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      VB.net 2010 視頻教程 VB.net 2010 視頻教程 VB.net 2010 視頻教程
      SQL Server 2008 視頻教程 c#入門經典教程 Visual Basic從門到精通視頻教程
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      首頁 > 編程開發 > VBnet >
      • vb.net教程之認識VB.NET

      • 2015-01-24 13:51 來源:未知
      認識VB.NET(相關vb.net教程)
      計算機語言的分類:
      面向過程程序設計語言,QBASIC,c程序設計,等等。
      面向對象程序設計語言,vb,vb.net,vf,vc,java,c#。
      界面簡介:
      由幾個常用窗口:
      設計窗口:控件的載體。
      工具箱:存放系統定義好的常用控件。
      屬性窗口:設置控件的屬性。
      代碼窗口:編寫程序。
      它主要是在控件的事件過程中編寫程序的。
      輸出窗口:顯示運行結果。
      VB.NET軟件開發的步驟:
      1.拖入控件
      2.設置控件的屬性
      3.編寫程序代碼
      4.運行調試
      5.保存項目
      試作一個滾動字幕[實驗報告1]。
      程序為:
      Public Class Form1
          Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
              Label1.Left = Label1.Left + 50
              If Label1.Left >= Me.Width Then
                  Label1.Left = -Label1.Width
              End If
      End Sub
      Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
              Timer1.Enabled = Not Timer1.Enabled
          End Sub
      End Class
      試作一個閃爍的燈泡[實驗報告2]。
      程序為:
      Public Class Form1
          Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
              PictureBox2.Visible = Not PictureBox2.Visible
          End Sub
      End Class
      程序中用到的屬性:
      Enabled—可用與否。
      Interval--
      Visible—可見與否。
      Text—界面文字
      控件的事件、方法、屬性
      事件:加載在控件上的操作或動作。
      方法:控件完成的操作,它是由系統定義好的,直接用。
      屬性:控件特征的描述。
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