HwInfo/SetupApi: enumerate only started devices

Mixaill · May 13, 2021 · cb39af3 · cb39af3
1 parent c85733a
commit cb39af3
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Showing 3 changed files with 21 additions and 1 deletion.
diff --git a/Mixaill.HwInfo.SetupApi/Defines/DeviceNodeStatus.cs b/Mixaill.HwInfo.SetupApi/Defines/DeviceNodeStatus.cs
@@ -0,0 +1,10 @@
+// Copyright 2021, Mikhail Paulyshka
+// SPDX-License-Identifier: MIT
+
+namespace Mixaill.HwInfo.SetupApi.Defines
+{
+    enum DeviceNodeStatus : uint
+    {
+        Started = 0x00000008
+    }
+}
diff --git a/Mixaill.HwInfo.SetupApi/DeviceInfoSet.cs b/Mixaill.HwInfo.SetupApi/DeviceInfoSet.cs
@@ -43,7 +43,16 @@ private unsafe void Initialize()
             data.cbSize = (uint)sizeof(SP_DEVINFO_DATA);
             while (PInvoke.SetupDiEnumDeviceInfo((void*)_handle.Value, idx, out data))
             {
-                Devices.Add(DeviceInfoFactory.Create(this, data));
+                uint status = 0;
+                uint problem_number = 0;
+                if(PInvoke.CM_Get_DevNode_Status(out status, out problem_number, data.DevInst, 0) == CONFIGRET.CR_SUCCESS)
+                {
+                    if ((status & (uint)DeviceNodeStatus.Started) == (uint)DeviceNodeStatus.Started)
+                    {
+                        Devices.Add(DeviceInfoFactory.Create(this, data));
+                    }
+                }
+
                 idx++;
             }
         }

diff --git a/Mixaill.HwInfo.SetupApi/NativeMethods.txt b/Mixaill.HwInfo.SetupApi/NativeMethods.txt
@@ -2,6 +2,7 @@
 INVALID_HANDLE_VALUE
 
 // DevInst/Functions
+CM_Get_DevNode_Status
 CM_Get_First_Log_Conf
 CM_Get_Next_Res_Des
 CM_Get_Res_Des_Data