<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>ButterflowSubregion Class</title><metaname="Language"content="en-us"/><metaname="System.Keywords"content="ButterflowSubregion class"/><metaname="System.Keywords"content="butterflow_ui.ButterflowSubregion class"/><metaname="Microsoft.Help.F1"content="butterflow_ui.ButterflowSubregion"/><metaname="Microsoft.Help.Id"content="T:butterflow_ui.ButterflowSubregion"/><metaname="Description"content="A butterflow video subregion. Represents a snippet of a video on which butterflow will act."/><metaname="Microsoft.Help.ContentType"content="Reference"/><metaname="BrandingAware"content="true"/><metaname="container"content="butterflow_ui"/><metaname="file"content="c0e400bb-1bb1-4eb0-ec46-a134802bb550"/><metaname="guid"content="c0e400bb-1bb1-4eb0-ec46-a134802bb550"/><linktype="text/css"rel="stylesheet"href="../styles/highlight.css"/><scripttype="text/javascript"src="../scripts/highlight.js"></script><linkrel="stylesheet"type="text/css"href="../styles/branding-Website.css"/><scripttype="text/javascript"src="../scripts/jquery-3.5.1.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="toclevel1 current"data-toclevel="1"data-childrenloaded="true"><aclass="tocExpanded"onclick="javascript: Toggle(this);"href="#!"/><adata-tochassubtree="true"href="../html/c0e400bb-1bb1-4eb0-ec46-a134802bb550.htm"title="ButterflowSubregion Class"tocid="c0e400bb-1bb1-4eb0-ec46-a134802bb550">ButterflowSubregion Class</a></div><divclass="toclevel2"data-toclevel="2"><adata-tochassubtree="false"href="../html/9aaf8814-a9be-c775-226d-998529c5f8d7.htm"title="ButterflowSubregion Constructor "tocid="9aaf8814-a9be-c775-226d-998529c5f8d7">ButterflowSubregion Constructor </a></div><divclass="toclevel2"data-toclevel="2"><aclass="tocCollapsed"onclick="javascript: Toggle(this);"href="#!"/><adata-tochassubtree="true"href="../html/a40e23e6-9c50-5e59-6333-f62782ef9f39.htm"title="ButterflowSubregion Properties"tocid="a40e23e6-9c50-5e59-6333-f62782ef9f39">ButterflowSubregion Properties</a></div><divclass="toclevel2"data-toclevel="2"><adata-tochassubtree="false"href="../html/fafb4b0f-a28a-5a5a-6c8f-065427520b4a.htm"title="ButterflowSubregion Methods"tocid="fafb4b0f-a28a-5a5a-6c8f-065427520b4a">ButterflowSubregion Methods</a></div><divclass="toclevel2"data-toclevel="2"><adata-tochassubtree="false"href="../html/d0c347a1-95fe-1844-5195-811f4794ee35.htm"title="ButterflowSubregion Events"tocid="d0c347a1-95fe-1844-5195-8
<spanclass="keyword">public</span><spanclass="keyword">class</span><spanclass="identifier">ButterflowSubregion</span> : <spanclass="identifier">PropertyChangedAlerter</span></pre></div></div></div><scripttype="text/javascript">AddLanguageTabSet("ID1EACA");</script></div><p>The <spanclass="selflink">ButterflowSubregion</span> type exposes the following members.</p><divclass="collapsibleAreaRegion"><spanclass="collapsibleRegionTitle"onclick="SectionExpandCollapse('ID3RB')"onkeypress="SectionExpandCollapse_CheckKey('ID3RB', event)"tabindex="0"><imgid="ID3RBToggle"class="collapseToggle"src="../icons/SectionExpanded.png"/>Constructors</span></div><divid="ID3RBSection"class="collapsibleSection"><tableclass="members"id="constructorList"><tr><thclass="iconColumn">
</th><th>Name</th><th>Description</th></tr><trdata="public;declared;notNetfw;"><td><imgsrc="../icons/pubmethod.gif"alt="Public method"title="Public method"/></td><td><ahref="9aaf8814-a9be-c775-226d-998529c5f8d7.htm">ButterflowSubregion</a></td><td><divclass="summary">Initializes a new instance of the <spanclass="selflink">ButterflowSubregion</span> class</div></td></tr></table><ahref="#PageHeader">Top</a></div><divclass="collapsibleAreaRegion"><spanclass="collapsibleRegionTitle"onclick="SectionExpandCollapse('ID4RB')"onkeypress="SectionExpandCollapse_CheckKey('ID4RB', event)"tabindex="0"><imgid="ID4RBToggle"class="collapseToggle"src="../icons/SectionExpanded.png"/>Properties</span></div><divid="ID4RBSection"class="collapsibleSection"><tableclass="members"id="propertyList"><tr><thclass="iconColumn">
</th><th>Name</th><th>Description</th></tr><trdata="public;declared;notNetfw;"><td><imgsrc="../icons/pubproperty.gif"alt="Public property"title="Public property"/></td><td><ahref="bd86cc5c-f5bd-af92-2244-7bd87550c0e5.htm">End</a></td><td><divclass="summary"> Gets or sets the end of the subregion. </div></td></tr><trdata="public;declared;notNetfw;"><td><imgsrc="../icons/pubproperty.gif"alt="Public property"title="Public property"/></td><td><ahref="25147637-5cad-bfa3-7ac3-68997e99e351.htm">Identifier</a></td><td><divclass="summary"> Gets a unique identifier used to locate this subregion withing a subregion collection. </div></td></tr><trdata="public;declared;notNetfw;"><td><imgsrc="../icons/pubproperty.gif"alt="Public property"title="Public property"/></td><td><ahref="a881f3fc-6b17-9df8-75b6-a4fb44cc9991.htm">Start</a></td><td><divclass="summary"> Gets or sets the start of the subregion. </div></td></tr><trdata="public;declared;notNetfw;"><td><imgsrc="../icons/pubproperty.gif"alt="Public property"title="Public property"/></td><td><ahref="a3f633e6-1123-0b13-91a2-0bbcd4cb672a.htm">SubregionType</a></td><td><divclass="summary"> Gets or sets the operation to be performed on the subregion. </div></td></tr><trdata="public;declared;notNetfw;"><td><imgsrc="../icons/pubproperty.gif"alt="Public property"title="Public property"/></td><td><ahref="e5cace0e-19fd-680f-7849-355994e9f76e.htm">ToEnd</a></td><td><divclass="summary"> Gets or sets a value indicating whether the subregion runs to the end of the video. </div></td></tr><trdata="public;declared;notNetfw;"><td><imgsrc="../icons/pubproperty.gif"alt="Public property"title="Public property"/></td><td><ahref="3c0eaca3-8818-0101-3aaf-6742fe42e6ba.htm">Value</a></td><td><divclass="summary"> Gets or sets the targeted value of the subregion. </div></td></tr></table><ahref="#PageHeader">Top</a></div><divclass="collapsibleAreaRegion"><spanclass="collapsibleRegionTitle"onclick="SectionExpandCollapse('ID5RB')"onkeypress="SectionExpandCollapse_CheckKey('ID5RB', event)"tabindex="0"><imgid="ID5RBToggle"class="collapseToggle"src="../icons/SectionExpanded.png"/>Methods</span></div><divid="ID5RBSection"class="collapsibleSection"><tableclass="members"id="methodList"><tr><thclass="iconColumn">
</th><th>Name</th><th>Description</th></tr><trdata="public;inherited;notNetfw;"><td><imgsrc="../icons/pubmethod.gif"alt="Public method"title="Public method"/></td><td><ahref="94283020-fd41-a0ab-0e86-5d285dc72cff.htm">AddConstantCallProperty</a></td><td><divclass="summary"> Adds a property that will always be called when any property is updated.. </div> (Inherited from <ahref="229e6869-f14d-a176-5ac6-d0d28dc43a71.htm">PropertyChangedAlerter</a>.)</td></tr><trdata="protected;inherited;notNetfw;"><td><imgsrc="../icons/protmethod.gif"alt="Protected method"title="Protected method"/></td><td><ahref="f4ce3949-e7fd-ce94-51cc-3c3698c097b5.htm">OnAllPropertiesChanged</a></td><td><divclass="summary"> Executes when all properties are changed and should be updated. </div> (Inherited from <ahref="229e6869-f14d-a176-5ac6-d0d28dc43a71.htm">PropertyChangedAlerter</a>.)</td></tr><trdata="protected;inherited;notNetfw;"><td><imgsrc="../icons/protmethod.gif"alt="Protected method"title="Protected method"/><imgsrc="../icons/CodeExample.png"alt="Code example"title="Code example"/></td><td><ahref="eedea241-4ddb-bac9-5717-c691ef57e6ea.htm">OnPropertyChanged</a></td><td><divclass="summary">
Executes the property changed action. This alerts subscribers to its change in value.
</div> (Inherited from <ahref="229e6869-f14d-a176-5ac6-d0d28dc43a71.htm">PropertyChangedAlerter</a>.)</td></tr></table><ahref="#PageHeader">Top</a></div><divclass="collapsibleAreaRegion"><spanclass="collapsibleRegionTitle"onclick="SectionExpandCollapse('ID6RB')"onkeypress="SectionExpandCollapse_CheckKey('ID6RB', event)"tabindex="0"><imgid="ID6RBToggle"class="collapseToggle"src="../icons/SectionExpanded.png"/>Events</span></div><divid="ID6RBSection"class="collapsibleSection"><tableclass="members"id="eventList"><tr><thclass="iconColumn">
</th><th>Name</th><th>Description</th></tr><trdata="public;inherited;notNetfw;"><td><imgsrc="../icons/pubevent.gif"alt="Public event"title="Public event"/></td><td><ahref="2bc00061-8840-fad4-50b6-7b7fad95336c.htm">PropertyChanged</a></td><td><divclass="summary"> Occurs when a property value changes. </div> (Inherited from <ahref="229e6869-f14d-a176-5ac6-d0d28dc43a71.htm">PropertyChangedAlerter</a>.)</td></tr></table><ahref="#PageHeader">Top</a></div><divclass="collapsibleAreaRegion"><spanclass="collapsibleRegionTitle"onclick="SectionExpandCollapse('ID7RB')"onkeypress="SectionExpandCollapse_CheckKey('ID7RB', event)"tabindex="0"><imgid="ID7RBToggle"class="collapseToggle"src="../icons/SectionExpanded.png"/>Fields</span></div><divid="ID7RBSection"class="collapsibleSection"><tableclass="members"id="fieldList"><tr><thclass="iconColumn">
</th><th>Name</th><th>Description</th></tr><trdata="private;declared;notNetfw;"><td><imgsrc="../icons/privfield.gif"alt="Private field"title="Private field"/></td><td><ahref="0828f0f7-9015-2ed8-a635-fdc316c414b3.htm">end</a></td><td><divclass="summary"> The end of the subregion. </div></td></tr><trdata="private;declared;notNetfw;"><td><imgsrc="../icons/privfield.gif"alt="Private field"title="Private field"/></td><td><ahref="542d3983-0d33-8f33-0eb9-f2a8f05b59c1.htm">identifier</a></td><td><divclass="summary"> A unique identifier used to locate this subregion withing a subregion collection. </div></td></tr><trdata="private;declared;notNetfw;"><td><imgsrc="../icons/privfield.gif"alt="Private field"title="Private field"/></td><td><ahref="26aa70fb-5f49-52e3-d1ab-02cab3f94fdb.htm">start</a></td><td><divclass="summary"> The start of the subregion. </div></td></tr><trdata="private;declared;notNetfw;"><td><imgsrc="../icons/privfield.gif"alt="Private field"title="Private field"/></td><td><ahref="392e3793-d7df-16b9-12f9-2ea84d7b294b.htm">subregionType</a></td><td><divclass="summary"> Type of opersion to perform on the subregion. </div></td></tr><trdata="private;declared;notNetfw;"><td><imgsrc="../icons/privfield.gif"alt="Private field"title="Private field"/></td><td><ahref="b4d246de-9fb3-1a75-fd47-cfee0e64186c.htm">toEnd</a></td><td><divclass="summary"> True if the subregion runs to the end, false if not. </div></td></tr><trdata="private;declared;notNetfw;"><td><imgsrc="../icons/privfield.gif"alt="Private field"title="Private field"/></td><td><ahref="2c5a9da9-6863-04d4-df2e-0ab2df859d73.htm">value</a></td><td><divclass="summary"> The value targeted for the subregion. </div></td></tr></table><ahref="#PageHeader">Top</a></div><divclass="collapsibleAreaRegion"id="seeAlsoSection"><spanclass="collapsibleRegionTitle"onclick="SectionExpandCollapse('ID8RB')"onkeypress="SectionExpandCollapse_CheckKey('ID8RB', event)"tabindex="0"><imgid="ID8RBToggle"class="collapseToggle"src="../icons/SectionExpanded.png"/>See Also</span></div><divid="ID8RBSection"class="collapsibleSection"><h4class="subHeading">Reference</h4><divclass="seeAlsoStyle"><ahref="e151fc72-f3cc-1740-7ea1-73c21ce1fa93.htm">butterflow_ui Namespace</a></div></div></div></div><divid="pageFooter"class="pageFooter"></div><scripttype="text/javascript">