BBjGrid::suppressUpdatesWhileScrolling
Description
In BBj 5.00 and higher, this method suppresses update requests to the program while the user scrolls the BBjGrid.
Syntax
Return Value |
Method |
void |
suppressUpdatesWhileScrolling(boolean suppress) |
Parameters
Parameter |
Description |
suppress |
Indication of whether to suppress updates during scrolling. |
Return Value
None.
Example
rem 'suppress updates when scrolling in a BBjStandardGrid object
rem 'Obtain the instance of the BBjAPI object
let myAPI!=BBjAPI()
rem 'Open the SysGui device
SYSGUI=UNT
OPEN (SYSGUI) "X0"
rem 'Obtain the instance of the BBjSysGui object
let mySysGui!=myAPI!.getSysGui()
rem 'Set addWindow param values
X=10
Y=10
WIDTH=400
HEIGHT=400
TITLE$="BBj Window"
rem 'Set the current context
mySysGui!.setContext(0)
rem 'Create a window
myWindow! = mySysGui!.addWindow(X,Y,WIDTH,HEIGHT,TITLE$)
rem 'Add a grid on the window
myGrid! = myWindow!.addGrid(101,50,100,300,150,$8060$,10,3)
rem 'Set the grid properties
myGrid!.setDefaultColumnWidth(130)
myGrid!.setGridEditable(1)
myGrid!.setHorizontalScrollable(mySysGui!.TRUE)
myGrid!.setVerticalScrollable(mySysGui!.TRUE)
rem 'Add text to the grid cells
FOR ROW = 0 TO 9
FOR COL = 0 TO 2
CELLTEXT$="row = " + STR(ROW+1) + ", col = " + STR(COL+1)
myGrid!.setCellText(ROW,COL,CELLTEXT$)
NEXT COL
NEXT ROW
rem 'suppress updates while scrolling
myGrid!.suppressUpdatesWhileScrolling(1)
rem 'Register the CALLBACK routines
CALLBACK(ON_CLOSE,APP_CLOSE,mySysGui!.getContext())
rem 'Process Events
process_events
rem 'Callback routine called when the user closes the application window
APP_CLOSE:
release
|
See Also
BBjAPI
BBjSysGui
BBjControl
BBjWindow
Methods of BBjGrid – Grid Scrolling
BBjGrid::getScrollUpdate
See the BBj Object Diagram for an illustration of the relationship between BBj Objects.