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Gets or sets the amount that is added to or subtracted from the value of a range-based control.
When the user clicks the track of a ScrollBar, the value of the control
increases or decreases by the value of LargeChange.
int LargeChange { get; set; }
Property LargeChange As Integer
IScrollBar scrollBar = worksheet.Controls.AddScrollBar(50, 20, 120, 20);
scrollBar.LargeChange = 10;
int largeChange = scrollBar.LargeChange;