Overlay¶
Namespace: ThinkGeo.UI.XamarinForms
public abstract class Overlay
Properties¶
Name¶
Gets or sets the name.
public abstract string Name { get; set; }
Property Value¶
String
The name.
IsVisible¶
Gets or sets a value indicating whether this instance is visible.
public abstract bool IsVisible { get; set; }
Property Value¶
Boolean
true if this instance is visible; otherwise, false.
Opacity¶
Gets or sets the Alpha value of the overlay, from 0 to 1.0
public abstract double Opacity { get; set; }
Property Value¶
Methods¶
Refresh()¶
This method refreshes all the content in the OverlayCanvas. For example, LayerOverlay with multiple tiles; when the style of one layer is changed, call Refresh to refresh all the tiles to accept new styles.
public abstract void Refresh()
Remarks:
The difference from Draw() method is that Refresh() method refreshs all the elements while Draw() does not.
GetBoundingBox()¶
Gets the bounding box.
public abstract RectangleShape GetBoundingBox()
Returns¶
RectangleShape
RectangleShape.