## setUncheckedSymbol(characterCode, fontName) {#number_string} Sets the symbol used to represent the unchecked state of a check box content control. ```js setUncheckedSymbol(characterCode: number,......setUncheckedSymbol(characterCode, fontName) {#number_string} Sets the symbol used...setUncheckedSymbol(characterCode: number, fontName: string) ``` | Parameter...