Hi Alex,
What version of DirectX SDK are you using?
Which line of code in your application causes this exception?
Firstly, Managed debugging assistants (MDAs) are debugging aids that work
in conjunction with the common language runtime (CLR) to provide
information on runtime state. The LoaderLock MDA detects attempts to
execute managed code on a thread that holds the Microsoft Windows operating
system loader lock.
I serached in our internal database and found a similar case in it. In that
case, the customer created a Windows application using managed DirectX SDK
and got LoaderLock MDA error when debugging on the following line of code:
Dim x as microsoft.directx.directsound.device
It was confirmed a known issue of managed DirectX and it hasn't been fixed
so far. However, this problem only exists when debugging application in VS
IDE. The temporary workaround is to turn off the LoaderLock MDA. To do
this, select menu Debug | Exceptions. In the Exception dialog, expand the
Managed Debugging Assistants node and clear the checkbox under the Thrown
column of the LoaderLock node.
Hope this helps.
If you have any concern, please feel free to let me know.
Sincerely,
Linda Liu
Microsoft Online Community Support
Delighting our customers is our #1 priority. We welcome your comments and
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