Method IdentifyGraphicsOverlaysAsync

IdentifyGraphicsOverlaysAsync(PointF, Double, Boolean)

Initiate an identify operation on all graphics overlays which will return the single visible topmost graphic per overlay only.

Declaration
public async Task<IReadOnlyList<IdentifyGraphicsOverlayResult>> IdentifyGraphicsOverlaysAsync(PointF screenPoint, double tolerance, bool returnPopupsOnly)
Parameters
Type Name Description
Android.Graphics.PointF screenPoint

The location on which to run identify in screen coordinates.
System.Double tolerance

The width and height in screen coordinates of the square centered on screen coordinate that will be used in the identify.
System.Boolean returnPopupsOnly

Controls whether the graphics property of the result is populated.
Returns
Type Description
System.Threading.Tasks.Task<System.Collections.Generic.IReadOnlyList<IdentifyGraphicsOverlayResult>>

A task that represents the asynchronous identify operation on all graphics overlays in the view The value of the TResult parameter contains a read-only collection of IdentifyGraphicsOverlayResult in top to bottom order.

Applies to

Platforms and versions
TargetVersions
Xamarin.Android100.0 - 100.15

IdentifyGraphicsOverlaysAsync(PointF, Double, Boolean, Int64)

Initiate an identify operation on all graphics overlays.

Declaration
public async Task<IReadOnlyList<IdentifyGraphicsOverlayResult>> IdentifyGraphicsOverlaysAsync(PointF screenPoint, double tolerance, bool returnPopupsOnly, long maximumResultsPerOverlay)
Parameters
Type Name Description
Android.Graphics.PointF screenPoint

The location on which to run identify in screen coordinates.
System.Double tolerance

The width and height in screen coordinates of the square centered on screen coordinate that will be used in the identify.
System.Boolean returnPopupsOnly

Controls whether the graphics property of the result is populated.
System.Int64 maximumResultsPerOverlay

The maximum number of graphics to return per overlay..
Returns
Type Description
System.Threading.Tasks.Task<System.Collections.Generic.IReadOnlyList<IdentifyGraphicsOverlayResult>>

A task that represents the asynchronous identify operation on all graphics overlays in the view The value of the TResult parameter contains a read-only collection of IdentifyGraphicsOverlayResult in top to bottom order.

Applies to

Platforms and versions
TargetVersions
Xamarin.Android100.0 - 100.15