[英]How to construct WMI query
我想查找名稱以 param1 開頭並以 param2 結尾但我的代碼不起作用的結果
string wmiQuery = string.Format("SELECT CommandLine FROM Win32_Process WHERE Name LIKE '{0}%' AND Name LIKE '%{1}'", param1, param2);
ManagementObjectSearcher searcher = new ManagementObjectSearcher(wmiQuery);
ManagementObjectCollection retObjectCollection = searcher.Get();
怎么了?
為了比較
string wmiQuery = string.Format("SELECT CommandLine FROM Win32_Process WHERE Name LIKE '{0}%'", param1);
效果很好
嘗試這個:
string wmiQuery = string.Format("SELECT CommandLine FROM Win32_Process WHERE Name LIKE '{0}%{1}'", param1, param2);
添加一些測試信息:
string wmiQuery = string.Format ( "SELECT Name, ProcessID FROM Win32_Process WHERE Name LIKE '{0}%{1}'", "wpf", ".exe" );
Console.WriteLine ( "Query: {0}", wmiQuery );
ManagementObjectSearcher searcher = new ManagementObjectSearcher ( wmiQuery );
ManagementObjectCollection retObjectCollection = searcher.Get ( );
foreach (ManagementObject retObject in retObjectCollection)
{
Console.WriteLine ( "[{0}]\tName: {1}", retObject[ "ProcessID" ], retObject["Name"] );
}
Output:
查詢:SELECT Name, ProcessID FROM Win32_Process WHERE Name LIKE 'wpf%.exe'
[896]名稱:WPFFontCache_v0400.exe
要構建 WMI 查詢,請使用 Microsoft 提供的名為 WMI Code Creator 的免費工具,使用不同的編程語言 VBS、VB.NET、C#
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