I’m working on Chapter 13, “Touch, Etc.,” for the Release Preview ebook of Charles Petzold’s Programming Windows, Sixth Edition , which we’ll release in the next two weeks . (Consider buying now before the prices jumps $10.) I thought you might like a small taste from the chapter. Let me know if you’d like more samples like this. Pressure Sensitivity The lines drawn by the various FingerPaint programs are of a uniform stroke thickness—24 pixels to be precise—but I probably would have done it differently if the tablet I’m using was sensitive to touch pressure. But it is not. There are two properties that might influence line thickness in a finger-painting program, and both are defined by the PointerPointProperties object returned ...read more