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TCustomScrollBar.Scroll procedure

Member of TCustomScrollBarprotectedIn unit StdCtrls

Signals the OnScroll event handler.

Declaration

pascal
procedure Scroll(ScrollCode: TScrollCode; var ScrollPos: Integer)
 ; virtual

Arguments

ScrollCode

Scroll command code for the operation; up or down a line, a page, to the top or bottom, etc.

ScrollPos

The new position for the scrollbar.

Description

Scroll is a method used to signal the OnScroll event handler (when assigned) for the control.

ScrollCode contains the scrollbar command constant for the scroll operation. ScrollPos contains the new position for the scrollbar when the operation is completed.

Scroll is called from the implementation of the private DoScroll method, which handles scrollbar control messages and sets the values for the arguments to the method.

See also

An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.