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Allegro CL version 10.1
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10.0 version

digitizer-capabilities

Arguments:

Returns a list of zero or more of the keyword symbols shown below, indicating the capabilities of the computer's touch input device, if it has one. nil will be returned if there is no touch input device.

Here are Microsoft's explanations of the capabilities. Apparently integrated means built into the computer (such as its screen) while external means connected to it (such as a tablet). Multiple inputs refers to multiple simultaneous fingers (or pens).

See also the touch-point class and About Touch Gesture Support in Common Graphics on Windows in cgide.htm.


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This page was not revised from the 10.0 page.
Created 2017.2.15.

ToCDocOverviewCGDocRelNotesFAQIndexPermutedIndex
Allegro CL version 10.1
Unrevised from 10.0 to 10.1.
10.0 version