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I just got started with DirectX 11.1 for Windows 8 apps and I got the following ComPtr for example:
ComPtr<ID3D11Buffer> constantBuffer;
What I wonder is, what is the difference between using &constantBuffer and constantBuffer.GetAddressOf()?
Sometimes they both works fine, but sometimes using &constantBuffer will cause my program to crash with an access violation.
Did you read documentation?
GetAddressOf – Retrieves the address of the ptr_ data member, which contains a pointer to the interface represented by this ComPtr.
Operator& – Releases the interface associated with this ComPtr object and then retrieves the address of the ComPtr object.