RevokeScaleChangeNotifications function (shellscalingapi.h)

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

HRESULT RevokeScaleChangeNotifications(
  [in] DISPLAY_DEVICE_TYPE displayDevice,
  [in] DWORD               dwCookie
);

[in] displayDevice

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

[in] dwCookie

Type: DWORD

The registration token returned by a previous call to RegisterScaleChangeNotifications.

Type: STDAPI

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

Requirement	Value
Minimum supported client	Windows 8 [desktop apps only]
Minimum supported server	Windows Server 2012 [desktop apps only]
Target Platform	Windows
Header	shellscalingapi.h
DLL	Shcore.dll