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:
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
GetFocus
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Retrieves the handle to the window that has the keyboard focus, if the window is attached to the calling thread"s message queue.
Code examples:
Storing screen shot of a form to bitmap file
How to put a vertical text scrolling on the form (a movie cast)
How to put a horizontal text scrolling on the form (a news line, marquee)
How to print FoxPro form
How to print FoxPro form -- II
Creating a clipping region from the path selected into the device context of a form
Using Common Controls: the Header Control
Round FoxPro form
GDI+: sending image of FoxPro form to printer
How to copy the image of a form to the Clipboard using Bitmap API functions
Declaration:
HWND GetFocus(VOID);
FoxPro declaration:
DECLARE INTEGER GetFocus IN user32
Parameters:
This function has no parameters.
Return value:
The return value is the handle to the window with the keyboard focus. If the calling thread"s message queue does not have an associated window with the keyboard focus, the return value is NULL.
My comment:
This function returns a window handle to an active form, or for the main VFP window if it has the keyboard focus. In this case its result is equivalent to the one of GetActiveWindow.

See also: SetFocus, SetForegroundWindow, GetForegroundWindow, GetActiveWindow.
Word Index links for the GetFocus :
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Created: 2001-08-04 12:00:00
Modified: 2006-07-26 00:45:06
Visited in last 7 days: 271
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