Javascript: PageNumberField.getStartNumber Method
Description
Gets the page number for the first page.
Syntax
<void> PageNumberField.getStartNumber(<RequestNumberCallback> callback, [<ErrorCallback> errorCallback])Parameters
| Parameter | Description |
|---|---|
| callback | Receives the property value. |
| errorCallback | Optional. Is called when the operation failed with an error. |
Examples
The following example demonstrates PageNumberField.getStartNumber in a practical document-editing workflow. It gets the page number for the first page.
function onTxError(error) {
console.error("TX Text Control error:", error.msg);
error.handled = true;
}
TXTextControl.textParts.getMainText(function(mainText) {
const pageNumberFields = mainText.pageNumberFields;
pageNumberFields.getItem(function(pageNumberField) {
if (!pageNumberField) {
console.warn("No page number field is available at the current input position.");
return;
}
pageNumberField.getStartNumber(
function(result) {
console.log("get start number result:", result);
},
onTxError
);
}, onTxError);
}, onTxError);