4-1be26a4a3904.