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BeginInit - EndInit

Posted By:      Posted Date: September 12, 2010    Points: 0   Category :WPF
 
Hi there,I have a border and I change the Margin, Width, Height frequently. I always change these 3 properties at the same time.Since these 3 properties AffectMeasure is there a way to affect the measure only once...I tried with BeginInit and EndInit but I am not sure if that is the proper way...Thanks


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BitmapImage detect image size before calling EndInit()

  
Hi, I'm using the following converter to create the thumbnails images: public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) { try { BitmapImage bi = new BitmapImage(); string FilePath = value as string; if (null != FilePath) { bi.BeginInit(); bi.DecodePixelHeight = 80; bi.CacheOption = BitmapCacheOption.OnLoad; bi.CreateOptions = BitmapCreateOptions.DelayCreation; bi.UriSource = new Uri(FilePath); bi.EndInit(); } if (bi.CanFreeze) { bi.Freeze(); } return bi; } catch { return DependencyProperty.UnsetValue; } }   The problem is that I want to detect the image file height before generating the actual BitmapImage. In other words I need something like this:   bi.BeginInit(); if(bi.Height > 80) { bi.DecodePixelHeight = 80; } bi.CacheOption = BitmapCacheOption.OnLoad; bi.CreateOptions = BitmapCreateOptions.DelayCreation; bi.UriSource = new Uri(FilePath); bi.EndInit();   Which of cause can't be done before the EndInit() has been called. Is there is any other solution that doesn’t require creating some sort of Image class and loading the image file into it. The problem is that I'm expecting to hav
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