MailMergeGetFieldNamesForRegion Method (String, Int32)

public string[] GetFieldNamesForRegion(
	string regionName,
	int regionIndex
)

Public Function GetFieldNamesForRegion ( 
	regionName As String,
	regionIndex As Integer
) As String()

public:
array<String^>^ GetFieldNamesForRegion(
	String^ regionName, 
	int regionIndex
)

member GetFieldNamesForRegion : 
        regionName : string * 
        regionIndex : int -> string[] 

Document doc = new Document();
DocumentBuilder builder = new DocumentBuilder(doc);

// These tags, which go inside MERGEFIELDs, denote the strings that signify the starts and ends of mail merge regions 
Assert.AreEqual("TableStart", doc.MailMerge.RegionStartTag);
Assert.AreEqual("TableEnd", doc.MailMerge.RegionEndTag);

// By using these tags, we will start and end a "MailMergeRegion1", which will contain MERGEFIELDs for two columns
builder.InsertField(" MERGEFIELD TableStart:MailMergeRegion1");
builder.InsertField(" MERGEFIELD Column1");
builder.Write(", ");
builder.InsertField(" MERGEFIELD Column2");
builder.InsertField(" MERGEFIELD TableEnd:MailMergeRegion1");

// We can keep track of merge regions and their columns by looking at these collections
IList<MailMergeRegionInfo> regions = doc.MailMerge.GetRegionsByName("MailMergeRegion1");
Assert.AreEqual(1, regions.Count);
Assert.AreEqual("MailMergeRegion1", regions[0].Name);

string[] mergeFieldNames = doc.MailMerge.GetFieldNamesForRegion("MailMergeRegion1");
Assert.AreEqual("Column1", mergeFieldNames[0]);
Assert.AreEqual("Column2", mergeFieldNames[1]);

// Insert a region with the same name as an existing region, which will make it a duplicate
builder.InsertParagraph(); // A single row/paragraph cannot be shared by multiple regions
builder.InsertField(" MERGEFIELD TableStart:MailMergeRegion1");
builder.InsertField(" MERGEFIELD Column3");
builder.InsertField(" MERGEFIELD TableEnd:MailMergeRegion1");

// Regions that share the same name are still accounted for and can be accessed by index
regions = doc.MailMerge.GetRegionsByName("MailMergeRegion1");
Assert.AreEqual(2, regions.Count);

mergeFieldNames = doc.MailMerge.GetFieldNamesForRegion("MailMergeRegion1", 1);
Assert.AreEqual("Column3", mergeFieldNames[0]);