public unsafe SMHooks()
{
SMProcess = new ProcessSharp(System.Diagnostics.Process.GetCurrentProcess(),
MemoryType.Local);
// WndProc
WndProcDelegate = new ManagedWndProc(WndProc);
WndProcWrapper.SetCallback(Marshal.GetFunctionPointerForDelegate(WndProcDelegate));
// Native calls
SetupNativeMethods();
}
/// <summary>
/// Scan SuperMemo to find the methods matching the signatures provided by
/// <paramref name="nativeData" />. Also sets up the WndProc detour.
/// </summary>
/// <param name="nativeData">The offsets and method signatures for the running SuperMemo version</param>
private unsafe void InstallSM(NativeData nativeData)
{
_smProcess = new ProcessSharp(System.Diagnostics.Process.GetCurrentProcess(),
MemoryType.Local);
// WndProc
_wndProcDelegate = new ManagedWndProc(WndProc);
WndProcWrapper.SetCallback(Marshal.GetFunctionPointerForDelegate(_wndProcDelegate));
SMA.SetWndProcHookAddr(WndProcWrapper.GetWndProcNativeWrapperAddr());
// Native calls
ScanSMMethods(nativeData);
}
public bool InstallWndProcHook()
{
bool resumeThreads = false;
IEnumerable <IRemoteThread> threads = null;
try
{
while (TApplicationInstancePtr.Read <int>() == 0)
{
Thread.Sleep(100);
}
#pragma warning disable CS0618 // Type or member is obsolete
var currentThreadId = AppDomain.GetCurrentThreadId();
#pragma warning restore CS0618 // Type or member is obsolete
threads = SMProcess.ThreadFactory.RemoteThreads.Where(t => t.Id != currentThreadId);
foreach (var remoteThread in threads)
{
remoteThread.Suspend();
}
resumeThreads = true;
var wrapperAddr = WndProcWrapper.GetWndProcNativeWrapperAddr();
SMNatives.TApplication.TApplicationOnMessagePtr.Write <int>(SMProcess.Memory,
wrapperAddr);
return(true);
}
catch (Exception ex)
{
SMInject.Instance.OnException(ex);
return(false);
}
finally
{
if (resumeThreads)
{
foreach (var remoteThread in threads)
{
remoteThread.Resume();
}
}
}
}
//
// WndProc
public int GetWndProcNativeWrapperAddr()
{
return(WndProcWrapper.GetWndProcNativeWrapperAddr());
}
