mdiparent.cs

中文名：Windows Forms 程序设计 英文名：Windows Forms Programming in c# 作者： Chris Sells 翻译： 荣耀 蒋贤哲 出版社：人民

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

namespace MDIApplicationSample {
  public partial class MDIParent : Form {
    private int childFormNumber = 0;

    public MDIParent() {
      InitializeComponent();
    }

    private void ShowNewForm(object sender, EventArgs e) {
      // Create a new instance of the child form.
      Form childForm = new Form();
      // Make it a child of this MDI form before showing it.
      childForm.MdiParent = this;
      childForm.Text = "Window " + childFormNumber++;
      childForm.Show();
    }

    private void OpenFile(object sender, EventArgs e) {
      OpenFileDialog openFileDialog = new OpenFileDialog();
      openFileDialog.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.Personal);
      openFileDialog.Filter = "Text Files (*.txt)|*.txt|All Files (*.*)|*.*";
      if( openFileDialog.ShowDialog(this) == DialogResult.OK ) {
        string FileName = openFileDialog.FileName;
        // TODO: Add code here to open the file.
      }
    }

    private void SaveAsToolStripMenuItem_Click(object sender, EventArgs e) {
      SaveFileDialog saveFileDialog = new SaveFileDialog();
      saveFileDialog.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.Personal);
      saveFileDialog.Filter = "Text Files (*.txt)|*.txt|All Files (*.*)|*.*";
      if( saveFileDialog.ShowDialog(this) == DialogResult.OK ) {
        string FileName = saveFileDialog.FileName;
        // TODO: Add code here to save the current contents of the form to a file.
      }
    }

    private void ExitToolsStripMenuItem_Click(object sender, EventArgs e) {
      Application.Exit();
    }

    private void CutToolStripMenuItem_Click(object sender, EventArgs e) {
      // TODO: Use System.Windows.Forms.Clipboard to insert the selected text or images into the clipboard
    }

    private void CopyToolStripMenuItem_Click(object sender, EventArgs e) {
      // TODO: Use System.Windows.Forms.Clipboard to insert the selected text or images into the clipboard
    }

    private void PasteToolStripMenuItem_Click(object sender, EventArgs e) {
      // TODO: Use System.Windows.Forms.Clipboard.GetText() or System.Windows.Forms.GetData to retrieve information from the clipboard.
    }

    private void ToolBarToolStripMenuItem_Click(object sender, EventArgs e) {
      toolStrip.Visible = toolBarToolStripMenuItem.Checked;
    }

    private void StatusBarToolStripMenuItem_Click(object sender, EventArgs e) {
      statusStrip.Visible = statusBarToolStripMenuItem.Checked;
    }

    private void CascadeToolStripMenuItem_Click(object sender, EventArgs e) {
      LayoutMdi(MdiLayout.Cascade);
    }

    private void TileVerticleToolStripMenuItem_Click(object sender, EventArgs e) {
      LayoutMdi(MdiLayout.TileVertical);
    }

    private void TileHorizontalToolStripMenuItem_Click(object sender, EventArgs e) {
      LayoutMdi(MdiLayout.TileHorizontal);
    }

    private void ArrangeIconsToolStripMenuItem_Click(object sender, EventArgs e) {
      LayoutMdi(MdiLayout.ArrangeIcons);
    }

    private void CloseAllToolStripMenuItem_Click(object sender, EventArgs e) {
      foreach( Form childForm in MdiChildren ) {
        childForm.Close();
      }
    }
  }
}