private void OnLayerDragDrop(object sender, DragEventArgs e) { if (e.Effect != DragDropEffects.Copy) { return; } var fmts = e.Data.GetFormats(); if (fmts == null || fmts.Length != 1) { return; } LayerEffect effect = e.Data.GetData(fmts[0]) as LayerEffect; CurrentDragLayer = true; CurrentDrag = this; if (effect != null) { //effect.Layer = this._layer.Shape switch (effect.Type) { case EffectType.Entry: effect.Duration = this.ctlEntryEffect.Width == 0 ? 2 : ctlEntryEffect.Effect.Duration; break; case EffectType.Exit: effect.Duration = this.ctlExitEffect.Width == 0 ? 2 : ctlExitEffect.Effect.Duration; break; default: effect.Duration = this.ctlEmphasis.Width == 0 ? 8 : ctlEmphasis.Effect.Duration; break; } //if (effect.Duration == 0) // effect.Duration = 2;//ControlService.SignCombo.Current.Template.Message. 2; ////else //// effect.Duration++; UndoService.BeginTransaction(String.Format("Add a {0} effect", effect.Type)); UndoService.AddLayerEffectAddedAction(effect); AddEffectFromDragDrop(effect); UndoService.Commit(); ControlService.RefreshPropertyGrid(_layer); CurrentDragLayer = false; return; } LayerControl frameLayer = e.Data.GetData(typeof(LayerControl)) as LayerControl; if (frameLayer != null) { OnDragLayer(frameLayer); } EffectContainer.Invalidate(); }