2017
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17
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C#
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3
涓�銆佸崟閫夐锛堝叡
10
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40
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1.
寮曠敤
ListBox(
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)
鏈�鍚庝竴涓暟鎹」搴斾娇鐢紙
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B. ListBox1.Items[ListBox1.SelectedIndex]
C. ListBox1.Items[ListBox1.Items.Count-1]
D. ListBox1.Items[ListBox1.SelectedIndex-1]
姝ｇ‘绛旀锛?/p>
2.
鏋勫缓
Windows
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锛?/p>
A. System.IO
B. System.Data
C. System.Text
D. System.Windows.Forms
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3.
锛?/p>
锛夋帶浠剁粍鍚堜簡
TextBox
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ListBox
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A. ComboBox
B. Label
C. ListView
D. DomainUpDown
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4.
鑻ヨ浣?/p>
TextBox
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A. Locked
B. Visible
C. Enabled
D. ReadOnly
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5.
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VS
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锛?/p>
A.
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B.
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C.
宸ュ叿鏍?/p>
D.
绐椾綋
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6.
鍦ㄨ璁＄獥鍙ｏ紝鍙互閫氳繃锛?/p>
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ListBox
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A. Items
B. Items.Count