ここ という所で1sec wait掛けたい。どうすんだ?

public MainWindow(){
Task.Run(() =>{
try{
while (true){
Dispatcher.Invoke(() => {
canvas.InvalidateVisual(); });
_ = SpinWait.SpinUntil(() => false, 10); //每秒60帧
}
}
catch (Exception e){
}

});
}
void OnPaintSample(object sender, SKPaintSurfaceEventArgs e){
Render (e.Surface.Canvas );
}

public void Render (SKCanvas canvas){
SKPaint thickLinePaint = new SKPaint{
Style = SKPaintStyle.Stroke,
Color = SKColors.Orange,
StrokeWidth = 1
};

for (int x=0;x<=600;x++){
canvas.DrawLine(x, 0, x,100, thickLinePaint);
// ここ
}
}