private void RemoveExternalStoragePolicyChangedCallback()
{
int ret = Interop.DevicePolicyManager.RemovePolicyChangedCallback(_dpm.GetHandle(), _externalStorageCallbackId);
if (ret != (int)Interop.DevicePolicyManager.ErrorCode.None)
{
Log.Error(Globals.LogTag, "Failed to remove policy changed callback, name " + _externalStoragePolicyName + ", ret : " + ret);
throw DevicePolicyManagerErrorFactory.CreateException(ret);
}
_externalStoragePolicyChangedCallback = null;
_externalStorageCallbackId = 0;
}
private void AddExternalStoragePolicyChangedCallback()
{
if (_externalStoragePolicyChangedCallback == null)
{
_externalStoragePolicyChangedCallback = (string name, string state, IntPtr userData) =>
{
_externalStoragePolicyChanged?.Invoke(this, new PolicyChangedEventArgs(ExternalStoragePolicyName, state));
};
}
int ret = Interop.DevicePolicyManager.AddPolicyChangedCallback(_dpm.GetHandle(), _externalStoragePolicyName, _externalStoragePolicyChangedCallback, IntPtr.Zero, out _externalStorageCallbackId);
if (ret != (int)Interop.DevicePolicyManager.ErrorCode.None)
{
Log.Error(Globals.LogTag, "Failed to add policy changed callback, name " + _externalStoragePolicyName + ", ret : " + ret);
throw DevicePolicyManagerErrorFactory.CreateException(ret);
}
}
