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请问谁知道如何在layer上用MouseDown事件(VB)选择地物啊?谢谢了
<P>很弱智的一个问题!</P>
<P>但我试过用IFeatureSelection接口,但是在SelectFeatures 方法中参数QueryFilter只支持字段选择,不知用鼠标如何点选地物,谢了!</P> |
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1楼#
发布于:2006-08-31 09:12
<P>鼠标点->POINT</P>
<P>ISpatialFilter .geometry=POINT</P> <P>ISpatialFilter .SpatialRel =esriSpatialRelEnum .<STRONG>esriSpatialRelIntersects</STRONG></P> <P>FeatureClass.Search(pFilter, False)</P> <P><STRONG>返回一个</STRONG>IfeatureCursor </P><img src="images/post/smile/dvbbs/em02.gif" /> |
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