>Why do you need an InputMask? Where did you specify RowSourceType ?

I will try it without the InputMask.

Peter

define class CboList as CboColor
    name                = "CboList"
    columncount         = 1             && two columns in drop down list
    columnwidths        = "24"          && 1 col and 8 cols (col = 24 pixels)
    displaycount        = 10            && number of items in drop down list
    incrementalsearch   = .t.
    rowsourcetype       = 1
    rowsource           = "1,2"
    style               = 2
    width               = 1 CBO_12

    statusbartext = "Status Bar: CboList control"
    tooltiptext   = "Tool Tip: CboList control"

    procedure valid
    return not empty(this.value)
    endproc
enddefine    && CboList  *************************************************