private void TakeChartScreenshot(object sender, RoutedEventArgs e)
{
if (!isPlotFrozen)
{
return;
}
string fileName = activeChart.Title;
if (string.IsNullOrEmpty(fileName))
{
fileName = "screenshot.png";
}
else
{
fileName = fileName.ToLower().Replace(" ", "_") + ".png";
}
var saveFileDialog = new Microsoft.Win32.SaveFileDialog {
InitialDirectory = Path.Combine(Directory.GetCurrentDirectory(), App.ScreenshotsDir),
CheckPathExists = true,
FilterIndex = 2,
Title = "Save chart screenshot",
DefaultExt = "png",
Filter = "png files |*.png",
FileName = fileName
};
if (saveFileDialog.ShowDialog() == true && saveFileDialog.FileName != "")
{
int imageWidth = 800;
using (MemoryStream imageStream = activeChart.ExportPng(imageWidth, (int)(imageWidth * 9.0 / 16.0))) {
File.WriteAllBytes(saveFileDialog.FileName, imageStream.ToArray());
}
}
}
