Microsoft DirectX 9.0


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


HRESULT RefreshDisplayType(
    LPSTR 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.


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.

See Also