JsonWriter.ValueVariantmethod

Serializes a `DVARIANT` using JSON‑compatible mapping.

Syntax

SUB ValueVariant (BYREF dv AS DVARIANT)

Parameters

Description

Serializes a DVARIANT using JSON‑compatible mapping.

Mapping :

• Empty/Null: null
• Boolean: true/false
• BSTR: string (escaped)
• R4/R8: number (double)
• Integral types (signed/unsigned): number (integer)
• Arrays (common VT_ARRAY types): delegates to ValueSafeArray
• Other: dv.ToStr() as string fallback

Example

#include once "AfxNova/AfxJson.inc" USING AfxNova

DIM jw AS JsonWriter jw.SetIndentSize(0) ' 0 = no pretty-print jw.BeginObject() jw.Name("k") : jw.Value("v") jw.Name("n") : jw.Value(123) jw.Name("b") : jw.ValueVariant(DVARIANT(FALSE, "BOOLEAN")) jw.Name("nil"): jw.ValueVariant(DVARIANT()) jw.EndObject() print jw.ToBString

Reference

• Defined in AfxNova/AfxJson.inc:593
• Documented in WebView/Json Classes.md
• Topic: JSON Reader and Writer classes