Get a Windows Handle

Description

Get the Windows handle of a window or of the R process.

Usage

getWindowsHandle(which = "Console")

Arguments

Details

getWindowsHandle gets the Windows handle. Possible choices for which are:

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.

Value

An external pointer holding the Windows handle, or NULL.

Note

This is only available on Windows.

See Also

getIdentification, getWindowsHandles

Examples

getWindowsHandle()

Results

R version 3.3.1 (2016-06-21) -- "Bug in Your Hair"
Copyright (C) 2016 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-bit)

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

> library(utils)
> png(filename="/home/ddbj/snapshot/RGM3/R_rel/result/utils/getWindowsHandle.Rd_%03d_medium.png", width=480, height=480)
> ### Name: getWindowsHandle
> ### Title: Get a Windows Handle
> ### Aliases: getWindowsHandle
> ### Keywords: utilities
> 
> ### ** Examples
> 
> getWindowsHandle()
Error: could not find function "getWindowsHandle"
Execution halted