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    Hi Lori,<br>
    <br>
    can you please ask your development-related questions to the
    gvsig-devel list? I'll answer you there.<br>
    <br>
    Best regards.<br>
    <pre class="moz-signature" cols="72">-- 

Alberto Romeu
---

Prodevelop SL, Valencia (Espa&ntilde;a)
Tlf.: 96.351.06.12 -- Fax: 96.351.09.68
<a class="moz-txt-link-freetext" href="http://www.prodevelop.es">http://www.prodevelop.es</a>
--- </pre>
    <br>
    El 06/03/12 09:57, ÁõÓ¦½Ü escribi¨®:
    <blockquote
      cite="mid:736d9c3c.279bf.135e73a5a5a.Coremail.lyj_uptech@126.com"
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        <div>Hi Alberto:</div>
        <div>&nbsp;</div>
        <div>&nbsp;&nbsp;&nbsp;&nbsp;I try to make the loding kml files run in backgroud
          instead of opertion in m<span class="highlight">anually</span>,So
          I use the VectorGPEDriver loading s<span class="highlight">everal
            kml files.and it's work.</span></div>
        <div><span class="highlight">&nbsp;&nbsp;&nbsp; The qusetion is how could I
            hide one of them in backgroud instead of opertion&nbsp; m<span
              class="highlight">anually</span>.I tried the function
            ¡°driver.getOverlay().setVisible(false);¡± , But it's not work</span></div>
        <div><span class="highlight"></span>&nbsp;</div>
        <div><span class="highlight">&nbsp;&nbsp;&nbsp;&nbsp;And loading the kml file cost
            so much time&nbsp;that the screen show black more then ten
            second. So ,how can we improve it.</span></div>
        <div><span class="highlight"></span>&nbsp;</div>
        <div><span class="highlight">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
            yours:lori</span></div>
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          <br>
          &nbsp;</div>
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