private void RemoveFolder() { if (this._listOfFolders.Count == 0) { return; } CustumFolder remove = this._listOfFolders[this._listOfFolders.Count - 1]; this._listOfFolders.RemoveAt(this._listOfFolders.Count - 1); _nextPossitionCustomFolderY -= PANEL_CHECKBOX_CUSTOMFOLDERS_SIZE_Y + PANEL_CHECKBOX_PADDING_Y; remove.Dispose(); }