Microsoft KB Archive/142732

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PRA: MsgBox Function Shows Only First 512 Characters
'Article ID: Q142732

Creation Date: 17-JAN-1996

Revision Date: 20-SEP-1996' The information in this article applies to:


 * Microsoft Access version 2.0

SYMPTOMS

Moderate: Requires basic macro, coding, and interoperability skills.

When you try to display more than 512 characters in a message box by using the MsgBox function, the box sizes itself to be big enough to display all of the characters you entered, but it only displays the first 512 characters. This is contrary to online Help, which states that the Msgbox function can display 1024 characters.

STATUS

This behavior no longer occurs in Microsoft Access for Windows 95 version 7.0. In Microsoft Access 7.0, you can display approximately 1024 characters by using the MsgBox function.

MORE INFORMATION

Steps to Reproduce Problem

  Create a module and type the following line in the Declarations section: "Option Explicit"  Type the following procedure. NOTE: In the following sample code, an underscore (_) at the end of a line is used as a line-continuation character. Remove the underscore from the end of the line when re-creating this code in Access Basic. Function MBLT Dim z As String 'Create a string with 1024 characters: '500 a's, the words "Next Line", and 512 b's.        z = String(500, "a") & Chr(13) & Chr(10) & "Next Line" & _ String(512, "b") "MsgBox z                     'Display the String." "End Function"  To test this function, type the following line in the Immediate Window, and then press ENTER. "? MBLT" Note that when the message box opens, it is big enough to display 1024 characters. However, it displayes only the 512 a's. No b's, are displayed.  Press ENTER to close the message box.

REFERENCES

For more information about the Msgbox function, search for "Msgbox," and then "Msgbox Function, Msgbox Statement" using the Microsoft Access Help menu.
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Additional reference words: 2.00

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