PFND3DDDI_DESTROYAUTHENTICATEDCHANNEL callback function (d3dumddi.h)
The DestroyAuthenticatedChannel function releases resources for the authenticated channel that the CreateAuthenticatedChannel function creates.
Syntax
PFND3DDDI_DESTROYAUTHENTICATEDCHANNEL Pfnd3dddiDestroyauthenticatedchannel;
HRESULT Pfnd3dddiDestroyauthenticatedchannel(
HANDLE hDevice,
const D3DDDIARG_DESTROYAUTHENTICATEDCHANNEL *unnamedParam2
)
{...}
Parameters
hDevice
A handle to the display device (graphics context).
unnamedParam2
pData [in]
A pointer to a D3DDDIARG_DESTROYAUTHENTICATEDCHANNEL structure that contains one member that specifies the handle to the authenticated channel to destroy.
Return value
DestroyAuthenticatedChannel returns one of the following values:
| Return code | Description |
|---|---|
| S_OK | The authenticated channel is successfully destroyed. |
| E_OUTOFMEMORY | DestroyAuthenticatedChannel could not allocate the required memory for it to complete. |
Remarks
The driver's DestroyAuthenticatedChannel function should disable any protections that were set through calls to the driver's ConfigureAuthenticatedChannel function with the D3DAUTHETICATEDCONFIGURE_PROTECTION and D3DAUTHENTICATEDCONFIGURE_ENCRYPTIONWHENACCESIBLE GUIDs set. However, the driver should not disable shared surface protection (D3DAUTHETICATEDCONFIGURE_SHAREDRESOURCE).
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | DestroyAuthenticatedChannel is supported beginning with the Windows 7 operating system. |
| Target Platform | Desktop |
| Header | d3dumddi.h (include D3dumddi.h) |