public async Async.Task DeltaLinkDriveItem()
{
try
{
// Get our first delta page.
var driveItemDeltaCollectionPage = await graphClient.Me.Drive.Root.Delta().Request().GetAsync();
// Go through all of the delta pages so that we can get the delta link on the last page.
while (driveItemDeltaCollectionPage.NextPageRequest != null)
{
driveItemDeltaCollectionPage = await driveItemDeltaCollectionPage.NextPageRequest.GetAsync();
}
// At this point we're up to date. messagesDeltaCollectionPage now has a deltalink.
object deltaLink;
// Now let's use the deltalink to make sure there aren't any changes. There shouldn't be.
if (driveItemDeltaCollectionPage.AdditionalData.TryGetValue("@odata.deltaLink", out deltaLink))
{
driveItemDeltaCollectionPage.InitializeNextPageRequest(graphClient, deltaLink.ToString());
driveItemDeltaCollectionPage = await driveItemDeltaCollectionPage.NextPageRequest.GetAsync();
}
Assert.NotNull(deltaLink);
Assert.Equal(0, driveItemDeltaCollectionPage.Count);
// Create file to change.
var excelTest = new ExcelTests();
var fileId = await excelTest.OneDriveCreateTestFile("_testDeltaLinkFile.xlsx");
// Now let's use the deltalink to make sure there aren't any changes.
if (driveItemDeltaCollectionPage.AdditionalData.TryGetValue("@odata.deltaLink", out deltaLink))
{
driveItemDeltaCollectionPage.InitializeNextPageRequest(graphClient, deltaLink.ToString());
driveItemDeltaCollectionPage = await driveItemDeltaCollectionPage.NextPageRequest.GetAsync();
}
// We expect two changes, one new item, and the root folder will have a change.
Assert.Equal(2, driveItemDeltaCollectionPage.Count);
// Delete the file
await excelTest.OneDriveDeleteTestFile(fileId, 5000);
}
catch (Microsoft.Graph.ServiceException e)
{
Assert.True(false, $"Error code: {e.Error.Code}");
}
catch (Exception e)
{
Assert.True(false, $"Error code: {e.Message}");
}
}
public async Task DeltaLinkDriveItem()
{
// Get our first delta page.
var driveItemDeltaCollectionPage = await graphClient.Me.Drive.Root.Delta().Request().GetAsync();
// Go through all of the delta pages so that we can get the delta link on the last page.
while (driveItemDeltaCollectionPage.NextPageRequest != null)
{
driveItemDeltaCollectionPage = await driveItemDeltaCollectionPage.NextPageRequest.GetAsync();
}
// At this point we're up to date. messagesDeltaCollectionPage now has a deltalink.
object deltaLink;
// Now let's use the deltalink to make sure there aren't any changes. There shouldn't be.
if (driveItemDeltaCollectionPage.AdditionalData.TryGetValue(Constants.OdataInstanceAnnotations.DeltaLink, out deltaLink))
{
driveItemDeltaCollectionPage.InitializeNextPageRequest(graphClient, deltaLink.ToString());
driveItemDeltaCollectionPage = await driveItemDeltaCollectionPage.NextPageRequest.GetAsync();
}
Assert.NotNull(deltaLink);
Assert.Equal(driveItemDeltaCollectionPage.Count, 0);
// Create file to change.
var excelTest = new ExcelTests();
var fileId = await excelTest.OneDriveCreateTestFile("_testDeltaLinkFile.xlsx");
// Now let's use the deltalink to make sure there aren't any changes.
if (driveItemDeltaCollectionPage.AdditionalData.TryGetValue(Constants.OdataInstanceAnnotations.DeltaLink, out deltaLink))
{
driveItemDeltaCollectionPage.InitializeNextPageRequest(graphClient, deltaLink.ToString());
driveItemDeltaCollectionPage = await driveItemDeltaCollectionPage.NextPageRequest.GetAsync();
}
// We expect two changes, one new item, and the root folder will have a change.
Assert.Equal(driveItemDeltaCollectionPage.Count, 2);
// Delete the file
await excelTest.OneDriveDeleteTestFile(fileId, 5000);
}