SAMPLE: Retrieving Status of Text Box Using Windows Messages

• Microsoft Windows Software Development Kit (SDK) for Windows version 3.1

EDIT_INFO: Retrieves Status of Text Box Using Windows Messages

EDIT_INFO shows how to access retrieval information from a Microsoft(R) Visual Basic(TM) application. It uses Microsoft Windows(TM) functions to retrieve information about the status of a text box. The Visual Basic language does not provide this capability.

EDIT_INFO allows you to use the Windows message constants listed below for the following tasks:

• EM_GETLINE: Copy a specific line of text from the edit control.
• EM_GETLINECOUNT: Retrieve the number of lines within the edit control.
• EM_GETSEL: Position the cursor at a specific character location.
• EM_LINEFROMCHAR: Retrieve the line number of a specific character location.
• EM_LINEINDEX: Retrieve the number of lines prior to a specified character position.
• EM_LINELENGTH: Retrieve the number of characters in a specified line.
• EM_REPLACESEL: Replace the specified text with another text string.

For information on setting tab stops within a control, search the Knowledge Base for EM_SETTABSTOPS.

EDIT_INFO was built and tested under Microsoft Windows version 3.1 and Visual Basic version 3.0.

Download EDTINFO.EXE, a self-extracting file, from the Microsoft Software Library (MSL) on the following services:

• Microsoft Download Service (MSDL)

        Dial (206) 936-6735 to connect to MSDL
        Download EDTINFO.EXE (size: 21257 bytes) 
  

• Internet (anonymous FTP)

        ftp ftp.microsoft.com
        Change to the \SOFTLIB\MSLFILES directory
        Get EDTINFO.EXE (size: 21257 bytes)