cairoGetUserData {RGtk2} | R Documentation

## cairoGetUserData

### Description

Return user data previously attached to `cr` using the specified key. If no user data has been attached with the given key this function returns `NULL`.

### Usage

    cairoGetUserData(cr, key)

### Arguments

``cr`` | [`Cairo`] a `Cairo`
``key`` | [`CairoUserDataKey`] the the `CairoUserDataKey` the user data was attached to

### Details

Since 1.4

### Value

[R object] the user data previously attached or `NULL`.

### Author(s)

Derived by RGtkGen from GTK+ documentation

[Package RGtk2 version 2.20.36.3 Index]