FIX: LASTKEY() Returns 13 When Left Mouse Button Is Pressed

 Last reviewed: October 20, 1997
Article ID: Q114191
2.50 2.50a 2.50b 2.60 | 2.00 2.50 2.50a 2.50b 2.60 
WINDOWS               | MS-DOS
kbprg kbbuglist kbfixlist

The information in this article applies to:

  • Microsoft FoxPro for Windows, versions 2.5, 2.5a, 2.5b, 2.6
  • Microsoft FoxPro for MS-DOS, versions 2.0, 2.5, 2.5a, 2.5b, 2.6

SYMPTOMS

The LASTKEY() function returns 13 when the left mouse button is pressed.

RESOLUTION

Use the ON KEY LABEL LEFTMOUSE and/or ON KEY LABEL RIGHTMOUSE commands to determine when the left or right mouse button is pressed.

STATUS

Microsoft has confirmed this to be a problem in the Microsoft products listed at the beginning of this article. This problem was corrected in FoxPro 2.6a for MS-DOS and Windows.

MORE INFORMATION

Steps to Reproduce Behavior

  1. Place the following code into a .PRG file called TESTLAST.PRG: 

          WAIT ""
      ? LASTKEY()

  2. Execute the code by typing the following command in the Command window: 

          DO testlast

While the system is waiting for input, press the left mouse button. In dBASE IV, LASTKEY() will return -100 when the left mouse button is pressed. In FoxPro, LASTKEY() will return 13 when the left mouse button is pressed.

Additional reference words: FoxDos FoxWin 2.00 2.50 2.50a 2.50b 2.60
buglist2.00
buglist2.50 buglist2.50a buglist2.50b buglist2.60 fixlist2.60a differences
KBCategory: kbprg kbbuglist kbfixlist
KBSubcategory: FxinteropDbase
Solution Type : kbfix

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Last reviewed: October 20, 1997
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