回答編集履歴
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解決した回答の記入
test
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自分にて試行錯誤したところ、windowメッセージを取得することで欲しい機能を実装することができました。
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下記に実装したコードを記しておきます。
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```C#
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class test : EditorWindow
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{
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[DllImport("user32.dll", EntryPoint = "SetWindowLong")]
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private static extern int SetWindowLong32(HandleRef hWnd, int nIndex, int dwNewLong);
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[DllImport("user32.dll", EntryPoint = "SetWindowLongPtr")]
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private static extern IntPtr SetWindowLongPtr64(HandleRef hWnd, int nIndex, IntPtr dwNewLong);
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[DllImport("user32.dll", EntryPoint = "DefWindowProcA")]
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private static extern IntPtr DefWindowProc(IntPtr hWnd, uint wMsg, IntPtr wParam, IntPtr lParam);
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[DllImport("user32.dll")]
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private static extern System.IntPtr GetActiveWindow();
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private HandleRef hMainWindow;
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private IntPtr oldWndProcPtr;
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private IntPtr newWndProcPtr;
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private WndProcDelegate newWndProc;
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// P/Invokeの定義 (pinvoke.net参照)
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public static IntPtr SetWindowLongPtr(HandleRef hWnd, int nIndex, IntPtr dwNewLong)
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{
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if (IntPtr.Size == 8)
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return SetWindowLongPtr64(hWnd, nIndex, dwNewLong);
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else
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{
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return new IntPtr(SetWindowLong32(hWnd, nIndex, dwNewLong.ToInt32()));
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}
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}
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const int WM_DEVICECHANGE = 0x0219;
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[StructLayout(LayoutKind.Sequential)]
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struct DEV_BROADCAST_VOLUME
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{
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public uint dbch_Size;
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public uint dbch_Devicetype;
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public uint dbch_Reserved;
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public uint dbch_Unitmask;
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public ushort dbch_Flags;
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}
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private IntPtr wndProc(IntPtr hWnd, uint msg, IntPtr wParam, IntPtr lParam)
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{
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if (msg == WM_DEVICECHANGE)
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{
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switch ((int)wParam)
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{
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case 0x8000:
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Debug.Log("デバイスが挿入され利用可能になりました。");
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DEV_BROADCAST_VOLUME device = (DEV_BROADCAST_VOLUME)Marshal.PtrToStructure(lParam, typeof(DEV_BROADCAST_VOLUME));
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uint deviceNum = device.dbch_Unitmask;
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char deviceLet = (char)0;
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for (int i = 0;i < 26; i++)
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{
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if (deviceNum == 0x01) deviceLet = (char)(i + 0x41);
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deviceNum >>= 1;
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}
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Debug.Log(deviceLet.ToString());
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break;
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case 0x0007:
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//Debug.Log("デバイスが追加または削除されました。");
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break;
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case 0x8004:
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//Debug.Log("デバイスが削除されました。");
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break;
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default:
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//Debug.Log("wndProc msg:0x" + msg.ToString("x4") + " wParam:0x" + wParam.ToString("x4") + " lParam:0x" + lParam.ToString("x4"));
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break;
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}
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}
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return DefWindowProc(hWnd, msg, wParam, lParam);
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}
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/// 終了
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~test()
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{
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Term();
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}
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/// 初期化(EditorWindowをShowした後にコール)
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public void Init()
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{
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// ウインドウプロシージャをフックする
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hMainWindow = new HandleRef(null, GetActiveWindow());
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newWndProc = new WndProcDelegate(wndProc);
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newWndProcPtr = Marshal.GetFunctionPointerForDelegate(newWndProc);
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oldWndProcPtr = SetWindowLongPtr(hMainWindow, -4, newWndProcPtr);
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}
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public void Term()
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{
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SetWindowLongPtr(hMainWindow, -4, oldWndProcPtr);
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hMainWindow = new HandleRef(null, IntPtr.Zero);
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oldWndProcPtr = IntPtr.Zero;
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newWndProcPtr = IntPtr.Zero;
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newWndProc = null;
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}
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void OnGUI()
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{
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// ウィンドウハンドルが切り替わったので初期化
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if (hMainWindow.Handle == IntPtr.Zero)
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{
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Init();
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}
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}
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}
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```
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上記のようにクラスを宣言し、Start関数内で下記のように呼ぶとウィンドウメッセージを取得できました。
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236
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5
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-
お騒がせしました。
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237
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+
私の力不足でお騒がせしました。
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```c#
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void Start()
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{
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parent = ScriptableObject.CreateInstance<test>();
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parent.Init();
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}
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```
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