IXamlDiagnostics2::GetUiLayerForXamlRoot method (xamlom.winui.h)

Gets the visual diagnostics root that can be used to draw on for highlighting elements in the tree.

Syntax

HRESULT GetUiLayerForXamlRoot(
  InstanceHandle instanceHandle,
  IInspectable   **ppLayer
);

Parameters

instanceHandle

A handle to the XamlRoot instance.

ppLayer

The visual diagnostics root.

Return value

If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Remarks

This method gets the UI layer associated with the XamlRoot passed in as the instanceHandle parameter. This method replaces IXamlDiagnostics::GetUiLayer, which assumes there is only one main window and only returns its UI layer.

Requirements

Requirement	Value
Minimum supported client	Windows 10, version 1809 (with Windows App SDK 1.0 or later)
Header	xamlom.winui.h