async void OnCalculateButtonClicked(object sender, EventArgs args)
{
// Configure the UI for a background process.
calculateButton.IsEnabled = false;
activityIndicator.IsRunning = true;
// Render the Mandelbrot set on a bitmap.
BmpMaker bmpMaker = new BmpMaker(pixelWidth, pixelHeight);
await CalculateMandelbrotAsync(bmpMaker);
image.Source = bmpMaker.Generate();
// Configure the UI for the completed background process.
activityIndicator.IsRunning = false;
}
public DiyGradientBitmapPage()
{
InitializeComponent();
int rows = 128;
int cols = 64;
BmpMaker bmpMaker = new BmpMaker(cols, rows);
for (int row = 0; row < rows; row++)
for (int col = 0; col < cols; col++)
{
bmpMaker.SetPixel(row, col, 2 * row, 0, 2 * (128 - row));
}
ImageSource imageSource = bmpMaker.Generate();
image.Source = imageSource;
}