
Configuring trends 13–33
You cannot use binary numbers to set a value—you must use
decimals. The following table shows the decimal value for each pen:
Example: Showing or hiding a pen
The following example describes how to use pen masking to show or
hide a pen.
To hide Pen 10 (without affecting other pens), use the bitwise AND
operator and the complement of the pen’s decimal value:
PenMask = PenMask & ~ 512
Pen Number Binary Mask Value Decimal Value
1 0000 0000 0000 0001 1
2 0000 0000 0000 0010 2
3 0000 0000 0000 0100 4
4 0000 0000 0000 1000 8
5 0000 0000 0001 0000 16
6 0000 0000 0010 0000 32
7 0000 0000 0100 0000 64
8 0000 0000 1000 0000 128
9 0000 0001 0000 0000 256
10 0000 0010 0000 0000 512
11 0000 0100 0000 0000 1024
12 0000 1000 0000 0000 2048
13 0001 0000 0000 0000 4096
14 0010 0000 0000 0000 8192
15 0100 0000 0000 0000 16384
16 1000 0000 0000 0000 32768
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