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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
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      首頁 > 編程開發 > VBnet >
      • vb.net教程之文本框與字符串

      • 2015-01-24 14:18 來源:未知
      文本框與字符串(相關vb.net教程)
      文本框的作用:提供一個空間,可以輸入內容或顯示內容
      除外,文本框還可以文字編輯器。
      Text屬性:用以輸入、輸出,數據類型為,字符串型。
      Multiline:當為true時,內容可以多行顯示。
      常用事件:change—內容變化時激發此事件。
      應用:試編程序,往第一個文本框中輸入內容,然后在下面
      標簽中顯示輸入內容的大寫、小寫。程序見,P13
      程序為:
      Public Class Form1
          Private Sub TextBox1_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox1.TextChanged
              Label1.Text = (TextBox1.Text).ToUpper
              Label2.Text = (TextBox1.Text).ToLower
          End Sub
      End Class
       
       
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