private void Import_Click(object sender, RoutedEventArgs e) { OpenFileDialog dlg = new OpenFileDialog(); dlg.DefaultExt = ".png"; dlg.Filter = "PNG files (.png)|*.png|All files|*"; if (!(dlg.ShowDialog() ?? false)) { return; } try { Bitmap image = TextureWorker.ReadImageFromFile(dlg.FileName); image.SetResolution(96.0F, 96.0F); (this.DataContext as UndertaleTexturePageItem).ReplaceTexture(image); // Refresh the image of "ItemDisplay" if (ItemDisplay.FindName("RenderAreaBorder") is not Border border) { return; } if (border.Background is not ImageBrush brush) { return; } BindingOperations.GetBindingExpression(brush, ImageBrush.ImageSourceProperty)?.UpdateTarget(); } catch (Exception ex) { mainWindow.ShowError(ex.Message, "Failed to import image"); } }