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	<title>Euclides Chuma Weblog &#187; javascript</title>
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		<title>Tutorial 3 &#8211; Contruindo um vídeo player no Silverlight com o Expression Blend</title>
		<link>http://euclideschuma.wordpress.com/2007/10/15/tutorial-3-contruindo-um-video-player-no-silverlight-com-o-expression-blend/</link>
		<comments>http://euclideschuma.wordpress.com/2007/10/15/tutorial-3-contruindo-um-video-player-no-silverlight-com-o-expression-blend/#comments</comments>
		<pubDate>Mon, 15 Oct 2007 16:05:50 +0000</pubDate>
		<dc:creator>euchuma</dc:creator>
				<category><![CDATA[Expression Blend]]></category>
		<category><![CDATA[Microsoft]]></category>
		<category><![CDATA[Silverlight]]></category>
		<category><![CDATA[Tutorial]]></category>
		<category><![CDATA[Visual Studio 2008]]></category>
		<category><![CDATA[javascript]]></category>
		<category><![CDATA[player]]></category>
		<category><![CDATA[video]]></category>

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		<description><![CDATA[Tutorial 3 &#8211; Contruindo um vídeo player no Silverlight com o Expression Blend
Download completo do exemplo
1- Abra o Microsoft Expression Blend e crie um novo projeto com a opção Silverlight Application (JavaScript) e dê o nome testVideoPlayer
2- Selecione a ferramenta Rectangle no Toolbox e contrua um retângulo de 125px de largura por 35px de altura [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=euclideschuma.wordpress.com&blog=1736265&post=37&subd=euclideschuma&ref=&feed=1" />]]></description>
			<content:encoded><![CDATA[<div class='snap_preview'><br /><h2>Tutorial 3 &#8211; Contruindo um vídeo player no Silverlight com o Expression Blend</h2>
<p><a href="http://www.w2c.com.br/blog/testVideoPlayer.zip">Download completo do exemplo</a></p>
<p>1- Abra o Microsoft Expression Blend e crie um novo projeto com a opção <strong><em>Silverlight Application (JavaScript)</em></strong> e dê o nome <strong><em>testVideoPlayer</em></strong></p>
<p>2- Selecione a ferramenta <strong><em>Rectangle</em></strong> no <strong><em>Toolbox</em></strong> e contrua um retângulo de 125px de largura por 35px de altura e arredonde os cantos. Selecione a ferramenta <strong><em>TextBlock</em></strong> e insira um texto &#8220;Play&#8221;. Selecione o retângulo e o texto e agrupe-os clicando com o botão direito do mouse e selecionando a opção <em><strong>Group into -&gt; Canvas</strong></em>. Renomeie o grupo criado para <strong><em>btPlay</em></strong>.</p>
<p><a href="http://euclideschuma.files.wordpress.com/2007/10/tutorial3_1.jpg" title="tutorial3_1.jpg"><img src="http://euclideschuma.files.wordpress.com/2007/10/tutorial3_1.jpg" alt="tutorial3_1.jpg" /></a><br />
Figura: Botão btPlay</p>
<p>3- Repita o passo 2 e crie um botão agrupado com o nome <strong><em>btStop</em></strong> e outro botão agrupado com o nome <em><strong>btPause</strong></em></p>
<p><a href="http://euclideschuma.files.wordpress.com/2007/10/tutorial3_2.jpg" title="tutorial3_2.jpg"><img src="http://euclideschuma.files.wordpress.com/2007/10/tutorial3_2.jpg" alt="tutorial3_2.jpg" /></a><br />
Figura: Botões btPlay, btStop e btPause</p>
<p>4- Copiar o filme <em><strong>&#8220;wmv</strong></em> para a pasta do projeto que criamos (geralmente localizada em Meus Documentos -&gt; Expression -&gt; Expression Blend Projects).  Ir na aba <em><strong>Project</strong></em> e selecionar <strong><em>testVideoPlayer</em></strong>, clicar com botão direito e selecionar <em><strong>Add Existing Item</strong></em> e selecionar o video copiado na pasta do projeto.</p>
<p><a href="http://euclideschuma.files.wordpress.com/2007/10/tutorial3_3.jpg" title="tutorial3_3.jpg"><img src="http://euclideschuma.files.wordpress.com/2007/10/tutorial3_3.jpg" alt="tutorial3_3.jpg" /></a><br />
Figura: Adicionando o vídeo ao projeto</p>
<p>5- Clique 2 vezes sobre o vídeo adicionado na aba <em><strong>Project</strong></em> para adicionar o vídeo no <em><strong>Canvas</strong></em>. Renomeie o vídeo para <em><strong>testVideo</strong></em>. Redimensione e posicione o vídeo de acordo com sua preferência.</p>
<p><a href="http://euclideschuma.files.wordpress.com/2007/10/tutorial3_4.jpg" title="tutorial3_4.jpg"><img src="http://euclideschuma.files.wordpress.com/2007/10/tutorial3_4.jpg" alt="tutorial3_4.jpg" /></a><br />
Figura: Vídeo adicionado ao projeto</p>
<p>6- Mudar para a opção <strong><em>XAML </em></strong>no painel <em><strong>Canvas</strong></em> e acrescentar o atributo <em><strong>AutoPlay=&#8221;False&#8221;</strong></em> para o vídeo:</p>
<p><em>&lt;MediaElement x:Name=&#8221;testVideo&#8221; AutoPlay=&#8221;False&#8221; &#8230;</em></p>
<p>7- Ainda no XAML adicionar o evento <em><strong>MouseLeftButtonDown=&#8221;ButtonMouseClick&#8221;</strong></em> nos três botões:</p>
<p><em>&lt;Canvas x:Name=&#8221;btPlay&#8221; MouseLeftButtonDown=&#8221;ButtonMouseClick&#8221; &#8230;<br />
&lt;Canvas x:Name=&#8221;btStop&#8221; MouseLeftButtonDown=&#8221;ButtonMouseClick&#8221; &#8230;<br />
&lt;Canvas x:Name=&#8221;btPause&#8221; MouseLeftButtonDown=&#8221;ButtonMouseClick&#8221; &#8230;</em></p>
<p>8- Na aba <strong><em>Project</em></strong> clique 2 vezes sobre o arquivo <em><strong>Page.xaml.js</strong></em> (ele será aberto no Bloco de Notas) e acrescente o código no final do código já existente:</p>
<p><em>function ButtonMouseClick(sender, eventArgs)<br />
{<br />
 if(sender.name==&#8221;btPlay&#8221;)<br />
 {<br />
  sender.findName(&#8220;testVideo&#8221;).play();</em></p>
<p><em> } else if(sender.name==&#8221;btStop&#8221;)<br />
  {<br />
   sender.findName(&#8220;testVideo&#8221;).stop();</em></p>
<p><em>  } else if(sender.name==&#8221;btPause&#8221;)<br />
   {<br />
    sender.findName(&#8220;testVideo&#8221;).pause();</em></p>
<p><em>   }<br />
}</em></p>
<p>9- Salve o arquivo <strong><em>Page.xaml.js</em></strong> aberto no Bloco de Notas e feche-o.</p>
<p>10 &#8211; No Expression Blend dê um <em><strong>Save All</strong></em>.</p>
<p>11- Teste o projeto com <strong><em>F5</em></strong> e clique no botão Play para iniciar o vídeo. Clique também sobre os botões Stop e Pause e veja o resultado.</p>
<p><a href="http://euclideschuma.files.wordpress.com/2007/10/tutorial3_5.jpg" title="tutorial3_5.jpg"><img src="http://euclideschuma.files.wordpress.com/2007/10/tutorial3_5.jpg" alt="tutorial3_5.jpg" /></a><br />
Figura: Projeto sendo executado</p>
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