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GoFiler Legato Script Reference
Legato v 1.5d Application v 5.25a
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Chapter Nine — Dialog Functions (continued)
Overview
The TrackbarSetPageSize function sets the number of logical positions the trackbar's slider moves in response to keyboard page up and page down input.
Syntax/Parameters
Syntax
int = TrackbarSetPageSize ( int id, int size );
Parameters
id
An int containing the control ID of the scrollbar control.
size
An int specifying the page step size in logical units.
Return Value
An int as ERROR_NONE or a formatted error code on failure. Common errors include: ERROR_RANGE if id is an invalid control ID for the open dialog or ERROR_INVALID_HANDLE if no dialog is open.
Remarks
The logical positions are the integer increments in the trackbar's range of minimum to maximum slider positions. The size specifies the larger increment value as the slider is moved with the keyboard.
If the page size is never set, the default value is 1/5th the range.
The trackbar control also sends a scroll notifications with the TRBN_LINEUP and TRBN_LINEDOWN notification codes to its parent window when the user presses the page keys.
Related Functions
Platform Support
Go13, Go16, GoFiler Complete, GoFiler Corporate, GoFiler, GoFiler Lite, GoXBRL
Legato IDE, Legato Basic
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