private void AddNewLetter(DP_DataView dataItem)
        {
            var initializer = new LetterAreaInitializer();

            initializer.DataInstance = dataItem;
            var editLetterArea = new EditLetterArea(initializer);

            editLetterArea.LetterUpdated += EditLetterArea_LetterUpdated;
            AgentUICoreMediator.GetAgentUICoreMediator.UIManager.GetDialogWindow().ShowDialog(editLetterArea.View, "نامه", Enum_WindowSize.Big);
        }
        private void EditMenu_Clicked(object sender, EventArgs e, LetterDTO letter)
        {
            var initializer = new LetterAreaInitializer();

            initializer.LetterID = letter.ID;
            var editLetterArea = new EditLetterArea(initializer);

            editLetterArea.LetterUpdated += EditLetterArea_LetterUpdated;
            AgentUICoreMediator.GetAgentUICoreMediator.UIManager.GetDialogWindow().ShowDialog(editLetterArea.View, "نامه", Enum_WindowSize.Big);
        }