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wpf 獲取image控件的圖片並保存

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XMAL代碼如下:

<Image Name="ImageToSave" Source="Images/pic_bg.png" Grid.RowSpan="3" Grid.ColumnSpan="3" ></Image>

C#代碼如下:

SaveFileDialog sfd = new SaveFileDialog();
sfd.Filter = "Image Files (*.bmp, *.png, *.jpg)|*.bmp;*.png;*.jpg | All Files | *.*";
sfd.RestoreDirectory = true;//保存對話框是否記憶上次打開的目錄
if (sfd.ShowDialog() == true)
{
var encoder = new PngBitmapEncoder();
encoder.Frames.Add(BitmapFrame.Create((BitmapSource)this.ImageToSave

.Source));
using (FileStream stream = new FileStream(sfd.FileName, FileMode.Create))
encoder.Save(stream);
}

wpf 獲取image控件的圖片並保存