LeftColumnChanged Event

Occurs when the left column changes.

Syntax

Javascript (Usage)
Javascript (Specification)

var instance; // Type: Events
instance.LeftColumnChanged = function(sheet, sheetName, oldLeftCol, newLeftCol) { };

LeftColumnChanged = function ( 
   sheet : Worksheet,
   sheetName : string,
   oldLeftCol : number,
   newLeftCol : number
) { };

Parameters

sheet: The sheet that triggered the event.
sheetName: The sheet's name.
oldLeftCol: The old left column index.
newLeftCol: The new left column index.

Example

This example synchronizes vertical and horizontal scrolling for sheet 1 and sheet 2.

Javascript

 var sheet1 = spread.getSheet(0),
  sheet2 = spread.getSheet(1);

sheet1.bind(GC.Spread.Sheets.Events.TopRowChanged, function (sender, args) {
    //Set the displayed top row of sheet1 to sheet2 (vertical scroll synchronization).
    sheet2.showRow(args.newTopRow, GC.Spread.Sheets.VerticalPosition.top);
});

sheet1.bind(GC.Spread.Sheets.Events.LeftColumnChanged, function (sender, args) {
    //Set the displayed left column of sheet1 to sheet2 (Horizontal scroll synchronization).
    sheet2.showColumn(args.newLeftCol, GC.Spread.Sheets.HorizontalPosition.left);
});

Reference

Events type