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icorewebview2experimentalcompositioncontroller2.md

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description title author ms.author ms.date ms.topic keywords
This interface is continuation of the ICoreWebView2ExperimentalCompositionController interface.
WebView2 Win32 C++ ICoreWebView2ExperimentalCompositionController2
MSEdgeTeam
msedgedevrel
11/23/2020
reference
IWebView2, IWebView2WebView, webview2, webview, win32 apps, win32, edge, ICoreWebView2, ICoreWebView2Controller, browser control, edge html, ICoreWebView2ExperimentalCompositionController2

interface ICoreWebView2ExperimentalCompositionController2

[!INCLUDE deprecation-note]

[!INCLUDE prerelease-note]

interface ICoreWebView2ExperimentalCompositionController2
  : public IUnknown

This interface is continuation of the ICoreWebView2ExperimentalCompositionController interface.

Summary

Members Descriptions
get_SystemCursorId The current system cursor ID reported by the underlying rendering engine for WebView.

Members

get_SystemCursorId

The current system cursor ID reported by the underlying rendering engine for WebView.

public HRESULT get_SystemCursorId(UINT32 * systemCursorId)

For example, most of the time, when the cursor is over text, this will return the int value for IDC_IBEAM. The systemCursorId is only valid if the rendering engine reports a default Windows cursor resource value. Navigate to LoadCursorW for more details. Otherwise, if custom CSS cursors are being used, this will return 0. To actually use systemCursorId in LoadCursor or LoadImage, MAKEINTRESOURCE must be called on it first.

                        UINT32 cursorId;
                        wil::com_ptr<ICoreWebView2ExperimentalCompositionController2> compositionController2 =
                            m_controller.query<ICoreWebView2ExperimentalCompositionController2>();
                        CHECK_FAILURE(compositionController2->get_SystemCursorId(&cursorId));
                        cursor = ::LoadCursor(nullptr, MAKEINTRESOURCE(cursorId));
                        if (cursor == nullptr)
                        {
                            hr = HRESULT_FROM_WIN32(GetLastError());
                        }