Ghost1372

everything can be handy

SpeedGraph

Property

Name
MaxSpeed
Total
BackgroundCircleDistance
SpeedLineVisibility
SpeedTextVisibility
SpeedText
AutoUpdateSpeedText

Methods

Name
AddPoint
SetSpeed
ResetGraph
Error
Pause
Normal

Example

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<dev:SpeedGraph x:Name="SpeedGraphSample" />
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ulong _totalBytes = 1024UL * 1024 * 500; // 500 MB
SpeedGraphSample.Total = _totalBytes;
SpeedGraphSample.MaxSpeed = 1024;
SpeedGraphSample.SetSpeed(50, 500);

Here we can simulate a file copy operation:

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private bool _isSimulating;
private Random _random = new();

private async void StartFileCopy()
{
    ulong _totalBytes = 1024UL * 1024 * 500; // 500 MB

    SpeedGraphSample.Normal();

    if (_isSimulating)
        return;

    SpeedGraphSample.ResetGraph();

    _isSimulating = true;

    ulong copiedBytes = 0;
    SpeedGraphSample.Total = _totalBytes;

    while (copiedBytes < _totalBytes)
    {
        // Simulate varying copy speed (8–100 MB/s)
        ulong speed = (ulong)(_random.Next(8, 100) * 1024 * 1024);

        // Add progress (simulate ~1/3 second per chunk)
        copiedBytes += speed / 3;
        if (copiedBytes > _totalBytes)
            copiedBytes = _totalBytes;

        double percent = (double)copiedBytes / _totalBytes * 100.0;

        // Update SpeedGraph
        SpeedGraphSample.SetSpeed(percent, speed);
        // Update text

        // Wait before next tick
        await Task.Delay(100);
    }

    _isSimulating = false;
}

DevWinUI

Demo

you can run demo and see this feature.

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