<a name="trackerColour"><h3 style="padding-top: 40px; margin-top: 40px;"></h3></a>
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**trackerColour("colour")** Sets the colour of the slider's tracker. This is the line that follows the slider when you move it.

<!--UPDATE WIDGET_IN_CSOUND
    SIdent sprintf "trackerColour(%d, %d, %d) ", rnd(255), rnd(255), rnd(255)
    SIdentifier strcat SIdentifier, SIdent  
-->