private void button2_Click(object sender, EventArgs e)
{
OpenFileDialog ofd = new OpenFileDialog();
ofd.Filter = "图片文件 |*.jpg;*.png";
ofd.ValidateNames = true;
ofd.CheckPathExists = true;
ofd.CheckFileExists = true;
if (ofd.ShowDialog() == DialogResult.OK)
{
string FileName = ofd.FileName;
weChatThread.Wx_SendImg(txt_msgWxid.Text, FileName);
}
}