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CImageDisplay::RefreshDisplayType

  • Artículo
 
Microsoft DirectShow 9.0

CImageDisplay::RefreshDisplayType

The RefreshDisplayType method updates the object's video format to match the specified display.

Syntax

  HRESULT RefreshDisplayType(
    LPSTR szDeviceName
);

Parameters

szDeviceName

Pointer to a string that contains the name of the display device, as returned by the GDI EnumDisplayDevices function. To use the main display device, set this parameter to NULL.

Return Value

Returns S_OK if successful, or E_FAIL if unsuccessful.

Remarks

This method initializes the m_Display member to a video type that corresponds to the display mode on the specified device.

Call this method whenever a WM_DISPLAYCHANGED message is received, or to specify a secondary display device.

Requirements

**  Header:** Declared in Winutil.h; include Streams.h.

**  Library:** Use Strmbase.lib (retail builds) or Strmbasd.lib (debug builds).

See Also