From 41bba7f8aad8af66d8b4481b39d8622d4fe4f0a9 Mon Sep 17 00:00:00 2001
From: "Mr.Xia" <1424473282@qq.com>
Date: Sat, 23 May 2026 17:13:53 +0800
Subject: [PATCH] =?UTF-8?q?perf:=20=E5=90=AF=E5=8A=A8=E6=97=B6=E5=90=88?=
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Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
---
 App.xaml.cs | 110 +++++++++-------------------------------------------
 1 file changed, 19 insertions(+), 91 deletions(-)

diff --git a/App.xaml.cs b/App.xaml.cs
index 0e5bb3c..096172d 100644
--- a/App.xaml.cs
+++ b/App.xaml.cs
@@ -36,10 +36,25 @@ namespace DrillTools
             // 防止选择窗口关闭后触发 OnLastWindowClose 导致应用退出
             ShutdownMode = ShutdownMode.OnExplicitShutdown;
 
-            bool canClearParameters = CanClearDrillTapeParameters(filePath);
-            bool canGeneratePpDrillTape = CanGeneratePpDrillTape(filePath);
-            GetMinDiameters(filePath, out double minDrill, out double minSlot, out double minEA);
-            GetPpSpacing(filePath, out bool isPpDrillTape, out double ppXSpacing, out double ppYSpacing);
+            // 只读取和解析文件一次，提取所有需要的信息
+            string content = CommandTypeFileReader.ReadAllText(filePath);
+            var viewModel = new MainWindowViewModel
+            {
+                IsStartupDrillTapeFile = true,
+                OriginalFilePath = filePath,
+                ShouldCheckSortFileOnLoad = false
+            };
+            viewModel.LoadToolsFromDrillTape(content);
+
+            bool canClearParameters = DrillTapeParameterCleaner.CanClearParameters(content);
+            bool canGeneratePpDrillTape = viewModel.CanGeneratePpDrillTape;
+            double minDrill = viewModel.MinDrillDiameter;
+            double minSlot = viewModel.MinSlotDiameter;
+            double minEA = viewModel.MinEADiameter;
+            bool isPpDrillTape = viewModel.IsPpDrillTape;
+            double ppXSpacing = viewModel.PpXSpacing;
+            double ppYSpacing = viewModel.PpYSpacing;
+
             var selectionWindow = new StartupSelectionWindow(filePath, canClearParameters, canGeneratePpDrillTape, minDrill, minSlot, minEA, isPpDrillTape, ppXSpacing, ppYSpacing);
             selectionWindow.ShowDialog();
 
@@ -114,93 +129,6 @@ namespace DrillTools
             }
         }
 
-        private static bool CanClearDrillTapeParameters(string filePath)
-        {
-            try
-            {
-                string content = CommandTypeFileReader.ReadAllText(filePath);
-                return DrillTapeParameterCleaner.CanClearParameters(content);
-            }
-            catch
-            {
-                return false;
-            }
-        }
-
-        private static bool CanGeneratePpDrillTape(string filePath)
-        {
-            try
-            {
-                var viewModel = new MainWindowViewModel
-                {
-                    IsStartupDrillTapeFile = true,
-                    OriginalFilePath = filePath,
-                    ShouldCheckSortFileOnLoad = false
-                };
-
-                string content = CommandTypeFileReader.ReadAllText(filePath);
-                viewModel.LoadToolsFromDrillTape(content);
-                return viewModel.CanGeneratePpDrillTape;
-            }
-            catch
-            {
-                return false;
-            }
-        }
-
-        private static void GetMinDiameters(string filePath, out double minDrillDiameter, out double minSlotDiameter, out double minEADiameter)
-        {
-            minDrillDiameter = 0;
-            minSlotDiameter = 0;
-            minEADiameter = 0;
-
-            try
-            {
-                var viewModel = new MainWindowViewModel
-                {
-                    ShouldCheckSortFileOnLoad = false
-                };
-
-                string content = CommandTypeFileReader.ReadAllText(filePath);
-                viewModel.LoadToolsFromDrillTape(content);
-
-                if (viewModel.Tools.Count > 0)
-                {
-                    minDrillDiameter = viewModel.MinDrillDiameter;
-                    minSlotDiameter = viewModel.MinSlotDiameter;
-                    minEADiameter = viewModel.MinEADiameter;
-                }
-            }
-            catch
-            {
-            }
-        }
-
-        private static void GetPpSpacing(string filePath, out bool isPpDrillTape, out double ppXSpacing, out double ppYSpacing)
-        {
-            isPpDrillTape = false;
-            ppXSpacing = 0;
-            ppYSpacing = 0;
-
-            try
-            {
-                var viewModel = new MainWindowViewModel
-                {
-                    OriginalFilePath = filePath,
-                    ShouldCheckSortFileOnLoad = false
-                };
-
-                string content = CommandTypeFileReader.ReadAllText(filePath);
-                viewModel.LoadToolsFromDrillTape(content);
-
-                isPpDrillTape = viewModel.IsPpDrillTape;
-                ppXSpacing = viewModel.PpXSpacing;
-                ppYSpacing = viewModel.PpYSpacing;
-            }
-            catch
-            {
-            }
-        }
 
         private static void PerformPpDrillTapeGeneration(string filePath)
         {