static string[] GetProcessorNames(WMIService wmiService)
{
ManagementObject[] collection = wmiService.GetObjects("Select Name From Win32_Processor", true);
string[] result = new string[collection.Length];
for (int i = 0; i < collection.Length; i++)
{
result[i] = (string)collection[i].Properties["Name"].Value;
}
return(result);
}
static int GetFreeHDDSizeGB(WMIService wmiService)
{
ManagementObject[] collection = wmiService.GetObjects("Select FreeSpace From Win32_LogicalDisk ", false);
UInt64 size = 0;
for (int i = 0; i < collection.Length; i++)
{
PropertyData pData = collection[i].Properties["FreeSpace"];
size += ((pData != null && pData.Value != null) ? (UInt64)pData.Value : 0u);
}
return((int)(size >> 30));
}
static PerfomanceInfo_OS[] GetPerfomanceInfo_OS(WMIService wmiService)
{
ManagementObject[] collection = wmiService.GetObjects(
"SELECT Name,Processes,Threads " +
"FROM Win32_PerfFormattedData_PerfOS_System",
false
);
PerfomanceInfo_OS[] result = new PerfomanceInfo_OS[collection.Length];
for (int i = 0; i < collection.Length; i++)
{
result[i] = new PerfomanceInfo_OS(
(string)collection[i].Properties["Name"].Value,
(int)(UInt32)collection[i].Properties["Processes"].Value,
(int)(UInt32)collection[i].Properties["Threads"].Value
);
}
return(result);
}
static PerfomanceInfo_CPU[] GetPerfomanceInfo_CPU(WMIService wmiService)
{
ManagementObject[] collection = wmiService.GetObjects(
"SELECT Name,PercentProcessorTime,PercentPrivilegedTime,PercentUserTime " +
"FROM Win32_PerfFormattedData_PerfOS_Processor " +
"WHERE Name=\'_Total\'",
false
);
PerfomanceInfo_CPU[] result = new PerfomanceInfo_CPU[collection.Length];
for (int i = 0; i < collection.Length; i++)
{
result[i] = new PerfomanceInfo_CPU(
(string)collection[i].Properties["Name"].Value,
(float)(UInt64)collection[i].Properties["PercentProcessorTime"].Value,
(float)(UInt64)collection[i].Properties["PercentPrivilegedTime"].Value,
(float)(UInt64)collection[i].Properties["PercentUserTime"].Value
);
}
return(result);
}
static string GetOSName(WMIService wmiService)
{
ManagementObject[] collection = wmiService.GetObjects("Select Caption From Win32_OperatingSystem", true);
return((collection.Length == 1) ? (string)collection[0].Properties["Caption"].Value : string.Empty);
}
static int GetFreeMemorySizeMB(WMIService wmiService)
{
ManagementObject[] collection = wmiService.GetObjects("Select FreePhysicalMemory From Win32_OperatingSystem", false);
return((collection.Length == 1) ? (int)((UInt64)collection[0].Properties["FreePhysicalMemory"].Value / 1024) : 4096);
}
static int GetTotalMemorySizeMB(WMIService wmiService)
{
ManagementObject[] collection = wmiService.GetObjects("Select TotalVisibleMemorySize From Win32_OperatingSystem", true);
return((collection.Length == 1) ? (int)((UInt64)collection[0].Properties["TotalVisibleMemorySize"].Value / 1024) : 4096);
}
static void worker_DoWork(object sender, DoWorkEventArgs e)
{
wmiService = WMIService.GetInstance(null);
}
