cairoSurfaceGetUserData

[<verb><a href="/link/CairoSurface?package=RGtk2&version=2.12.17" rd-options="" data-mini-rdoc="RGtk2::CairoSurface">CairoSurface</a></verb>]  a <verb><a href="/link/CairoSurface?package=RGtk2&version=2.12.17" rd-options="" data-mini-rdoc="RGtk2::CairoSurface">CairoSurface</a></verb>

<verb>surface</verb>

[<verb><a href="/link/CairoUserDataKey?package=RGtk2&version=2.12.17" rd-options="" data-mini-rdoc="RGtk2::CairoUserDataKey">CairoUserDataKey</a></verb>]  the the <verb><a href="/link/CairoUserDataKey?package=RGtk2&version=2.12.17" rd-options="" data-mini-rdoc="RGtk2::CairoUserDataKey">CairoUserDataKey</a></verb> the user data was
attached to

<verb>key</verb>

Return user data previously attached to <code>surface</code> using the specified
key.  If no user data has been attached with the given key this
function returns <code>NULL</code>.

internal

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

cairoSurfaceGetUserData: cairoSurfaceGetUserData

Description

Usage

Arguments

Value