[ Version ( since = "1.1" ) ]
public virtual DataSourceRequest start_request (int x, int y, int zoom_level, Cancellable? cancellable = null)
Begins a request for a tile.
this |
a [class@DataSource] |
x |
X coordinate to request |
y |
Y coordinate to request |
zoom_level |
zoom level to request |
cancellable |
for cancelling the request |
a [class@DataSourceRequest] object for tracking the request. |