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RevokeScaleChangeNotifications function

Revokes the registration of a window, preventing it from receiving callbacks when scaling information changes.

Note  This function is not supported as of Windows 8.1. Use UnregisterScaleChangeEvent instead.

Syntax


STDAPI RevokeScaleChangeNotifications(
  _In_ DISPLAY_DEVICE_TYPE displayDevice,
  _In_ DWORD               dwCookie
);

Parameters

displayDevice [in]

Type: DISPLAY_DEVICE_TYPE

The enum value that indicates which display device to receive notifications about.

dwCookie [in]

Type: DWORD

The registration token returned by a previous call to RegisterScaleChangeNotifications.

Return value

Type: STDAPI

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

Requirements

Minimum supported client

Windows 8 [desktop apps only]

Minimum supported server

Windows Server 2012 [desktop apps only]

Header

ShellScalingAPI.h

DLL

Shcore.dll

See also

GetScaleFactorForMonitor
RegisterScaleChangeEvent
UnregisterScaleChangeEvent

 

 

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