TouchPanelGetDeviceCaps (Windows Embedded CE 6.0)

1/6/2010

This function returns information about the capabilities of the touch screen.

Syntax

BOOL TouchPanelGetDeviceCaps(
  INT iIndex,
  LPVOID lpOutput 
);

Parameters

• iIndex
  [in] Integer specifying the capability to query. The following table shows the integers you can specify.

  Value	Description
  TPDC_SAMPLE_RATE_ID	Sample rate.
  TPDC_CALIBRATION_POINT_COUNT_ID	Number of calibration points used for calibration.
  TPDC_CALIBRATION_POINT_ID	Coordinates, x and y, used for calibration mapping.

• lpOutput
  [out] Pointer to the memory locations to place the queried information. The format of the referenced memory depends on the setting of iIndex. The following table shows the iIndex value and the corresponding lpOutput formats.

  Value	Description
  TPDC_SAMPLE_RATE_ID	Pointer to a TPDC_SAMPLE_RATE structure.
  TPDC_CALIBRATION_POINT_COUNT_ID	Pointer to a TPDC_CALIBRATION_POINT_COUNT structure.
  TPDC_CALIBRATION_POINT_ID	Pointer to a TPDC_CALIBRATION_POINT structure.

Return Value

TRUE indicates success. FALSE indicates failure.

Requirements

See Also

Reference

Touch Screen Driver Functions
TPDC_SAMPLE_RATE
TPDC_CALIBRATION_POINT_COUNT
TPDC_CALIBRATION_POINT