|
public static FromType ( |
||
| type | /// A type /// | |
| return | ||
/// <summary>
/// Adds a value to the data source
/// </summary>
/// <param name='value'>
/// Value.
/// </param>
public void AddValue <T> (T value) where T : class
{
if (value == null)
{
throw new ArgumentNullException("value");
}
data [TransferDataType.FromType(typeof(T))] = value;
}
public static void SetData <T> (T data)
{
if (data == null)
{
throw new ArgumentNullException("data");
}
SetData(TransferDataType.FromType(data.GetType()), data);
}
public void AddValue(object value)
{
if (value == null)
{
throw new ArgumentNullException("value");
}
data [TransferDataType.FromType(value.GetType())] = value;
}
T ITransferData.GetValue <T> ()
{
object ob = GetValue(TransferDataType.FromType(typeof(T)));
if (ob == null || ob.GetType() == typeof(Type))
{
return((T)ob);
}
if (ob is byte[])
{
T val = (T)TransferDataSource.DeserializeValue((byte[])ob);
data[TransferDataType.FromType(typeof(T))] = val;
return(val);
}
return((T)ob);
}
public static T GetData <T> ()
{
return((T)Backend.GetData(TransferDataType.FromType(typeof(T))));
}
public static bool ContainsData <T> ()
{
return(Backend.IsTypeAvailable(TransferDataType.FromType(typeof(T))));
}
public static void SetData <T> (Func <T> dataSource)
{
Backend.SetData(TransferDataType.FromType(typeof(T)), delegate() {
return(dataSource());
});
}
public static IAsyncResult BeginGetData <T> (AsyncCallback callback, object state)
{
return(Backend.BeginGetData(TransferDataType.FromType(typeof(T)), callback, state));
}
/// <summary>
/// Registers that the data store contains data of the provided type
/// </summary>
/// <param name='type'>
/// A type
/// </param>
/// <remarks>
/// This method can be used in combination with DataRequestCallback to
/// generate the data on demand. In some scenarios, the drop/paste
/// side of a drag&drop or clipboard operation can decide if a drop/paste
/// is allowed or not by checking the available data type in this
/// data source. Once the operation is accepted, the DataRequestCallback
/// callback will be invoked to get the data for the type.
/// </remarks>
public void AddType(Type type)
{
data [TransferDataType.FromType(type)] = null;
}
public void SetDragSource(DragDropAction dragAction, params Type[] types)
{
Backend.SetDragSource(types.Select(t => TransferDataType.FromType(t)).ToArray(), dragAction);
}
public void SetDragDropTarget(params Type[] types)
{
Backend.SetDragTarget(types.Select(t => TransferDataType.FromType(t)).ToArray(), DragDropAction.All);
}
