Question

在我的信息框中,而不是感叹图标中,它只是将图标显示为“警告 ” 。这里我是不是漏掉了一些简单的东西, 因为它除了试图找出答案之外,还让我有别的原因。

MessageBox.Show (消息BoxIcon.Exclamation + "delete" + "+ " & gt; " (状态列表。 S选中的项目. to string ()) + " + " + " 您确定吗?", "delete " + " + " gt; (状态列表。 S选中的项目. to string ())) ;

Answer 1

DialogResult dlgRes = MessageBox.Show("Delete", "Are you sure you want to delete?", MessageBoxButtons.YesNo, MessageBoxIcon.Question);

if (dlgRes == DialogResult.Yes)
{

}

Answer 2

http://msdn.microsoft.com/ en- us/library/ system. windows.forms.messagebox.show.aspx" rel=“nofollow”>MessageBox.show ()

MessageBox.Show("Delete", "Are you sure you want to delete " + statesListBox.SelectedItem.ToString() + "?", MessageBoxButtons.YesNo, MessageBoxIcon.Question);

Answer 3

http://msdn.microsoft.com/en-us/library/system.windows.forms.messageboxicon.aspx" rel = "nofollow" >Msdn 它说:

var result = MessageBox.Show(message, caption, MessageBoxButtons.YesNo, MessageBoxIcon.Question);

以你为例...

MessageBox.Show("Delete" + " " + (statesListBox.SelectedItem.ToString()) + " " + "Are you sure?", "Delete" + " " + statesListBox.SelectedItem.ToString(), "Warning", MessageBoxButtons.YesNo, MessageBoxIcon.Warning);

You need the overload for the method, or else it will simply output the name. If you need to see if they say yes, You can use DialogResult

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