private void btn_binaryzation_Click(object sender, EventArgs e)
{
try
{
curBitmap = imageProcessing.binaryzation(curBitmap, curBitmap);
Invalidate();
}
catch (NullReferenceException)
{
MessageBox.Show("请选择图片");
}
catch (Exception exp)
{
MessageBox.Show(exp.Message);
}
}