Fix registry navigation timing issue with proper window handle waits

Co-authored-by: Jack251970 <[email protected]>

Author: Copilot

ContextMenuManager/BluePointLilac.Methods/ExternalProgram.cs

@@ -35,13 +35,36 @@ public static void JumpRegEdit(string regPath, string valueName = null, bool mor
                 //注册表编辑器窗口多开
                 process = Process.Start("regedit.exe", "-m");
                 process.WaitForInputIdle();
-                hMain = process.MainWindowHandle;
+                
+                // 等待主窗口句柄可用，最多等待5秒
+                int retries = 50;
+                while (retries-- > 0)
+                {
+                    process.Refresh();
+                    hMain = process.MainWindowHandle;
+                    if (hMain != IntPtr.Zero) break;
+                    Thread.Sleep(100);
+                }
+                
+                if (hMain == IntPtr.Zero) return;
             }
 
             ShowWindowAsync(hMain, SW_SHOWNORMAL);
             SetForegroundWindow(hMain);
-            var hTree = FindWindowEx(hMain, IntPtr.Zero, "SysTreeView32", null);
-            var hList = FindWindowEx(hMain, IntPtr.Zero, "SysListView32", null);
+            
+            // 等待树视图和列表视图控件就绪，最多等待5秒
+            IntPtr hTree = IntPtr.Zero;
+            IntPtr hList = IntPtr.Zero;
+            int retries2 = 50;
+            while (retries2-- > 0)
+            {
+                hTree = FindWindowEx(hMain, IntPtr.Zero, "SysTreeView32", null);
+                hList = FindWindowEx(hMain, IntPtr.Zero, "SysListView32", null);
+                if (hTree != IntPtr.Zero && hList != IntPtr.Zero) break;
+                Thread.Sleep(100);
+            }
+            
+            if (hTree == IntPtr.Zero || hList == IntPtr.Zero) return;
 
             SetForegroundWindow(hTree);
             SetFocus(hTree);