MapControl.ZoomToFit(IEnumerable<MapItem>, Double) Method
Zooms the map to fit the area containing items sent as a parameter.
Namespace: DevExpress.XtraMap
Assembly: DevExpress.XtraMap.v20.1.dll
NuGet Package: DevExpress.Win.Map
Declaration
Parameters
Name | Type | Description |
---|---|---|
items | IEnumerable<MapItem> | A IEnumerable object containing MapItem descendant objects that should be visible on a map after zooming. |
paddingFactor | Double | A Double object, which tunes the border size around visible map items. |
Remarks
- When vector items loading in a runtime this method should be called from LayerBase.DataLoaded event handler.
This method works as follows.
Calculates a bounding box around objects.
Zooms the map to fit the box. Note that the padding factor is applied to the larger dimension of the box.
The following image shows an instance when a horizontal dimension larger than the vertical. (“PF” means “Padding Factor” on images)
When the vertical dimension is larger than the horizontal, the zoom appears as follows.
Note, that the padding factor is divided by two for each side of the region.
In the instance of the following code
The result should look like the following.
Related GitHub Examples
The following code snippets (auto-collected from DevExpress Examples) contain references to the ZoomToFit(IEnumerable<MapItem>, Double) method.
Note
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