//上传按钮背景图
private void Open_Dialog_ButtonImage_Click(object sender, RoutedEventArgs e)
{
Button btn = (Button)sender;
System.Windows.Forms.OpenFileDialog ofld = new System.Windows.Forms.OpenFileDialog();
ofld.Filter = "图片|*.jpg;*.jpeg;*.png;*.gif;*.bmp";
ofld.Multiselect = false;
if (ofld.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
string filename = ofld.FileName;
if (filename != "" || filename != null)
{
System.Drawing.Image sourceImage = System.Drawing.Image.FromFile(filename);
String url = UploadUtil.uploadImage(filename);
StorageImage storageImage = storageImageBll.insert(filename, url, sourceImage.Width, sourceImage.Height, 1);
//直接变更控件背景
btn.Background = new ImageBrush
{
ImageSource = FileUtil.readImage2(AppDomain.CurrentDomain.BaseDirectory + storageImage.url, 200)
,
Stretch = Stretch.Uniform
};
Canvas buttonImageCanvas = (Canvas)btn.Parent;
buttonImageCanvas.Tag = storageImage;
}
}
}
