getWindowsHandle {utils} | R Documentation |
Get the Windows handle of a window or of the R process in MS Windows.
getWindowsHandle(which = "Console")
which |
a string (see below), or the number of a graphics device
window (which must a |
getWindowsHandle
gets the Windows handle.
Possible choices for which
are:
"Console" | The console window handle. |
"Frame" | The MDI frame window handle. |
"Process" | The process pseudo-handle. |
A device number | The window handle of a graphics device |
These values are not normally useful to users, but may be used by developers making add-ons to R.
NULL
is returned for the Frame handle if not running in MDI mode,
for the Console handle when running Rterm, for any unrecognized
string for which
, or for a graphics device with no
corresponding window.
Other windows (help browsers, etc.) are not accessible through this function.
An external pointer holding the Windows handle, or NULL
.
This is only available on Windows.
getIdentification
, getWindowsHandles
if(.Platform$OS.type == "windows") print( getWindowsHandle() )