Function

GObjectsignal_query

Declaration

void
g_signal_query (
  guint signal_id,
  GSignalQuery* query
)

Description

Queries the signal system for in-depth information about a specific signal. This function will fill in a user-provided structure to hold signal-specific information. If an invalid signal id is passed in, the signal_id member of the GSignalQuery is 0. All members filled into the GSignalQuery structure should be considered constant and have to be left untouched.

Parameters

`signal_id`	`guint`
	The signal id of the signal to query information for.
`query`	`GSignalQuery`
	A user provided structure that is filled in with constant values upon success.
	The argument will be set by the function.
	The data is owned by the caller of the function.