cairoSetUserData

[<code><a rd-options="" href="/link/Cairo?package=RGtk2&version=2.20.31" data-mini-rdoc="RGtk2::Cairo">Cairo</a></code>]  a <code><a rd-options="" href="/link/Cairo?package=RGtk2&version=2.20.31" data-mini-rdoc="RGtk2::Cairo">Cairo</a></code>

<code>cr</code>

[<code><a rd-options="" href="/link/CairoUserDataKey?package=RGtk2&version=2.20.31" data-mini-rdoc="RGtk2::CairoUserDataKey">CairoUserDataKey</a></code>]  the a <code><a rd-options="" href="/link/CairoUserDataKey?package=RGtk2&version=2.20.31" data-mini-rdoc="RGtk2::CairoUserDataKey">CairoUserDataKey</a></code> to attach the user data to

<code>key</code>

[R object]  the user data to attach to the <code><a rd-options="" href="/link/Cairo?package=RGtk2&version=2.20.31" data-mini-rdoc="RGtk2::Cairo">Cairo</a></code>

<code>user.data</code>

Attach user data to <code>cr</code>.  To remove user data from a surface,
call this function with the key that was used to set it and <code>NULL</code>
for <code>data</code>.

internal

Facilities in the R language for programming
graphical interfaces using Gtk, the Gimp Tool Kit.

cairoSetUserData: cairoSetUserData

Description

Usage

Arguments

Value

Details