(PHP 5 >= 5.2.2, PHP 7, PHP 8)
imagegrabwindow — Captures a window
Grabs a window or its client area using a windows handle (HWND property in COM instance)
Note:
This function is only available on Windows.
handle
The HWND window ID.
client_area
Include the client area of the application window.
Returns an image object on success, false
on failure.
E_NOTICE is issued if handle
is invalid
window handle.
E_WARNING is issued if the Windows API is too old.
Version | Description |
---|---|
8.0.0 | On success, this function returns a GDImage instance now; previously, a resource was returned. |
8.0.0 |
client_area expects a bool now;
previously it expected an int.
|
Example #1 imagegrabwindow() example
Capture a window (IE for example)
<?php$browser = new COM("InternetExplorer.Application");$handle = $browser->HWND;$browser->Visible = true;$im = imagegrabwindow($handle);$browser->Quit();imagepng($im, "iesnap.png");imagedestroy($im);?>
Capture a window (IE for example) but with its content
<?php$browser = new COM("InternetExplorer.Application");$handle = $browser->HWND;$browser->Visible = true;$browser->Navigate("http://www.libgd.org");/* Still working? */while ($browser->Busy) { com_message_pump(4000);}$im = imagegrabwindow($handle, 0);$browser->Quit();imagepng($im, "iesnap.png");imagedestroy($im);?>