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Fixed crash when scrolling with open blocks

This commit is contained in:
Ben Wallis 2018-08-29 22:45:47 +01:00
parent dc6ed934b2
commit 15143f738f
1 changed files with 5 additions and 2 deletions
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7
Filtration/Converters/SizeColorToRectConverter.cs
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@ -1,5 +1,4 @@
using Filtration.ObjectModel.Enums; using System;
using System;
using System.Globalization; using System.Globalization;
using System.Windows; using System.Windows;
using System.Windows.Data; using System.Windows.Data;
@ -10,6 +9,10 @@ namespace Filtration.Converters
{ {
public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture) public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
{ {
if (values[0] == DependencyProperty.UnsetValue ||
values[1] == DependencyProperty.UnsetValue)
return null;
var size = (int)(values[0]); var size = (int)(values[0]);
var color = (int)(values[1]); var color = (int)(values[1]);