getProperty method
Gets a property on this object.
If signature
is provided this causes this method to throw a
DBusPropertySignatureException
if a property is returned that does not
match the provided signature.
Throws DBusServiceUnknownException
if there is the requested service is not available.
Throws DBusUnknownObjectException
if this object is not available.
Throws DBusUnknownInterfaceException
if properties are not supported by this object.
Throws DBusUnknownPropertyException
if the property doesn't exist.
Throws DBusPropertyWriteOnlyException
if the property can't be read.
Implementation
Future<DBusValue> getProperty(String interface, String name,
{DBusSignature? signature}) async {
var result = await client.callMethod(
destination: this.name,
path: path,
interface: 'org.freedesktop.DBus.Properties',
name: 'Get',
values: [DBusString(interface), DBusString(name)],
replySignature: DBusSignature('v'));
var value = result.returnValues[0].asVariant();
if (signature != null && value.signature != signature) {
throw DBusPropertySignatureException('$interface.$name', value);
}
return value;
}