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Examples/TouchScreen/touchdown.bas

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+SUB MAIN
+  DIM XY, XPOS, YPOS AS INTEGER
+  DIM LASTX, LASTY AS INTEGER
+  DIM MSG AS STRING
+
+  LASTX = 0
+  LASTY = 0  
+  MSG = "Touch the Screen (Down)"
+
+  GRAPHICS
+  SETCOLOR 0,0,0
+  CLS  
+  SETCOLOR 255,255,255
+  DRAWSTRING MSG,(SCREENWIDTH()-STRINGWIDTH(MSG))/2, SCREENHEIGHT()/2
+  REPAINT
+  
+  WHILE TRUE
+    XY = TOUCHDOWN()
+    IF (XY <> -1) THEN
+      XPOS = (XY / 65536) & 0x0000ffff
+      YPOS = XY & 0x0000ffff
+      SETCOLOR RND(256),RND(256),RND(256)
+      DRAWLINE LASTX,LASTY,XPOS,YPOS
+      LASTX = XPOS
+      LASTY = YPOS
+      REPAINT
+    ELSE
+      SLEEP 10
+	END IF
+  END WHILE
+END SUB