gFileQueryDefaultHandler {RGtk2} | R Documentation

## gFileQueryDefaultHandler

### Description

Returns the `GAppInfo` that is registered as the default application to handle the file specified by `file`.

### Usage

    gFileQueryDefaultHandler(object, cancellable = NULL, .errwarn = TRUE)

### Arguments

``object`` | a `GFile` to open.
``cancellable`` | optional `GCancellable` object, `NULL` to ignore.
`.errwarn` | Whether to issue a warning on error or fail silently

### Details

If `cancellable` is not `NULL`, then the operation can be cancelled by triggering the cancellable object from another thread. If the operation was cancelled, the error `G_IO_ERROR_CANCELLED` will be returned.

### Value

A list containing the following elements:

`retval` | [`GAppInfo`] a `GAppInfo` if the handle was found, `NULL` if there were errors. When you are done with it,
``error`` | a `GError`, or `NULL`

### Author(s)

Derived by RGtkGen from GTK+ documentation

[Package RGtk2 version 2.20.36.3 Index]