[Overview][Constants][Types][Classes][Procedures and functions][Index] Reference for unit 'FPCanvas' (#fcl)

TFPCustomCanvas.CheckHelper

CheckHelper - method to ensure that a valid Helper has been called

Declaration

Source position: fpcanvas.pp line 261

protected procedure TFPCustomCanvas.CheckHelper(

  AHelper: TFPCanvasHelper

); virtual;

The latest version of this document can be found at lazarus-ccr.sourceforge.net.