yword">proc</span> <a href="#click%2CMouseButton%2Cint%2Crange%5B%5D_2"><span class="Identifier">click</span></a><span class="Other">(</span><span class="Identifier">button</span><span class="Other">:</span> <a href="common.html#MouseButton"><span class="Identifier">MouseButton</span></a><span class="Other">;</span> <span class="Identifier">x</span> <span class="Other">=</span> <span class="Identifier">wDefault</span><span class="Other">;</span> <span class="Identifier">y</span> <span class="Other">=</span>