TSG: Delay and straight lines or gaps at start of stokes

Overview

This problem happens on Windows due to some interaction between the Windows Ink system and an application that uses the pen.

Symptoms

When drawing a stroke (for example simple curve). You may notice that the there is a slightly delay before something is drawn. The resulting stroke will either:

  • (a) skip over the beginning part of the stroke

  • or (b) have a straight line drawn from where you put the pen down to a little latter in stroke.

Other manifestations

The same delay at the beginning of dragging the pen, can manifest in other user experiences. For example, you might see it as small delay when first moving a slider. As you move the pointer with the pen, the slider will not move for several millimeters and then suddenly snap to the location of the pen.

Examples

Diagnostic questions to answer

  • Does it happen in a specific app or all apps?

  • Does it happen in this online app? 7P online tablet tester

  • Does it happen in the driver pressure test region?

Potential solutions

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