WPF中Image控件的数据源如果设置为路径,或者后台通过Image.FromFile来绑定,该图片将被占用,如要进行图片压缩、删除等操作则会报图片被占用的错;所以可以从内存中加载图片进行绑定。 以下为MVVMLight模式,首先增加一个图片路径值转换的类 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
private void SetSource(System.Windows.Controls.Image image, string fileName) { System.Drawing.Image sourceImage = System.Drawing.Image.FromFile(fileName); int imageWidth = 0, imageHeight = 0; InitializeImageSize(sourceImage, image, out imageWidth, out imageHeight); Bitmap sourceBmp = new Bit...
<Windowx:Class="WpfTutorialSamples.Basic_controls.ImageControlStretchSample"xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"xmlns:d="http://schemas.microsoft.com/expression/blend/2008"xmlns:mc="http://schemas.openxmlformats.o...
ToBitmap(image)) { SaveAsJpeg ( bitmap, picPath, 90 ); } break; } } } // 保存为jpeg格式,quality为图像质量(0-100) public static void SaveAsJpeg ( Bitmap bitmap, string fileName, int quality ) { var jpegEncoder = ImageCodecInfo.GetImageEncoders().First(codec => codec.FormatID =...
{this.PictureOfGif.Image = System.Drawing.Image.FromFile("images/129.gif"); } WpfAnimatedGif 可以通过控制台或者Nuget安装 Install-Package WpfAnimatedGif xmlns:gif="http://wpfanimatedgif.codeplex.com" <Image gif:ImageBehavior.AnimatedSource="Images/animated.gif"/> ...
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其中创建 IWICStream 这一步可以省略,通过 CreateDecoderFromFileName 即可从文件创建解码器,更新的代码如下 代码语言:javascript 代码运行次数:0 运行 AI代码解释 private static IWICBitmap OpenFileAsWICBitmap() { using var wicImagingFactory = new IWICImagingFactory(); var imageFilePath = System.IO.Path...
BitmapImage oOriginBitSrc = new BitmapImage(new Uri(sFile)); this.ImgOrigin1Zm.Source = oOriginBitSrc; System.Drawing.Image oImgOrigin = System.Drawing.Image.FromFile(sFile); System.Drawing.Bitmap oBitmap = new System.Drawing.Bitmap(oImgOrigin); ...
RegisterClass(&wndclass)) { IFC(E_FAIL); } m_hwnd = CreateWindow(szAppName, TEXT("D3DImageSample"), WS_OVERLAPPEDWINDOW, 0, // Initial X 0, // Initial Y 0, // Width 0, // Height NULL, NULL, NULL, NULL); } Cleanup: return hr; } //+--- // // Member: // CRendere...
Setter><SetterProperty="CommandTarget"Value="{Binding ElementName=mainRTB}"></Setter></Style><StyleTargetType="{x:Type Button}"x:Key="formatImageStyle"><SetterProperty="Width"Value="30"></Setter><SetterProperty="CommandTarget"Value="{Binding ElementName=mainRTB}"></Setter></Style></Grid....