diff --git a/ISCamRecorder/Program.cs b/ISCamRecorder/Program.cs
index aeb7900..4527b82 100644
--- a/ISCamRecorder/Program.cs
+++ b/ISCamRecorder/Program.cs
@@ -5,6 +5,7 @@
 using System.Threading.Tasks;
 using System.Windows.Forms;
 using System.Diagnostics;
+using System.Management;
 
 namespace ISCamRecorder {
 
@@ -33,10 +34,42 @@
     // 共通クラス
     public static class Common {
 
+        /// <summary>
+        /// 時刻付きデバッグ出力
+        /// </summary>
+        /// <param name="msg"></param>
         public static void DebugOut(string msg) {
             var now = DateTime.Now;
             var timeStr = String.Format("{0:HH:mm:ss.fff}", now);
             Debug.WriteLine($"[{timeStr}] {msg}");
         }
+
+        /// <summary>
+        /// カメラ名一覧の取得
+        /// </summary>
+        /// <returns>カメラ名一覧</returns>
+        public static IEnumerable<string> GetCameraNames() {
+            var query = @"SELECT * FROM Win32_PnPSignedDriver "
+                + "WHERE DeviceID LIKE 'USB%' AND DeviceClass = 'Camera'";
+            var searcher = new ManagementObjectSearcher(query);
+            foreach (var device in searcher.Get().Cast<ManagementObject>().OrderBy(n => n["PDO"])) {
+                var name = device["FriendlyName"]?.ToString()
+                    ?? device["DeviceName"]?.ToString()
+                    ?? device["Description"]?.ToString() ?? "";
+                yield return name;
+            }
+        }
+
+        /// <summary>
+        /// カメラIDの取得
+        /// </summary>
+        /// <param name="cameraName">検索するカメラ名</param>
+        /// <param name="fullMatch">完全一致フラグ</param>
+        /// <returns>カメラID，見つからない時は-1</returns>
+        public static int GetCameraIndex(string cameraName, bool fullMatch = false) {
+            var cameraNames = GetCameraNames().ToList();
+            var index = cameraNames.FindIndex(c => fullMatch ? c.Equals(cameraName) : c.Contains(cameraName));
+            return index;
+        }
     }
 }