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private const int WM_QUERYENDSESSION = 0x0011;
protected override void WndProc(ref System.Windows.Forms.Message e)
{
if (e.Msg == WM_QUERYENDSESSION)
{
if (MessageBox.Show("是否要取消关机??", "提示", MessageBoxButtons.OKCancel) == DialogResult.OK)
{
e.Result = (IntPtr)0;
}
}
base.WndProc(ref e);
}
private const int WM_QUERYENDSESSION = 0x0011;
protected override void WndProc(ref System.Windows.Forms.Message e)
{
if (e.Msg == WM_QUERYENDSESSION)
{
MessageBox.Show("关机中");
}
base.WndProc(ref e);
}