Class AvaloniaControlCapture

Captures an Avalonia control as PNG bytes while coordinating with live Mapsui painting.

public static class AvaloniaControlCapture

Inherited Members: object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Methods

Renders target to PNG-encoded bytes on Avalonia's UI thread at scale device pixels per logical pixel.

public static Task<byte[]?> CapturePngAsync(Control target, double scale, CancellationToken cancellationToken = default)

target Control: The control to capture.
scale double: Device pixels per logical pixel: 1 renders at 96 dpi, 2 matches a Retina / HiDPI display.
cancellationToken CancellationToken: Optional cancellation token.

Task<byte[]>: PNG bytes, or null when the target has no positive laid-out size.

ArgumentNullException: target is null.
ArgumentOutOfRangeException: scale is not a positive, finite number.
OperationCanceledException: cancellationToken is canceled.
InvalidOperationException: The target contains a Mapsui control that does not derive from CaptureSynchronizedMapControl.

Renders target to PNG-encoded bytes on Avalonia's UI thread.

public static Task<byte[]?> CapturePngAsync(Control target, CancellationToken cancellationToken = default)

Task<byte[]>: PNG bytes, or null when the target has no positive laid-out size.

ArgumentNullException: target is null.
OperationCanceledException: cancellationToken is canceled.
InvalidOperationException: The target contains a Mapsui control that does not derive from CaptureSynchronizedMapControl.