public override async Task ExecuteAsync()
{
var filename = UiServices.SelectSaveFilename("Save Diagram Image to File", "PNG Image|*.png");
if (string.IsNullOrWhiteSpace(filename))
{
return;
}
if (!filename.EndsWith(".png", StringComparison.InvariantCultureIgnoreCase))
{
UiServices.ShowMessageBox("Only PNG file format is supported. Please select a file with .png extension.");
return;
}
await CreateAndProcessDiagramImageAsync(i => SaveBitmapAsPng(i, filename), "Saving image file...");
}
