if ((MessageBox.Show("確定要關閉嗎﹖此次輸入數據將會丟失﹗", "確認", MessageBoxButtons.YesNo, MessageBoxIcon.Warning) ==
2013-07-13 10:15
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if ((MessageBox.Show("確定要關閉嗎﹖此次輸入數據將會丟失﹗", "確認", MessageBoxButtons.YesNo, MessageBoxIcon.Warning) == DialogResult.Yes))
e.Cancel = false;
else
e.Cancel = true;
e.Cancel = false;
else
e.Cancel = true;
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