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DwmModifyPreviousDxFrameDuration function (dwmapi.h)

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Changes the number of monitor refreshes through which the previous frame will be displayed.

DwmModifyPreviousDxFrameDuration is no longer supported. Starting with Windows 8.1, calls to DwmModifyPreviousDxFrameDuration always return E_NOTIMPL.

Syntax

HRESULT DwmModifyPreviousDxFrameDuration(
  [in] HWND hwnd,
  [in] INT  cRefreshes,
  [in] BOOL fRelative
);

Parameters

[in] hwnd

The handle to the window for which the new duration is applied to the previous frame.

[in] cRefreshes

The number of refreshes to apply to the previous frame.

[in] fRelative

TRUE if the value given in cRefreshes is relative to the current value (added to or subtracted from it); FALSE if the value replaces the current value.

Return value

This function always returns S_OK, even when DWM is not running.

Requirements

Requirement Value
Minimum supported client Windows Vista [desktop apps only]
Minimum supported server Windows Server 2008 [desktop apps only]
Target Platform Windows
Header dwmapi.h
Library Dwmapi.lib
DLL Dwmapi.dll