Using Win32 functions in Visual FoxPro Image Gallery
Keyboard Input
..msdn
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:
Adding an ODBC data source with the SQLConfigDataSource; use automatic or interactive mode
Bitmap Class for Visual FoxPro application
Comparing dimensions of the VFP main window with _SCREEN properties
Configuring DEVMODE structure for a printer
Confining Windows calculator inside the VFP main window
Creating a window using CreateWindowEx function
Creating an Open dialog box to specify the drive, directory, and name of a file to open (Shell32 version)
Creating the Open dialog box to specify the drive, directory, and name of a file to open
Creating the Save dialog box to specify the drive, directory, and name of a file to save
Deleting files into the Recycle Bin
Displaying bitmap using the AlphaBlend function
Displaying printer-properties Property Sheet for the specified printer
Displaying system dialog that selects a folder
Drawing a rectangle using Windows regular edges and borders
Drawing a window caption using the DrawCaption routine
Drawing cursors for the classes defined by the system (preregistered): BUTTON, EDIT, LISTBOX etc.
Drawing icons associated with the VFP main window
Drawing Windows frame controls using the DrawFrameControl function
Drawing Windows predefined bitmaps using the LoadBitmap functions
Establishing connection using the SQLDriverConnect
Extended MessageBox Class
FindText -- the hopeless and useless Common Dialog
Form Magnifier
GetFocus returns a HWND value
Getting a bit more than the _CLIPTEXT offers
How to browse and connect to printers on a network (WinNT)
How to change the name and the size of the font in the MessageBox dialog
How to copy the image of a form to the Clipboard using Bitmap API functions
How to display a dialog box with which the user can add a data source (DSN)
How to display picture stored in enhanced-format metafile (*.emf)
How to display the port-configuration dialog box for a port on the specified server
How to display the Properties dialog box for a file (ShellExecuteEx)
How to make the caption of a VFP application flashing in the Windows task bar
How to play AVI file on the _screen
How to position the GETPRINTER() dialog
How to print a bitmap file
How to print picture stored in enhanced-format metafile (*.emf)
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 remove a directory that is not empty
Initiating Inet connection using a modem
Locking mouse and keyboard input for the VFP application
Minimizing all running applications
Obtaining the bounding rectangle for the specified device context
Obtaining window class name for the main VFP window
Placing an arbitrary rectangular area of main VFP window on the Clipboard
Printing text on the client area of the main VFP window
Printing text on the main VFP window
Reading metrics for the currently selected font
Reading the structure of VFP main menu
Retrieving information about the main VFP window
Retrieving long values associated with the class of the VFP window
Retrieving Window Class information for the VFP window
Scanning the hierarchy of child windows down from the main VFP window
Sending a standard message with one or more attached files using default email client
Setting the mouse capture to the specified window
Simple MAPI: how to pick an email recipient from Outlook Express address book
Splash Screen for the VFP application
Starting a dialog box for connecting to network resources (mapping network drive)
Storing content of the Clipboard to a bitmap file
Terminating all running applications from a VFP program
Testing Clipboard functions: emptying the clipboard
The window and its ancestors
Using FlashWindowEx to flash the taskbar button of the VFP application
Using Font and Text functions
Using GetNearestColor
Using InternetGoOnline function
Using IsChild() for testing ThisForm.ShowWindow property
Using the ChooseColor function
Using the DrawText function
Using the GradientFill function
Using the IsWindowEnabled function
Using the LoadImage function to have a bitmap file loaded and displayed on VFP main window
Using the MessageBox Win32 function
Using the RestartDialog function -- restarting Windows
Who is the first in viewing the Clipboard
Who owns the Windows Clipboard
GetActiveWindow
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The GetActiveWindow function retrieves the window handle to the active window attached to the calling thread"s message queue.
Code examples:
Storing content of the Clipboard to a bitmap file
How to put a horizontal text scrolling on the form (a news line, marquee)
Splash Screen for the VFP application
How to put a vertical text scrolling on the form (a movie cast)
How to play AVI file on the _screen
How to print a bitmap file
Extended MessageBox Class
Reading the structure of VFP main menu
Placing an arbitrary rectangular area of main VFP window on the Clipboard
Bitmap Class for Visual FoxPro application
Declaration:
HWND GetActiveWindow(VOID)
FoxPro declaration:
DECLARE INTEGER GetActiveWindow IN user32

Parameters:
This function has no parameters.
Return value:
The return value is the handle to the active window attached to the calling thread"s message queue. Otherwise, the return value is NULL.
My comment:
For a VFP application you always have this function pointing to the main VFP window.

To get the handle to the foreground window, you can use GetForegroundWindow.

Windows 98/Me and Windows NT 4.0 SP3 and later: To get the window handle to the active window in the message queue for another thread, use GetGUIThreadInfo.

Starting with version 7th the Visual FoxPro includes window handle in standard properties of the Form object.

See also: GetFocus, GetForegroundWindow, SwitchToThisWindow
Word Index links for the GetActiveWindow :
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Created: 2001-07-12 12:00:00
Modified: 2009-01-28 09:02:32
Visited in last 7 days: 427
User Contributed Notes:
Willson | 2007-09-28 14:45:25
See also _VFP.HWnd, for versions of VFP that support that property.

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