touch-point-x

Arguments: touch-point

The X coordinate of the current position of this finger, measured in pixels. The value is in stream coordinates of the window, which means relative to the upper left corner of the canvas that the window is scrolling if it scrolls, and otherwise relative to the upper left corner of the window interior. See also touch-point-y.

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

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Created 2019.8.20.