dblclick.prg

用汇编语言或高级语言编写的源程序翻译成机器可执行的机器语言程序的工具称为“语言处理程序.

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*:
*:        Program: C:\DOS250\MISC\DBLCLICK.PRG
*:         System: FoxPro Application
*:         Author: Wayne Lampel
*:      Copyright (c) 1992, Microsoft Corporation
*:  Last modified: 06/13/91 at 12:00:00
*:
*:      Documented 20:09:48                                FoxDoc version 3.00a
*:*****************************************************************************
SET TALK OFF
SET ESCAPE ON
CLEAR
x = 0
DO WHILE .T.				&& Exit by pressing Esc
   x = INKEY("MH")			&& INKEY detecting mouse-downs, no cursor
   IF x=0					&& Nothing there,  try again.
      LOOP
   ENDIF
   IF x = 27				&& Exit if it's Esc.
      EXIT
   ENDIF
   IF x = 151				&& It's a mouse-down
      ROW = MROW()			&& Record row/column immediately
      COL = MCOL()
      timelimit = SECONDS()+_DBLCLICK	&& Note: New system variable
      y = 0
      DO WHILE SECONDS() < timelimit
         y = INKEY("MH")
         IF y = 151			&& Another click was just seen.
            @ 10,10 SAY "Double click at"
            EXIT
         ENDIF
      ENDDO
      IF y = 0				&& Here, if no further clicks seen.
         @ 10,10 SAY "Single click at"
      ENDIF
      ?? ROW, COL
   ENDIF
   IF x # 151				&& Here, if it wasn't a mouse-down
      @ 10,10 SAY "Character typed: "
      ?? "'"+CHR(x)+"'", TRANSFORM(x, "(999)"), SPACE(10)
   ENDIF
ENDDO
SET TALK ON
SET ESCAPE ON
*: EOF: DBLCLICK.PRG