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TWOLScrollBar object
Unit: WOLGUI23.
Descendant of TWOLVisualControl. A WOL object, A basic scroll bar.

Public Methods and Events:

constructor Create (AOwner: TWOLRoot); override;
destructor Destroy; override;
procedure CreateGUIParams (to var aParams: TWOLParams; const wClass: TWOLClassType); override;
procedure CreateWnd (to var aParams: TWOLParams); override;
procedure AllocResources; override;
procedure FreeResources; override;
function WndPaint (to var Message: TWOLMessage): Boolean; override;
function WndCommand (to var Message: TWOLMessage): Boolean; override;
function WndProc (to var Message: TWOLMessage): Boolean; override;

Public properties and Events:

Kind: TWOLScrollBarSet (For Reading and Writing)
property that indicates the type of bar based and it's orientation (vertical or horizontal).

LargeChange: TWOLSmallInt (For Reading and Writing)
Property that indicates the value of movement of the maximum bar. This value is the change when the bar starts to roll and where it terminates.

Max: TWOLSmallInt (For Reading and Writing)
Property that indicates the maximum value that the bar can represent.

Min: TWOLSmallInt (For Reading and Writing)
Property that indicates the minimum value that the bar can represent.

Page: TWOLSmallInt (For Reading and Writing)
Property that indicates the value of the length of the position pointer in pixels.

Position: TWOLSmallInt (For Reading and Writing)
Property that indicates the value of the position of the pointer. This value must be between the Max and the Min.

SmallChange: TWOLSmallInt (For Reading and Writing)
Property that indicates the value of minimum displacement of the bar. This value is the amount the bar rolls between the arrows.

BarAlign: TWOLWinAlign (For Reading and Writing)
Property that indicates the alignment of the roller bar in relation to its container window.

Visible: Boolean (For Reading and Writing)
OnBeforeScroll: TWOLScrollEvent (For Reading and Writing)
Event that occurs before being effected bar roller.

OnAfterScroll: TWOLScrollEvent (For Reading and Writing)
Event that occurs after being effected the roller bar.

OnChange: TWOLEvent (For Reading and Writing)
Event that occurs when a movement in the bar is made by the user.

OnClick
OnMouseMove
OnDblClick
Border
WindowAlign
Left
Top
Width
Height
Color
Font
Cursor
Enabled
Hint
Tabstop
TabOrder
Ctrl3D

Labels: pascal, wolgui