public NativeCallback(IGlobalListener callback)
{
if (callback == null)
{
throw new ArgumentNullException("callback");
}
Callback = callback;
}
/// <summary>
/// Detaches particular callback listener.
/// </summary>
public static bool Detach(IGlobalListener callback)
{
if (callback != null && _list.Contains(callback))
{
_list.Remove(callback);
return(true);
}
return(false);
}
/// <summary>
/// Attaches particular callback listener.
/// </summary>
public static bool Attach(IGlobalListener callback)
{
if (callback != null && !_list.Contains(callback))
{
_list.Add(callback);
return(true);
}
return(false);
}
/// <summary>
/// Initializes a new instance of the <see cref="TaskHandle"/> class.
/// </summary>
public TaskHandle(ITaskProgress progress, CancellationToken cancellationToken, WaitHandle pauseHandle,
IGlobalListener callback)
{
if (progress == null)
{
throw new ArgumentNullException("progress");
}
if (pauseHandle == null)
{
throw new ArgumentNullException("pauseHandle");
}
if (callback == null)
{
throw new ArgumentNullException("callback");
}
Callback = callback;
PauseHandle = pauseHandle;
Progress = progress;
_cancellationToken = cancellationToken;
}
/// <summary>
/// Sets callback to the input datasource to provide IStopExecution implementation
/// for MapWinGIS methods.
/// </summary>
public static void SetCallbackToInputs(this IEnumerable <BaseParameter> parameters, IGlobalListener callback)
{
foreach (var p in parameters.OfType <LayerParameterBase>())
{
var ds = p.Datasource;
if (ds != null)
{
ds.Callback = callback;
}
}
}
public static NativeCallback Wrap(IGlobalListener callback)
{
return(callback != null ? new NativeCallback(callback) : null);
}
