/// <summary>
/// 显示表达式窗口
/// </summary>
public void ShowExpressionForm()
{
if (!ShowChildrenForm(typeof(ExpressionForm)))
{
ExpressionForm frmExpre = new ExpressionForm();
frmExpre.MdiParent = this;
frmExpre.Show();
}
}
//调用表达式窗口
private void label2_Click(object sender, EventArgs e)
{
ExpressionForm frmExpre = mdiParent.FindChildForm(typeof(ExpressionForm)) as ExpressionForm;
if (frmExpre == null) //没有则创建
{
frmExpre = new ExpressionForm();
frmExpre.MdiParent = MdiParent;
frmExpre.Show();
}
//调公用方法
frmExpre.Compute("3*7");
frmExpre.Activate();
}
