/*★ メニュー選択で、ファイルから入力する 前田 稔 ★*/
// RichTextBox に ContexMenu を設定しました
using System;
using System.IO;
using System.Drawing;
using System.Windows.Forms;
using System.Data;
public class MyForm : Form
{
private RichTextBox richTextBox1;
private string TxtFile = "";
private string m_str = "RichTextBox Test";
private ContextMenuStrip contextMenuStrip1;
private ToolStripMenuItem CopyCToolStripMenuItem;
private ToolStripMenuItem CutTToolStripMenuItem;
private ToolStripMenuItem PastePToolStripMenuItem;
private System.ComponentModel.IContainer components;
public MyForm()
{ Resize += new System.EventHandler(FormResize);
InitializeComponent();
}
private void InitializeComponent()
{ // メインメニューを生成
MainMenu menu = new MainMenu();
// ファイルメニューを生成
MenuItem item = menu.MenuItems.Add("ファイル(&F)");
item.MenuItems.Add(new MenuItem("開く(&O)...", new EventHandler(this.FileOpen)));
item.MenuItems.Add(new MenuItem("保存(&S)...", new EventHandler(this.FileSave)));
item.MenuItems.Add("-");
item.MenuItems.Add(new MenuItem("終了(&X)", new EventHandler(this.Exit), Shortcut.CtrlQ));
// 編集メニューを生成
item = menu.MenuItems.Add("編集(&E)");
item.MenuItems.Add(new MenuItem("Copy(&C)...", new EventHandler(this.Copy)));
item.MenuItems.Add(new MenuItem("Cut(&T)...", new EventHandler(this.Cut)));
item.MenuItems.Add(new MenuItem("Paste(&P)...", new EventHandler(this.Paste)));
item.MenuItems.Add(new MenuItem("Undo(&U)...", new EventHandler(this.Undo)));
item.MenuItems.Add(new MenuItem("Redo(&R)...", new EventHandler(this.Redo)));
this.components = new System.ComponentModel.Container();
this.contextMenuStrip1 = new System.Windows.Forms.ContextMenuStrip(this.components);
this.CopyCToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
this.CutTToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
this.PastePToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
this.contextMenuStrip1.SuspendLayout();
this.SuspendLayout();
// フォームのメニューとして設定
this.Menu = menu;
this.richTextBox1 = new System.Windows.Forms.RichTextBox();
this.SuspendLayout();
// richTextBox1
this.richTextBox1.ContextMenuStrip = contextMenuStrip1;
this.richTextBox1.Location = new System.Drawing.Point(12, 12);
this.richTextBox1.Name = "richTextBox1";
this.richTextBox1.Size = new System.Drawing.Size(1000, 480);
this.richTextBox1.TabIndex = 0;
this.richTextBox1.Text = m_str;
// contextMenuStrip1
this.contextMenuStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[]
{ this.CopyCToolStripMenuItem,
this.CutTToolStripMenuItem,
this.PastePToolStripMenuItem
});
this.contextMenuStrip1.Name = "contextMenuStrip1";
this.contextMenuStrip1.Size = new System.Drawing.Size(210, 82);
// CopyCToolStripMenuItem
this.CopyCToolStripMenuItem.Name = "CopyCToolStripMenuItem";
this.CopyCToolStripMenuItem.Size = new System.Drawing.Size(209, 28);
this.CopyCToolStripMenuItem.Text = "Copy(&C)";
this.CopyCToolStripMenuItem.Click += new System.EventHandler(this.Copy);
// CutTToolStripMenuItem
this.CutTToolStripMenuItem.Name = "CutTToolStripMenuItem";
this.CutTToolStripMenuItem.Size = new System.Drawing.Size(209, 28);
this.CutTToolStripMenuItem.Text = "Cut(&T)";
this.CutTToolStripMenuItem.Click += new System.EventHandler(this.Cut);
// CutTToolStripMenuItem
this.PastePToolStripMenuItem.Name = "PastePToolStripMenuItem";
this.PastePToolStripMenuItem.Size = new System.Drawing.Size(209, 28);
this.PastePToolStripMenuItem.Text = "Paste(&P)";
this.PastePToolStripMenuItem.Click += new System.EventHandler(this.Paste);
// MyForm
this.ClientSize = new System.Drawing.Size(1020, 500);
this.ContextMenuStrip = this.contextMenuStrip1;
this.contextMenuStrip1.ResumeLayout(false);
this.Controls.Add(this.richTextBox1);
this.Name = "MyForm";
this.ResumeLayout(false);
}
private void FormResize(object sender, EventArgs e)
{ richTextBox1.Width = this.Width - 30;
richTextBox1.Height = this.Height - 100;
}
// 終了メニューのイベントハンドラ
private void Exit(object sender, EventArgs e)
{ this.Close(); }
// ファイル－開くメニューのイベントハンドラ
private void FileOpen(object sender, EventArgs e)
{ OpenFileDialog openFileDialog1 = new OpenFileDialog();
openFileDialog1.Filter = "Text ファイル|*.txt;*.cs;*.htm|すべてのファイル (*.*)|*.*" ;
if (openFileDialog1.ShowDialog(this) == DialogResult.OK)
{ TxtFile = openFileDialog1.FileName;
StreamReader reader = new StreamReader(TxtFile);
m_str = reader.ReadToEnd();
reader.Close();
richTextBox1.Text = m_str;
Invalidate();
}
}
// ファイル－保存メニューのイベントハンドラ
private void FileSave(object sender, EventArgs e)
{ SaveFileDialog saveDialog = new SaveFileDialog();
if (saveDialog.ShowDialog(this) == DialogResult.OK)
{ TxtFile = saveDialog.FileName;
StreamWriter writer = new StreamWriter(TxtFile, false); //false=上書き
m_str = richTextBox1.Text;
writer.WriteLine(m_str);
writer.Close();
}
}
//★ 編集メソッド
private void Copy(object sender, EventArgs e)
{ if (richTextBox1.SelectionLength > 0)
{ richTextBox1.Copy(); }
}
private void Cut(object sender, EventArgs e)
{ if (richTextBox1.SelectionLength > 0)
{ richTextBox1.Cut(); }
}
private void Paste(object sender, EventArgs e)
{ ClipPaste(); }
private void Undo(object sender, EventArgs e)
{ if (richTextBox1.CanUndo)
{ richTextBox1.Undo(); }
}
private void Redo(object sender, EventArgs e)
{ if (richTextBox1.CanRedo)
{ richTextBox1.Redo(); }
}
private void ClipPaste()
{ IDataObject data = Clipboard.GetDataObject();
if (data != null && data.GetDataPresent(DataFormats.Text) == true)
{ int pos = richTextBox1.SelectionStart;
richTextBox1.Select(pos, 0);
richTextBox1.SelectedText = Clipboard.GetText();
}
}
}
class form01
{ [STAThread]
public static void Main()
{ MyForm mf = new MyForm();
Application.Run(mf);
}
}
|
