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Public Member Functions | List of all members
PSICallback Class Reference

## Public Member Functions
| Refresh (psi, rect)
| A callback function used to refresh a specified region for PSI. More...
| Release ()
| A callback function used to release current callback object itself. More...

## Detailed Description

This class represents a callback object for refreshing a region for PSI. All the pure virtual functions in this class are used as callback functions and should be implemented by user. An implemented PSICallback object can be set to a PSI object by function PSI.SetCallback.

## Member Function Documentation

## ◆ Refresh()

PSICallback.Refresh | ( | psi | ,
|  | rect |
| ) |  |

A callback function used to refresh a specified region for PSI.

Parameters

  [in] | psi | A PSI object.
  [in] | rect | Rectangle of the refresh region.

Returns
  None.

## ◆ Release()

PSICallback.Release | ( |  | ) |

A callback function used to release current callback object itself.

Returns
  None.