///<summary>Method to raise event DragDropEvt.</summary>
public void On_DragDropEvt(Efl.Ui.IDndDragDropEvt_Args e)
{
EventHandler <Efl.Ui.IDndDragDropEvt_Args> evt;
lock (eventLock) {
evt = (EventHandler <Efl.Ui.IDndDragDropEvt_Args>)eventHandlers[DragDropEvtKey];
}
evt?.Invoke(this, e);
}
private void on_DragDropEvt_NativeCallback(System.IntPtr data, ref Efl.Event.NativeStruct evt)
{
Efl.Ui.IDndDragDropEvt_Args args = new Efl.Ui.IDndDragDropEvt_Args();
args.arg = evt.Info;;
try {
On_DragDropEvt(args);
} catch (Exception e) {
Eina.Log.Error(e.ToString());
Eina.Error.Set(Eina.Error.UNHANDLED_EXCEPTION);
}
}
///<summary>Method to raise event DragDropEvt.</summary>
public void OnDragDropEvt(Efl.Ui.IDndDragDropEvt_Args e)
{
var key = "_EFL_UI_DND_EVENT_DRAG_DROP";
IntPtr desc = Efl.EventDescription.GetNative(efl.Libs.Elementary, key);
if (desc == IntPtr.Zero)
{
Eina.Log.Error($"Failed to get native event {key}");
return;
}
IntPtr info = Marshal.AllocHGlobal(Marshal.SizeOf(e.arg));
try
{
Marshal.StructureToPtr(e.arg, info, false);
Efl.Eo.Globals.efl_event_callback_call(this.NativeHandle, desc, info);
}
finally
{
Marshal.FreeHGlobal(info);
}
}
