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ResQ.Protocols.ProtocolExtensions

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ProtocolExtensions.ToUnixMs(this DateTimeOffset) Method

Converts a System.DateTimeOffset to a Unix timestamp in milliseconds. 
public static long ToUnixMs(this System.DateTimeOffset dateTime);

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Parameters

dateTime System.DateTimeOffset The date and time to convert.

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Returns

System.Int64
The Unix timestamp in milliseconds since January 1, 1970 UTC.

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Example

// Convert current time
var now = DateTimeOffset.UtcNow;
var timestamp = now.ToUnixMs();

// Set protobuf timestamp field
protoMessage.TimestampMs = timestamp;

// Convert specific time
var eventTime = new DateTimeOffset(2024, 1, 1, 0, 0, 0, TimeSpan.Zero);
var eventTimestamp = eventTime.ToUnixMs(); // 1704067200000

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Remarks

This method converts a System.DateTimeOffset to Unix time in milliseconds, which is commonly used in protobuf messages, JSON APIs, and JavaScript interop. The conversion accounts for the offset and returns the UTC-based timestamp.