private void btnOpen_Click(object sender, RoutedEventArgs e)
{
CommonOpenFileDialog openDialog = new CommonOpenFileDialog();
openDialog.ShowPlacesList = true;
openDialog.Multiselect = false;
openDialog.IsFolderPicker = false;
openDialog.AddToMostRecentlyUsedList = true;
openDialog.Filters.Add(new CommonFileDialogFilter("PNG images", "*.png"));
if (openDialog.ShowDialog(this) == CommonFileDialogResult.Ok)
{
soureFilePath = openDialog.FileName;
// get comment meta
using (FileStream fileStream = new FileStream(soureFilePath, FileMode.Open, FileAccess.Read)) {
pngReader = new PngReader(fileStream);
// 参考自Hjg.Pngcs的SampleCustomChunk项目
// get last line: this forces loading all chunks
pngReader.ReadChunksOnly();
tblkComment.Text = pngReader.GetMetadata().GetTxtForKey(Key_SemanticInfo);
pngReader.End();
fileStream.Close();
}
image.BeginInit();
image.Source = new BitmapImage(new Uri(soureFilePath));
image.EndInit();
}
}
