StdCtrls.TScrollCode Enumeration

TScrollCode indicates what action the user performed on a scroll bar.

Pascal

TScrollCode = (
  scLineUp,
  scLineDown,
  scPageUp,
  scPageDown,
  scPosition,
  scTrack,
  scTop,
  scBottom,
  scEndScroll
);

C++

enum TScrollCode {
  scLineUp,
  scLineDown,
  scPageUp,
  scPageDown,
  scPosition,
  scTrack,
  scTop,
  scBottom,
  scEndScroll
};

TScrollCode describes the type of scrolling action requested. It can be any of the following values:

Value	Meaning
scLineUp	User clicked the top or left scroll arrow or pressed the Up or Left arrow key.
scLineDown	User clicked the bottom or right scroll arrow or pressed the Down or Right arrow key.
scPageUp	User clicked the area to the left of the thumb tab or pressed the PgUp key.
scPageDown	User clicked the area to the right of the thumb tab or pressed the PgDn key.
scPosition	User positioned the thumb tab and released it.
scTrack	User is moving the thumb tab.
scTop	User moved the thumb tab to the top or far left on the scroll bar.
scBottom	User moved the thumb tab to the bottom or far right on the scroll bar.
scEndScroll	User finished moving the thumb tab on the scroll bar.

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