c#对话框
OpenFileDialog open = new OpenFileDialog();//创建对话框 open.InitialDirectory = @"C:\Documents and Settings\All Users\桌面"; //设置对话框路径 open.Title = "对话框1"; //对话框标题 open.Filter = "文本文档|*.txt|所有文件|*.*"; open.Multiselect = true; //多选 open.ShowDialog(); //打开对话框 //string[] paths = open.FileName; string paths = open.FileName; //读取文件的全路径 if (paths == "") return; using (FileStream file = new FileStream(paths, FileMode.OpenOrCreate, FileAccess.Read)) { byte[] bytes = new byte[1024 * 1024 * 5]; int r = file.Read(bytes, 0, bytes.Length); this.textBox1.Text = Encoding.Default.GetString(bytes, 0, r); }
int temp=0; int[] a = { 23, 44, 66, 76, 98, 11, 3, 9, 7 }; for (int i = 0; i < a.Length; i++) { for (int j = 0; j < a.Length-i-1; j++) { if (a[j] < a[j + 1]) //从大到小 { temp=a[j]; a[j]=a[j+1]; a[j+1]=temp; } } } Console.WriteLine("排序后的数组:"); foreach (int item in a) { Console.Write(item + " "); } Console.WriteLine(); Console.ReadKey();
SaveFileDialog sd=new SaveFileDialog(); //创建 // 保存文件对话框 sd.InitialDirectory = @"C:\Documents and Settings\All Users\桌面"; //设置对话框路径 sd.Title = "对话框1"; //对话框标题 sd.Filter = "文本文档|*.txt|所有文件|*.*"; sd.ShowDialog(); string path = sd.FileName; using (FileStream fsv = new FileStream(path, FileMode.Create, FileAccess.Write)) { byte[] bytes = Encoding.Default.GetBytes(this.textBox1.Text); fsv.Write(bytes, 0, bytes.Length); }
private void button3_Click(object sender, EventArgs e) { FontDialog fonts = new FontDialog(); fonts.ShowDialog(); this.textBox1.Font = fonts.Font; } private void button4_Click(object sender, EventArgs e) { ColorDialog color = new ColorDialog(); color.ShowDialog(); this.textBox1.BackColor = color.Color; this.textBox1.ForeColor = color.Color; }