IOverlay::GetColorKey

  • 项目

This method retrieves the current color key used for chroma keying.

HRESULT GetColorKey(
  COLORKEY* pColorKey
);

Parameters

  • pColorKey
    [out] Pointer to where the current color key for chroma keying is copied.

Return Values

None.

Remarks

If you change the color key by using the IOverlay::SetColorKey method, all the advise links receive an IOverlayNotify::OnColorKeyChange callback method with the new color.

If no color key is currently being used, this method returns VFW_E_NO_COLOR_KEY_SET.

Requirements

DirectShow applications and DirectShow filters have different include file and link library requirements. See Setting Up the Build Environment for more information.

OS Versions: Windows CE 2.12 and later. Version 2.12 requires DXPAK 1.0 or later.

See Also

IOverlay Interface

Last updated on Wednesday, April 13, 2005

© 2005 Microsoft Corporation. All rights reserved.