Updated the SchedulerStorage1_AppointmentChanging event

[AlexMedusa]

No description provided.

[DevExpressExampleBot]

Please correct the project and update this pull request by pushing a new commit.

[BUILDING ERROR]
   OUTPUT: vbc : error BC40057: Namespace or type specified in the project-level Imports 'System.Xml.Linq' doesn't contain any public member or cannot be found. Make sure the namespace or the type is defined and contains at least one public member. Make sure the imported element name doesn't use any aliases. [C:\Temp\5731c61b-16e2-4a58-b636-656fd73b9728\tempTestingVB\SimpleCustomFields\SimpleCustomFields.vbproj]
C:\Temp\5731c61b-16e2-4a58-b636-656fd73b9728\tempTestingVB\SimpleCustomFields\CarsDBDataSet.Designer.vb(3033,47): error BC30456: 'Properties' is not a member of 'SimpleCustomFields'. [C:\Temp\5731c61b-16e2-4a58-b636-656fd73b9728\tempTestingVB\SimpleCustomFields\SimpleCustomFields.vbproj]
C:\Temp\5731c61b-16e2-4a58-b636-656fd73b9728\tempTestingVB\SimpleCustomFields\CarsDBDataSet.Designer.vb(2384,47): error BC30456: 'Properties' is not a member of 'SimpleCustomFields'. [C:\Temp\5731c61b-16e2-4a58-b636-656fd73b9728\tempTestingVB\SimpleCustomFields\SimpleCustomFields.vbproj]

https://codecentralfarm.devexpress.devx/job/how-to-use-custom-appointment-fields-in-a-custom-editing-form-e2782_18.1.3+/82/console