[reactos] 01/01: [POWERCFG] Disable the "Enable hibernation" checkbox if the system does not support hibernation

[Eric Kohl]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=beeb989eaa5ad095c106f…

commit beeb989eaa5ad095c106f46036c639bf34d8cda1
Author:     Eric Kohl <eric.kohl(a)reactos.org>
AuthorDate: Sun Mar 15 14:19:42 2020 +0100
Commit:     Eric Kohl <eric.kohl(a)reactos.org>
CommitDate: Sun Mar 15 14:21:11 2020 +0100

    [POWERCFG] Disable the "Enable hibernation" checkbox if the system does not
support hibernation
---
 dll/cpl/powercfg/hibernate.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/dll/cpl/powercfg/hibernate.c b/dll/cpl/powercfg/hibernate.c
index 02e774e784e..3f19aea2ab3 100644
--- a/dll/cpl/powercfg/hibernate.c
+++ b/dll/cpl/powercfg/hibernate.c
@@ -19,6 +19,7 @@ Hib_InitDialog(HWND hwndDlg)
     TCHAR szTemp[MAX_PATH];
     LPTSTR lpRoot;
     ULARGE_INTEGER FreeBytesAvailable, TotalNumberOfBytes, TotalNumberOfFreeBytes;
+    BOOLEAN bHibernate;
 
     if (GetPwrCapabilities(&PowerCaps))
     {
@@ -59,6 +60,12 @@ Hib_InitDialog(HWND hwndDlg)
             ShowWindow(GetDlgItem(hwndDlg, IDC_TOLESSFREESPACE), FALSE);
             EnableWindow(GetDlgItem(hwndDlg, IDC_HIBERNATEFILE), TRUE);
         }
+
+        bHibernate = PowerCaps.HiberFilePresent ? TRUE : FALSE;
+        if (CallNtPowerInformation(SystemReserveHiberFile, &bHibernate,
sizeof(bHibernate), NULL, 0) != STATUS_SUCCESS)
+        {
+            EnableWindow(GetDlgItem(hwndDlg, IDC_HIBERNATEFILE), FALSE);
+        }
     }
 }