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         <td valign="top" class="name">BITMASKSET</td>
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    <td valign="top" colspan="2" class="description"><span class="title">Description</span>
<p>
Performs a bitwise mask set operation. 
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    <td valign="top" colspan="2" class="description"><span class="title">Returns</span>
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A number, bitwise masked with length bits of mask beginning at start.
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Mathematical functions
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    <td valign="top" colspan="2" class="description"><span class="title">Function syntax</span><pre>BitMaskSet(number, mask, start, length)
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    <td valign="top" colspan="2" class="description"><span class="title">See also</span>
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BitMaskClear, BitMaskRead
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    <td valign="top" colspan="2" class="description"><span class="title">Parameters</span>
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    <td valign="top" colspan="2" class="description"><span class="title">Usage</span>
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Bit functions operate on 32-bit signed integers, in the range -2147483648 - 2147483647. 
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    <td valign="top" colspan="2" class="description"><span class="title">Example</span><pre>&lt;h3&gt;BitMaskSet Example&lt;/h3&gt;
&lt;p&gt;Returns number bitwise masked with length bits of mask beginning at start.

&lt;p&gt;BitMaskSet(255, 255, 4, 4): 
&lt;cfoutput&gt;#BitMaskSet(255, 255, 4, 4)#&lt;/cfoutput&gt;
&lt;p&gt;BitMaskSet(255, 0, 4, 4): 
&lt;cfoutput&gt;#BitMaskSet(255, 0, 4, 4)#&lt;/cfoutput&gt;
&lt;p&gt;BitMaskSet(0, 15, 4, 4): 
&lt;cfoutput&gt;#BitMaskSet(0, 15, 4, 4)#&lt;/cfoutput&gt;
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<td valign="top" class="name">NUMBER</td>
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<p>32-bit signed integer</p>

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<td valign="top" class="name">MASK</td>
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<p>32-bit signed integer; mask </p>

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<td valign="top" class="name">START</td>
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<p>Integer, in the range 0-31, inclusive; start bit for mask</p>

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<td valign="top" class="name">LENGTH</td>
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<p>Integer, in the range 0-31, inclusive; length of mask</p>

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