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  [Collapse]DevExpress.XtraScheduler.Drawing
   [Expand]AllDayAreaCell Class
   [Expand]AppointmentImageInfo Class
   [Expand]AppointmentImageInfoCollection Class
   [Expand]AppointmentViewInfo Class
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   [Expand]SchedulerHitInfo Class
   [Expand]SchedulerViewCellBase Class
   [Collapse]SchedulerViewInfoBase Class
     SchedulerViewInfoBase Members
    [Expand]SchedulerViewInfoBase Properties
    [Collapse]SchedulerViewInfoBase Methods
      CalcFinalLayout Method
      CalcHitInfo Method
      CalcPreliminaryAppointments Method
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 End-User Documentation

SchedulerViewInfoBase.CalcHitInfo Method

Returns information on scheduler elements located at the specified point.

Namespace:DevExpress.XtraScheduler.Drawing
Assembly:DevExpress.XtraScheduler.v17.1.dll

Expanded Syntax

Parameters

pt
Type: Point
A System.Drawing.Point structure which specifies the test point coordinates relative to the scheduler's top-left corner.
layoutOnly
Type: Boolean
true if the appointments are ignored and only the scheduler's layout is taken into consideration; otherwise, false.

Return value

Type: SchedulerHitInfo
A SchedulerHitInfo object which contains information about scheduler elements located at the test point.

Expanded Remarks

Use the CalcHitInfo method to determine which element is located at the specified point. For instance, this can be used when handling the scheduler's Click event to determine which element was clicked. In such cases, pass the current mouse pointer's coordinates as the method's parameter.

To know what element is located below the appointment being clicked, set the layoutOnly parameter of the CalcHitInfo function to true.

If you drag objects from other controls on the form, use the System.Windows.Forms.Control.PointToClient, to convert coordinates before using the CalcHitInfo method. The following code line enables you to get an appointment to which an object is dragged:

Expanded Example

Show Me

A complete sample project is available in the DevExpress Code Examples database at http://www.devexpress.com/example=E71.

The following examples demonstrate how to handle the SchedulerControl.MouseMove event and calculate the hit information for the point which the mouse pointer is currently hovering over. The information on the element located under the mouse pointer is shown within the form caption.

The second parameter of the CalcHitInfo method enables you to specify whether you need information on an appointment being clicked, or on a scheduler element located underneath.

When you drag an appointment over the scheduler, you can use the CalcHitInfo method to determine the scheduler area below. If you drag appointment to the All-Day Area, you can cancel the action.

Expanded See Also

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