我有下面的代碼,它通過並返回磁盤信息。運行時,我注意到一些WMI屬性在我的電腦上不可用(即FirmwareRevision)。我該如何放入例外catch
所以,當我運行代碼VS崩潰時說「找不到」。任何想法我如何把異常趕上,以表明對象的輸出沒有發現狀態「不可用」。
我一直在閱讀異常捕獲,但到目前爲止,我的業餘方式是明確定義我想使用的異常......此程序打算在不同的服務器上運行,希望能夠智能地找出WMI對象任何一臺服務器可能都沒有。
的代碼是下面,目前它失敗上(最後一行):
「lblFirmware.Text = 」固件「 + moDisk [」 FirmwareRevision 「]的ToString();」。
代碼:
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Management;
using Microsoft.Win32;
namespace diskdrive_info
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
//Get all the disk drives
ManagementObjectSearcher mosDisk = new ManagementObjectSearcher("SELECT * FROM Win32_DiskDrive");
// Loop through each object (disk) retrieved by WMI
foreach (ManagementObject moDisk in mosDisk.Get())
{
cmbHdd.Items.Add(moDisk["Model"].ToString());
}
}
private void cmbHdd_SelectedIndexChanged(object sender,EventArgs e)
{
ManagementObjectSearcher mosDisks = new ManagementObjectSearcher("SELECT * FROM Win32_DiskDrive WHERE Model = '" + cmbHdd.SelectedItem + "'");
foreach (ManagementObject moDisk in mosDisks.Get())
{
lblType.Text = "Type: " + moDisk["MediaType"].ToString();
lblModel.Text = "Model: " + moDisk["Model"].ToString();
lblCapacity.Text = "Capacity: " + moDisk["Size"].ToString();
lblPartitions.Text = "Partitions: " + moDisk["Partitions"].ToString();
lblSectors.Text = "Sectors: " + moDisk["SectorsPerTrack"].ToString();
lblSignature.Text = "Signatures: " +moDisk["Signature"].ToString();
lblFirmware.Text = "Firmware: " +moDisk["FirmwareRevision"].ToString();
}
}
}
}
所以,你不想試試'{Somecode();}趕上{}'? – user1655481