bitmapimage

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How to check BitmapImage instance is initialized or not? WPF

I try to开发者_JS百科 use instances of BitmapImage class in circle but sometimes I receive error messages that BitmapImage is not initialized. How to check that BitmapImage is initialized before use i[详细]

2023-03-04 05:18 分类：问答
WP7: Creating a movie from bitmap images

I\'m developing a WP7 app. I have a collection of BitmapImages that I load from the isolated storage.[详细]

2023-02-27 01:42 分类：问答
WP7 set Image component height/width to BitmapImage height/width

I am trying to set an Image component source to a BitmapImage: However, the Uri newUri = new Uri(\"images/\" + filename, UriKind.Relative);[详细]

2023-02-26 03:02 分类：问答
ArgumentException not caught when using BitmapImage.BeginInit()

Why when an ArgumentException occurs because image.jpg has an invalid metadata header does the first example catch the exception, and the second example does not?[详细]

2023-02-25 17:33 分类：问答
Serializing BitmapImage in WPF

I\'m trying to serialize a custom class, however I get a erro开发者_运维问答r saying System.Windows.Media.Imaging.BitmapImage is not marked as serializable. I understand that I will need to convert it[详细]

2023-02-19 21:23 分类：问答
BitmapSource to BitmapImage

I need to parse the content开发者_JAVA技巧 of Clipboard.GetImage() (a BitmapSource) to a BitmapImage.[详细]

2023-02-17 22:17 分类：问答
Creating a BitmapImage WPF

I have a ushort[] containing image data I need to display on screen, at the minute I am开发者_如何学Python creating a Windows.System.Drawing.Bitmap, and converting this to a BitmapImage but this feels[详细]

2023-02-17 22:03 分类：问答
How can I render a monochrome bitmap in color in WPF?

Back in Win32 days, if I had a monochromatic bitmap, which is for all intents and purposes just a bitmap mask, I could render that bitmap onto a DeviceContext.What would happen is every pixel where th[详细]

2023-02-14 05:53 分类：问答
Why does BitmapImage RequestCachePolicy get ignored?

I\'m finding that setting the RequestCachePolicy property on BitmapImage has no effect on how the bitmap is downloaded when an Image\'s Source is set to this instance of BitmapImage.[详细]

2023-02-12 18:09 分类：问答
Freeing ImageData when deleting a Canvas

I\'m writing a XUL application using HTML Canvas to display Bitmap images. I\'m generating ImageDatas and importing them in a canvas using the putImageData function :[详细]

2023-02-04 22:51 分类：问答