晕。设置 RichText 的 Modified 属性,以便测试文本框的文本是否被改变了。是则打开一个保存文件对话框,设置 RichText 的 Save 属性和该对话框的 FileName 属性一致。
Private Sub Form1_FormClosing(ByVal sender As Object, ByVal e As System.Windows.Forms.FormClosingEventArgs) Handles Me.FormClosing
If rtfMain.Modified = True Then
sfdMain.ShowDialog()
rtfMain.SaveFile(sfdMain.FileName)
End If
End Sub
Private Sub Form1_FormClosing(ByVal sender As Object, ByVal e As System.Windows.Forms.FormClosingEventArgs) Handles Me.FormClosing
If rtfMain.Modified = True Then
sfdMain.ShowDialog()
rtfMain.SaveFile(sfdMain.FileName)
End If
End Sub
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