public static void RegisterSingleFileDragDrop(Control c, SingleFileReceiver r, Getter <string> filter)
{
c.AllowDrop = true;
c.DragEnter += delegate(object sender, DragEventArgs e)
{
e.Effect = DragDropEffects.None;
if (e.Data.GetDataPresent(DataFormats.FileDrop))
{
string[] files = (string[])e.Data.GetData(DataFormats.FileDrop, false);
if (files.Length == 1 && FileUtil.MatchesFilter(filter(), files[0]))
{
e.Effect = DragDropEffects.All;
}
}
};
c.DragDrop += delegate(object sender, DragEventArgs e)
{
r(((string[])e.Data.GetData(DataFormats.FileDrop, false))[0]);
};
}
public static void RegisterSingleFileDragDrop(Control c, SingleFileReceiver r, string filter)
{
RegisterSingleFileDragDrop(c, r, delegate() { return(filter); });
}
public static void RegisterSingleFileDragDrop(Control c, SingleFileReceiver r)
{
RegisterSingleFileDragDrop(c, r, "All files|*.*");
}
public static void RegisterSingleFileDragDrop(Control c, SingleFileReceiver r, Getter<string> filter)
{
c.AllowDrop = true;
c.DragEnter += delegate(object sender, DragEventArgs e)
{
e.Effect = DragDropEffects.None;
if (e.Data.GetDataPresent(DataFormats.FileDrop))
{
string[] files = (string[])e.Data.GetData(DataFormats.FileDrop, false);
if (files.Length == 1 && FileUtil.MatchesFilter(filter(), files[0]))
e.Effect = DragDropEffects.All;
}
};
c.DragDrop += delegate(object sender, DragEventArgs e)
{
r(((string[])e.Data.GetData(DataFormats.FileDrop, false))[0]);
};
}
public static void RegisterSingleFileDragDrop(Control c, SingleFileReceiver r, string filter)
{
RegisterSingleFileDragDrop(c, r, delegate() { return filter; });
}
public static void RegisterSingleFileDragDrop(Control c, SingleFileReceiver r)
{
RegisterSingleFileDragDrop(c, r, "*.*");
}