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Crie um tablet com uma linha de código

Posted on 13 July 2007

Se você ainda não está convencido do que é possível fazer com o WPF, sugiro que teste a seguinte linha no XamlPad (ou então crie um arquivo no bloco de notas e salve-o com extensão XAML):

<InkCanvas xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" />
XML

Você acabou de criar um tablet. No XamlPad, você pode desenhar usando o mouse ou, se tiver um tablet, usando a caneta. Você pode ainda incrementar um pouco seu desenho mudando as cores de desenho, com

<InkCanvas xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation">
    <InkCanvas.DefaultDrawingAttributes>
        <DrawingAttributes Color="Red" />
    </InkCanvas.DefaultDrawingAttributes>
</InkCanvas>
XML

Se quiser, pode ainda suavizar as curvas desenhadas, transformando-as em splines com o atributo FitToCurve:

<InkCanvas xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation">
    <InkCanvas.DefaultDrawingAttributes>
        <DrawingAttributes Color="Red" FitToCurve="True"/>
    </InkCanvas.DefaultDrawingAttributes>
</InkCanvas>
XML

Fácil, não? Mas isso não é tudo. Se você salvar este código em um arquivo com extensão XAML e abri-lo no Internet Explorer, você terá transformado seu browser num tablet.

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