C#入门小程序ZHP.doc

C#入门小程序集锦一（2则）这个集锦来源于我开始接触C#时所分析过的一些小程序和一些自己设计的小程序，我是从.NET Framework v2.0 SDK开始的，所以一开始的程序各个.NET版本都能够运行。Test_01：Form的运用using System;using System.Drawing;using System.Windows.Forms;namespace test_01 class test public static void CreateMyForm() Form form1 = new Form(); Button button1 = new Button (); Button button2 = new Button (); button1.Text = OK; button1.Location = new Point (10, 10); / Set the text of button2 to Cancel. button2.Text = Cancel; / Set the position of the button based on the location of button1. button2.Location = new Point (button1.Left, button1.Height + button1.Top + 10); / Set the caption bar text of the form. form1.Text = My Dialog Box; / Display a help button on the form. form1.HelpButton = true; / Define the border style of the form to a dialog box. form1.FormBorderStyle = FormBorderStyle.FixedDialog; / Set the MaximizeBox to false to remove the maximize box. form1.MaximizeBox = false; / Set the MinimizeBox to false to remove the minimize box. form1.MinimizeBox = false; / Set the accept button of the form to button1. form1.AcceptButton = button1; / Set the cancel button of the form to button2. form1.CancelButton = button2; / Set the start position of the form to the center of the screen. form1.StartPosition = FormStartPosition.CenterScreen; / Add button1 to the form. form1.Controls.Add(button1); / Add button2 to the form. form1.Controls.Add(button2); / Display the form as a modal dialog box. form1.ShowDialog();static void Main(string args) CreateMyForm();Test_02：OpenFileDialog的运用using System;using System.Drawing;using System.Windows.Forms;using System.IO;namespace test_01 class test /System.Windows.Forms.OpenFileDialog openFileDialog1;public Form CreateMyForm() Form form1 = new Form(); Button button1 = new Button (); Button button2 = new Button (); button1.Text = OK; button1.Location = new Point (10, 10); button2.Text = Cancel; button2.Location = new Point (button1.Left, button1.Height + button1.Top + 10); form1.Text = My Dialog Box; form1.HelpButton = true; form1.FormBorderStyle = FormBorderStyle.FixedDialog; form1.MaximizeBox = false; form1.MinimizeBox = false; form1.AcceptButton = button1; /OpenFileDialog设置 /this.openFileDialog1 = new System.Windows.Forms.OpenFileDialog(); /this.openFileDialog1.Filter = MP3文件|*.mp3; /this.openFileDialog1.Multiselect = true; /添加button1的Click事件 button1.Click += new EventHandler(this.Testing_Click); form1.CancelButton = button2; form1.StartPosition = FormStartPosition.CenterScreen; form1.Controls.Add(button1); form1.Controls.Add(button2); form1.ShowDialog(); return (form1);/button1事件触发void Testing_Click(Object sender,EventArgs e)/*Button clickedButton1 = (Button)sender;clickedButton1.Text = 已改变;/属性Enabled确定按钮是否可以与用户作出交互clickedButton1.Enabled = false;*/OpenFileDialog的应用/*Stream myStream; OpenFileDialog openFileDialog1 = new OpenFileDialog(); openFileDialog1.InitialDirectory = D: ; openFileDialog1.Filter = txt files (*.txt)|*.txt|All files (*.*)|*.* ; openFileDialog1.FilterIndex = 1 ; openFileDialog1.RestoreDirectory = true ; if(openFileDialog1.ShowDialog() = DialogResult.OK) if(myStream = openFileDialog1.OpenFile()!= null) / Insert code to read the stream here. myStream.Close(); */OpenFileDialog MyFilePath = new OpenFileDialog();MyFilePath.Filter = txt files (*.txt)|*.txt|All files (*.*)|*.* ;/MyFilePath.Filter = Excel文件|*.xls;MyFilePath.FilterIndex = 1;MyFilePath.RestoreDire