internal static int DRMParseUnboundLicense(
string certificate,
out SafeRightsManagementQueryHandle queryRootHandle)
{
int res = UnsafeNativeMethods.DRMParseUnboundLicense(
certificate,
out queryRootHandle);
// on some platforms in the failure cases the out parameter is being created with the value 0
// in order to simplify error handling and Disposing of those handles we will just close them as
// soon as we detect such case
if ((queryRootHandle != null) && queryRootHandle.IsInvalid)
{
queryRootHandle.Dispose();
queryRootHandle = null;
}
return(res);
}
internal static int DRMGetUnboundLicenseObject(
SafeRightsManagementQueryHandle queryRootHandle,
string subObjectType,
uint index,
out SafeRightsManagementQueryHandle subQueryHandle)
{
int res = UnsafeNativeMethods.DRMGetUnboundLicenseObject(
queryRootHandle,
subObjectType,
index,
out subQueryHandle);
// on some platforms in the failure cases the out parameter is being created with the value 0
// in order to simplify error handling and Disposing of those handles we will just close them as
// soon as we detect such case
if ((subQueryHandle != null) && subQueryHandle.IsInvalid)
{
subQueryHandle.Dispose();
subQueryHandle = null;
}
return(res);
}
internal static int DRMGetUnboundLicenseObject(
SafeRightsManagementQueryHandle queryRootHandle,
string subObjectType,
uint index,
out SafeRightsManagementQueryHandle subQueryHandle)
{
SecurityHelper.DemandRightsManagementPermission();
int res = UnsafeNativeMethods.DRMGetUnboundLicenseObject(
queryRootHandle,
subObjectType,
index,
out subQueryHandle);
// on some platforms in the failure cases the out parameter is being created with the value 0
// in order to simplify error handling and Disposing of those handles we will just close them as
// soon as we detect such case
if ((subQueryHandle != null) && subQueryHandle.IsInvalid)
{
subQueryHandle.Dispose();
subQueryHandle = null;
}
return res;
}
