private void btnBarCode_Click_1(object sender, EventArgs e)
{
var f = new frmBarCode();
f.MdiParent = Form1.ActiveForm;
f.Show();
}
private void btnBarCode_Click(object sender, EventArgs e)
{
frmBarCode.codeId = code_cur;
var f = new frmBarCode();
f.MdiParent = Form1.ActiveForm;
f.Show();
}