B4X

Get a Mail-Merge Replace Pattern

Demonstrates the Chilkat Email.GetReplacePattern method, which returns a replacement pattern — the search string — previously defined for mail-merge operations with SetReplacePattern. The index is zero-based. This example defines two patterns and enumerates them.

Background: In Chilkat's mail-merge, each entry is a pattern (a placeholder token such as FIRST_NAME) paired with a replacement string. GetReplacePattern retrieves the search side of the pair at a given index; GetReplaceString retrieves the matching replacement. Reading them back is useful for inspecting or logging exactly which substitutions will be applied when the message is sent.

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'  Demonstrates the GetReplacePattern method, which returns a replacement pattern (the
'  search string) previously defined for mail-merge operations with SetReplacePattern.
'  The index is zero-based.

Dim email As ChilkatEmail
email.Initialize
email.Subject = "Hello FIRST_NAME"
email.Body = "Dear FIRST_NAME, welcome to CITY."

email.SetReplacePattern("FIRST_NAME", "John")
email.SetReplacePattern("CITY", "Denver")

Dim n As Int = email.NumReplacePatterns
Dim i As Int
For i = 0 To n - 1
    Log("Pattern " & i & ": " & email.GetReplacePattern(i))
Next