ICameraControl::getRange_Exposure

Microsoft DirectShow 9.0

This topic applies only to Windows XP Service Pack 2 and later.

The getRange_Exposure method returns the range of exposure times supported by the camera.

Syntax

  HRESULT getRange_Exposure(
  long*  pMin,
  long*  pMax,
  long*  pSteppingDelta,
  long*  pDefault,
  long*  pCapsFlag
);

Parameters

pMin

[out] Receives the minimum exposure time, in log base 2 seconds. If the value is n, the exposure time is 2ⁿ seconds.

pMax

[out] Receives the maximum exposure time, in log base 2 seconds.

pSteppingDelta

[out] Receives the smallest step between settings.

pDefault

[out] Receives the default exposure time.

pCapsFlag

[out] Receives one or more flags. See CameraControlFlags.

Return Values

Returns an HRESULT value.

Requirements

Header: Include Vidcap.h.

Library: Use Strmiids.lib.

See Also

Zusätzliche Ressourcen