using System; using System.Windows.Forms; namespace Chapter6 { public partial class frmMain : Form { public frmMain() { InitializeComponent(); } private void mnuFileExit_Click(object sender, EventArgs e) { Close(); } private void mnuFileExit_Click_1(object sender, EventArgs e) { Close(); } private void mnuEditCalculate_Click(object sender, EventArgs e) { frmCalculate aform = new frmCalculate(); mnuFile.Visible = true; mnuEditSummary.Enabled = true; aform.MdiParent = this; aform.StartPosition = FormStartPosition.CenterParent; aform.Show(); aform.Focus(); mnuEditCalculate.Checked = true; } private void mnuEditSummary_Click(object sender, EventArgs e) { frmSummary aform = new frmSummary(); mnuFile.Visible = true; mnuEditSummary.Enabled = true; aform.MdiParent = this; aform.StartPosition = FormStartPosition.CenterParent; aform.Show(); aform.Focus(); mnuEditCalculate.Checked = true; } } }