maui-devexpress-dot-maui-dot-scheduler-dot-datasource-b8c8ef18.md
Allows you to load appointments only for the specified date range.
Namespace : DevExpress.Maui.Scheduler
Assembly : DevExpress.Maui.Scheduler.dll
NuGet Package : DevExpress.Maui.Scheduler
public event FetchDataEventHandler FetchAppointments
The FetchAppointments event's data class is FetchDataEventArgs. The following properties provide information specific to this event:
| Property | Description |
|---|---|
| AsyncResult | Gets or sets the Task that allows you to fetch data asynchronously. This is a bindable property. |
| CancellationToken | Gets an object that notifies that the current data load operation was cancelled during the asynchronous data fetch process. |
| Ids | Gets the identifiers of reloaded appointments that the ReloadAppointments() method returns. |
| Interval | Gets the time interval that includes all loaded appointments. |
| Result | Gets or sets the list of appointments you need to load from the data source. This is a bindable property. |
The event data class exposes the following methods:
| Method | Description |
|---|---|
| GetFetchExpression<T>() | Generates an expression you can use to obtain appointments from the data source. |
| IsVisibleInterval() | Determines whether the specified interval is visible in the Scheduler when data loads asynchronously. |
Specify QueryStart and QueryEnd mappings to handle the FetchAppointments event. These mappings allow you to calculate the correct interval used in a SELECT query when you handle the FetchAppointments event.
See Also