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<HTML><HEAD><TITLE>CanvasItem</TITLE><METANAME="GENERATOR"CONTENT="Modular DocBook HTML Stylesheet Version 1.53"><LINKREL="HOME"TITLE="Documentation Set for Swarm 2.1.1"HREF="set.html"><LINKREL="UP"TITLE="Gui Library"HREF="swarm.gui.sgml.reference.html"><LINKREL="PREVIOUS"TITLE="CanvasAbstractItem"HREF="swarm.gui.canvasabstractitem.protocol.html"><LINKREL="NEXT"TITLE="CheckButton"HREF="swarm.gui.checkbutton.protocol.html"></HEAD><BODYCLASS="REFENTRY"BGCOLOR="#FFFFFF"TEXT="#000000"LINK="#0000FF"VLINK="#840084"ALINK="#0000FF"><DIVCLASS="NAVHEADER"><TABLEWIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><THCOLSPAN="3"ALIGN="center">Documentation Set for Swarm 2.1.1</TH></TR><TR><TDWIDTH="10%"ALIGN="left"VALIGN="bottom"><AHREF="swarm.gui.canvasabstractitem.protocol.html">Prev</A></TD><TDWIDTH="80%"ALIGN="center"VALIGN="bottom">Reference VIII. Gui Library</TD><TDWIDTH="10%"ALIGN="right"VALIGN="bottom"><AHREF="swarm.gui.checkbutton.protocol.html">Next</A></TD></TR></TABLE><HRALIGN="LEFT"WIDTH="100%"></DIV><H1><ANAME="SWARM.GUI.CANVASITEM.PROTOCOL">CanvasItem</A></H1><DIVCLASS="REFNAMEDIV"><ANAME="AEN18626"></A><H2>Name</H2>CanvasItem -- An abstract superclass for simple Canvas items.</DIV><DIVCLASS="REFSECT1"><ANAME="AEN18629"></A><H2>Description</H2><P> An abstract superclass for non-composite Canvas items.</P></DIV><DIVCLASS="REFSECT1"><ANAME="AEN18632"></A><H2>Protocols adopted by CanvasItem</H2><P> <AHREF="swarm.gui.canvasabstractitem.protocol.html">CanvasAbstractItem</A> <AHREF="swarm.defobj.creatable.protocol.html">CREATABLE</A></P></DIV><DIVCLASS="REFSECT1"><ANAME="AEN18637"></A><H2>Methods</H2><DIVCLASS="REFSECT2"><ANAME="AEN18639"></A><H3>Phase: Creating</H3><P></P><UL><LI><DIVCLASS="FUNCSYNOPSIS"><ANAME="SWARM.GUI.CANVASITEM.METHOD.PC.M223"></A><P></P>- <BCLASS="FUNCPROTOTYPE">createBindings</B><BR> Establishes the bindings for the buttons.<P></P></DIV></LI></UL></DIV><DIVCLASS="REFSECT2"><ANAME="AEN18650"></A><H3>Phase: Using</H3><P></P><UL><LI><DIVCLASS="FUNCSYNOPSIS"><ANAME="SWARM.GUI.CANVASITEM.METHOD.PU.M549"></A><P></P>- <BCLASS="FUNCPROTOTYPE">initiateMoveX:</B> (long)<VARCLASS="PDPARAM">delta_x</VAR> <BCLASS="FUNCPROTOTYPE">Y:</B> (long)<VARCLASS="PDPARAM">delta_y</VAR> <BR> Prepares for movement of the item within the canvas.<P></P></DIV></LI></UL></DIV></DIV><DIVCLASS="NAVFOOTER"><HRALIGN="LEFT"WIDTH="100%"><TABLEWIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top"><AHREF="swarm.gui.canvasabstractitem.protocol.html">Prev</A></TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="set.html">Home</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top"><AHREF="swarm.gui.checkbutton.protocol.html">Next</A></TD></TR><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top">CanvasAbstractItem</TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="swarm.gui.sgml.reference.html">Up</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top">CheckButton</TD></TR></TABLE></DIV></BODY></HTML>⌨️ 快捷键说明
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