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

HRESULT GetColorKey(
  COLORKEY* pColorKey


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

Return Values



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.


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

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