private async Task UpdateSwatchAsync()
{
if (Symbol == null)
{
_imageView.Image = null;
return;
}
#pragma warning disable ESRI1800 // Add ConfigureAwait(false) - This is UI Dependent code and must return to UI Thread
try
{
var scale = GetScaleFactor();
var imageData = await Symbol.CreateSwatchAsync(scale * 96);
var width = (int)(imageData.Width / scale);
var height = (int)(imageData.Height / scale);
_imageView.Image = await imageData.ToImageSourceAsync();
_intrinsicContentSize = new CGSize(Math.Min(width, MaxSize), Math.Min(height, MaxSize));
Hidden = false;
InvalidateIntrinsicContentSize();
SetNeedsUpdateConstraints();
UpdateConstraints();
SourceUpdated?.Invoke(this, EventArgs.Empty);
}
catch
{
_imageView.Image = null;
}
#pragma warning restore ESRI1800
}
private static IEnumerable <Issue.IssueCompleter> ValidateSource(SourceUpdated arg)
{
if (string.IsNullOrWhiteSpace(arg.Source))
{
yield return(Issue.New(Issues.EmptySource));
}
}
private async Task UpdateSwatchAsync()
{
var img = GetTemplateChild("image") as Image;
if (img == null)
{
return;
}
if (Symbol == null)
{
img.Source = null;
img.MaxWidth = 0;
img.MaxHeight = 0;
}
else
{
try
{
var scale = GetScaleFactor();
#pragma warning disable ESRI1800 // Add ConfigureAwait(false) - This is UI Dependent code and must return to UI Thread
var imageData = await Symbol.CreateSwatchAsync(scale * 96);
img.MaxWidth = imageData.Width / scale;
img.MaxHeight = imageData.Height / scale;
img.Source = await imageData.ToImageSourceAsync();
SourceUpdated?.Invoke(this, EventArgs.Empty);
#pragma warning restore ESRI1800
}
catch
{
img.Source = null;
img.MaxWidth = 0;
img.MaxHeight = 0;
}
}
}
private async Task UpdateSwatchAsync()
{
if (Symbol == null)
{
SetImageResource(0);
return;
}
#pragma warning disable ESRI1800 // Add ConfigureAwait(false) - This is UI Dependent code and must return to UI Thread
try
{
var scale = GetScaleFactor(Context);
var imageData = await Symbol.CreateSwatchAsync(scale * 96);
SetImageBitmap(await imageData.ToImageSourceAsync());
SourceUpdated?.Invoke(this, System.EventArgs.Empty);
}
catch
{
SetImageResource(0);
}
#pragma warning restore ESRI1800
}