add unit test and finish operator test

BallanceTASEditor/UI/AddItem.xaml.cs

@@ -0,0 +1,42 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Shapes;
+
+namespace BallanceTASEditor.UI {
+    /// <summary>
+    /// AddItem.xaml 的交互逻辑
+    /// </summary>
+    public partial class AddItem : Window {
+        public AddItem() {
+            InitializeComponent();
+        }
+
+        public int Output_Count { get; private set; }
+        public float Output_DeltaTime { get; private set; }
+
+        private void funcBtn_OK(object sender, RoutedEventArgs e) {
+            int count;
+            float fps;
+            if (!int.TryParse(uiTextbox_Count.Text, out count)) return;
+            if (!float.TryParse(uiTextbox_FPS.Text, out fps)) return;
+
+            Output_Count = count;
+            Output_DeltaTime = 1000f / fps;
+
+            this.DialogResult = true;
+        }
+
+        private void funcBtn_Cancel(object sender, RoutedEventArgs e) {
+            this.DialogResult = false;
+        }
+    }
+}