Using Win32 functions in Visual FoxPro Image Gallery
Code examples:
Creating a console window for Visual FoxPro application
How to display the Properties dialog box for a file (ShellExecuteEx)
Playing WAV files on InteractiveChange
Customizing the frame of top-level form: removing the standard frame (VFP9, Vista)
GDI+: Creating thumbnails to preview images in a directory
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Winsock: resolving an address to a host name
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How to print picture stored in enhanced-format metafile (*.emf)
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Shortcut Menu Class
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Creating the Open dialog box to specify the drive, directory, and name of a file to open
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How to print FoxPro form -- II
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Verifying a file using the Authenticode policy provider
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Creating a console window for Visual FoxPro application

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Before you begin:
The following code explains how to create and use console (DOS-like) window with Visual FoxPro application.



See also:
  • Running MSDOS Shell as a child process with redirected input and output (smarter RUN command)
  • Running external applications from VFP using WinExec
  • Using ShellExecute for performing operations on files
  • Running external applications from VFP using CreateProcess
  • Running an external program from FoxPro and waiting for its termination
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    4578 bytes  
    Created: 2004-11-09 21:04:19  
    Modified: 2011-12-10 09:20:22  
    Visits in 7 days: 109  
    Listed functions:
    AllocConsole
    CloseHandle
    FillConsoleOutputAttribute
    FillConsoleOutputCharacter
    FreeConsole
    GetConsoleScreenBufferInfo
    GetConsoleWindow
    GetLastError
    GetStdHandle
    ReadConsole
    SetConsoleCursorPosition
    SetConsoleTextAttribute
    SetConsoleTitle
    SetForegroundWindow
    ShowWindow
    WriteConsole
    Printer friendly API declarations
    My comment:
    Unsolved issues:

  • the closing of opened console window automatically closes the whole FoxPro session; the SetWindowLong can not change attributes for the console window (error=5, access denied);

  • main FoxPro window stops redrawing itself after a console window is created.

    And of course, the main unsolved issue is finding a practicality in console windows.

    * * *
    I noticed that in VFP6 the code works a bit different -- methods ClearScreen and SetCursorPos. You may try to declare and call SetConsoleCursorPosition with just two parameters -- INTEGER and @STRING -- instead of INTEGER, SHORT, SHORT.
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    User Contributed Notes:
    Emerson Reed | 2013-06-07 10:22:05
    I'm receiving a "Declare DLL call caused an exception." error in the following line:
    = FillConsoleOutputCharacter(THIS.hStdout, 32,;
        nBufsize, 0,0,0)
    Please, could you take a look at it?
    I'm using VFP 9 and Windows 7 Professional (32 bits).
    AM | 2013-06-23 11:33:01
    Set a break point and check values of THIS.hStdout and nBufsize before calling FillConsoleOutputCharacter. Neither should be zero.

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