Diagnostics.Trace

写入跟踪条目(如果已启用跟踪的话)并返回值。

Syntax

Diagnostics.Trace(
    traceLevel as number,
    message as any,
    value as any,
    optional delayed as logical
) as any

Remarks

写入跟踪 message (如果已启用跟踪)并返回 value。可选参数 delayed 指定了是否延迟计算 value 直到跟踪到消息。traceLevel 可取以下任一值:

• TraceLevel.Critical
• TraceLevel.Error
• TraceLevel.Warning
• TraceLevel.Information
• TraceLevel.Verbose

Examples

Example #1

在调用 Text.From 函数前跟踪消息，并返回结果。

Diagnostics.Trace(TraceLevel.Information, "TextValueFromNumber", () => Text.From(123), true)

Result:

"123"

Category

Diagnostics