# BScrollBar Summary

## Function Summary

Function | Description
--- | ---
Archive() | Archives a BScrollBar into a BMessage
Archived Fields |
AttachedToWindow() | Provided for implementation
Constructor and Destructor |
Coordination |
Function Summary |
GetRange() | Returns the numerical limits of the scroll bar
GetSteps() | Returns the step amounts of the scroll bar
Hook Functions |
Instantiate() | Creates a BScrollBar from a BMessage
Member Functions |
Orientation() | Returns orientation of scrollbar (vertical or horizontal)
Proportion() | Returns the proportion of the document viewable within the target view
BScrollBar |
BScrollBar() | Constructor
~BScrollBar() | Destructor
Scroll Bar Options |
SetProportion() | Sets the proportion of the document viewable within the target view
SetRange() | Sets the numerical limits of the scroll bar
SetSteps() | Sets the step amounts of the scroll bar
SetTarget() | Sets the target view of the scroll bar
SetValue() | Sets the value of the scroll bar
Static Functions |
Target() | Returns the target view of the scroll bar
The Update Mechanism |
Value and Range |
Value() | Returns the value of the scroll bar
ValueChanged() | Hook called when the value of the scroll bar changes

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