private void FrmMain_Closing(object sender, System.ComponentModel.CancelEventArgs e)
{
if(
MessageBox.Show("是否真的退出"+LogonInfo.SystemName+"?",
LogonInfo.SystemCaption,
MessageBoxButtons.YesNo,
MessageBoxIcon.Information,
MessageBoxDefaultButton.Button2)==DialogResult.No)
{
e.Cancel=true;
}
}
{
if(
MessageBox.Show("是否真的退出"+LogonInfo.SystemName+"?",
LogonInfo.SystemCaption,
MessageBoxButtons.YesNo,
MessageBoxIcon.Information,
MessageBoxDefaultButton.Button2)==DialogResult.No)
{
e.Cancel=true;
}
}
用e.Cancel = true来阻止窗口关闭