private void ListViewControl_DragDrop(object sender, DragEventArgs e)
{
if (e.Effect != DragDropEffects.Copy)
{
return;
}
if (!e.Data.GetDataPresent(typeof(DragDropData)))
{
return;
}
DragDropData data = e.Data.GetData(typeof(DragDropData)) as DragDropData;
DragDropKey key = new DragDropKey(data.SourceColumn.GetType().FullName, GetType().FullName);
DragDropAction action = Host.DragDropHandlers[key];
action.Invoke(data.SourceColumn, this, data.Items);
}
private void ListViewControl_DragEnter(object sender, DragEventArgs e)
{
e.Effect = DragDropEffects.None;
if (!e.Data.GetDataPresent(typeof(DragDropData)))
{
return;
}
DragDropData data = e.Data.GetData(typeof(DragDropData)) as DragDropData;
DragDropKey key = new DragDropKey(data.SourceColumn.GetType().FullName, GetType().FullName);
if (!Host.DragDropHandlers.ContainsKey(key))
{
return;
}
e.Effect = DragDropEffects.Copy;
}