Using Win32 functions in Visual FoxPro Image Gallery
Keyboard Input
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ActivateKeyboardLayout
BlockInput
EnableWindow
GetActiveWindow
GetAsyncKeyState
GetFocus
GetKBCodePage
GetKeyboardLayout
GetKeyboardLayoutList
GetKeyboardLayoutName
GetKeyboardState
GetKeyNameText
GetKeyState
IsWindowEnabled
keybd_event
MapVirtualKey
RegisterHotKey
SetFocus
SetKeyboardState
ToAscii
UnregisterHotKey
VkKeyScan
Code examples:
An alternative way of setting Form.Closable to False
Animating a transition of the VFP form (a wire-frame rectangle)
Attaching menu to a top-level form
Copying picture of the active form to the Clipboard using Enhanced Metafile API functions
Creating a clipping region from the path selected into the device context of a form
Disabling drawing in the VFP form
Displaying animated images on FoxPro form with BitBlt and StretchBlt functions
Dragging files from Explorer window and dropping them on FoxPro control (requires VFP9)
Drawing a window caption using the DrawCaption routine
Drawing standard Windows icons
Form Magnifier
GDI+: copying to the Clipboard (a) image of active FoxPro window/form, (b) image file
GDI+: saving image of FoxPro form to graphics file (BMP, GIF, JPG, PNG, TIF)
GDI+: sending image of FoxPro form to printer
GetFocus returns a HWND value
How to block the ALT+TAB shortcut (WinXP)
How to block the PrintScreen key
How to copy the image of a form to the Clipboard using Bitmap API functions
How to create transparent areas inside a form -- punching holes in the form
How to drag a Form not using its Titlebar or Caption
How to intercept window messages sent to VFP form
How to print FoxPro form
How to print FoxPro form -- II
How to put a horizontal text scrolling on the form (a news line, marquee)
How to put a vertical text scrolling on the form (a movie cast)
How to start the screen saver and how to find whether the screen saver is active
How to view icons stored in executable files (Icon Viewer)
Placing a button on the VFP form as a new child window
Retrieving top-child window for the VFP form
Retrieving window and menu help context identifiers
Round FoxPro form
Running a regular FoxPro form while main VFP window is minimized
Setting the mouse capture to the specified window
Setting the Window Region for a form
Shortcut Menu Class
Storing screen shot of a form to bitmap file
Storing screen shot of a form to enhanced metafile (*.emf)
The window and its ancestors
Tracking mouse movement to detect when to start dragging
Using Common Controls: the Header Control
Using FrameRgn for displaying system colors
Using IsChild() for testing ThisForm.ShowWindow property
Running a regular FoxPro form while main VFP window is minimized

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Before you begin:
This code changes a parent window for the given form to the Windows Desktop.
PUBLIC objForm
objForm = CreateObject("Tform")
objForm.Visible = .T.

DEFINE CLASS Tform As Form
AutoCenter=.T.
PROTECTED formstatus

PROCEDURE  Init
    THIS.formstatus = 0

PROCEDURE  Activate
    IF THIS.formstatus = 1
        RETURN
    ENDIF

    DECLARE INTEGER GetDesktopWindow IN user32
    DECLARE INTEGER GetFocus IN user32
    DECLARE INTEGER SetParent IN user32;
        INTEGER hWndChild, INTEGER hWndNewParent

    LOCAL hForm, hDesktop
    hDesktop = GetDesktopWindow()
    hForm = GetFocus()

    * if successfully changing the parent window for this form
    * then minimizing the main VFP window

    IF SetParent (hForm, hDesktop) <> 0
        THIS.formstatus = 1
        _SCREEN.WindowState = 1
    ENDIF

ENDDEFINE

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706 bytes  
Created: 2002-01-10 19:57:05  
Modified: 2002-01-10 20:05:25  
Visits in 7 days: 27  
Listed functions:
GetDesktopWindow
GetFocus
SetParent
Printer friendly API declarations
My comment:
It makes the form less dependent on the main VFP window. Its icon even appears on the Windows toolbar.

As I can see some more adjustments should be done to the form through the SetWindowLong function, since it is not possible to put it on top when it is hidden by other windows.
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