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'
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'!!!重要:首先要添加“引用”一个dll,选择“System Management”;
'
Imports Microsoft.VisualBasic
Imports System
Imports System.Collections.Generic
Imports System.ComponentModel
Imports System.Data
Imports System.Drawing
Imports System.Text
Imports System.Windows.Forms
Imports System.Management
Imports System.IO
Namespace WindowsApplication1
Partial Public Class Form1
Inherits Form
Public Sub New()
InitializeComponent()
End Sub
Private Sub button1_Click(ByVal sender As Object, ByVal e As EventArgs)
'获取CPU编号
Dim [MyClass] As New ManagementClass("Win32_Processor")
Dim MyCollection As ManagementObjectCollection = [MyClass].GetInstances()
Dim MyInfo As String = "当前系统CPU编号是:"
Dim MyCPUID As String = ""
For Each MyObject As ManagementObject In MyCollection
MyCPUID = MyObject.Properties("ProcessorId").Value.ToString()
Exit For
Next MyObject
MyInfo = MyCPUID
MessageBox.Show(MyInfo, "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information)
End Sub
Private Sub button2_Click(ByVal sender As Object, ByVal e As EventArgs)
'获取计算机CPU的当前电压
Dim MyInfo As String = "计算机CPU的当前电压是:"
Dim MySearcher As New ManagementObjectSearcher("SELECT * FROM Win32_Processor")
For Each MyObject As ManagementObject In MySearcher.Get()
Try
MyInfo = ControlChars.Lf String.Format("CurrentVoltage : " MyObject("CurrentVoltage").ToString())
MyInfo = ControlChars.Lf "========================================================="
Catch
End Try
Next MyObject
MessageBox.Show(MyInfo, "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information)
End Sub
Private Sub button3_Click(ByVal sender As Object, ByVal e As EventArgs)
'获取计算机CPU的外部频率
Dim MyInfo As String = "计算机CPU的外部频率是:"
Dim MySearcher As New ManagementObjectSearcher("SELECT * FROM Win32_Processor")
For Each MyObject As ManagementObject In MySearcher.Get()
Try
MyInfo = ControlChars.Lf String.Format("ExtClock : " MyObject("ExtClock").ToString())
MyInfo = ControlChars.Lf "========================================================="
Catch
End Try
Next MyObject
MessageBox.Show(MyInfo, "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information)
End Sub
Private Sub button4_Click(ByVal sender As Object, ByVal e As EventArgs)
'获取计算机CPU的二级缓存
Dim MyInfo As String = "计算机CPU的二级缓存尺寸是:"
Dim MySearcher As New ManagementObjectSearcher("SELECT * FROM Win32_Processor")
For Each MyObject As ManagementObject In MySearcher.Get()
MyInfo = ControlChars.Lf String.Format("L2CacheSize: " MyObject("L2CacheSize").ToString())
MyInfo = ControlChars.Lf "========================================================="
Next MyObject
MessageBox.Show(MyInfo, "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information)
End Sub
Private Sub button5_Click(ByVal sender As Object, ByVal e As EventArgs)
'获取计算机CPU的制造商名称
Dim MyInfo As String = "计算机CPU的制造商名称是:"
Dim MySearcher As New ManagementObjectSearcher("SELECT * FROM Win32_Processor")
For Each MyObject As ManagementObject In MySearcher.Get()
MyInfo = ControlChars.Lf String.Format("Manufacturer : " MyObject("Manufacturer").ToString())
MyInfo = ControlChars.Lf "========================================================="
Next MyObject
MessageBox.Show(MyInfo, "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information)
End Sub
Private Sub button6_Click(ByVal sender As Object, ByVal e As EventArgs)
'获取计算机CPU的产品名称
Dim MyInfo As String = "计算机CPU的产品名称是:"
Dim MySearcher As New ManagementObjectSearcher("SELECT * FROM Win32_Processor")
For Each MyObject As ManagementObject In MySearcher.Get()
MyInfo = ControlChars.Lf String.Format("Name : " MyObject("Name").ToString())
MyInfo = ControlChars.Lf "========================================================="
Next MyObject
MessageBox.Show(MyInfo, "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information)
End Sub
Private Sub button7_Click(ByVal sender As Object, ByVal e As EventArgs)
'获取计算机CPU的版本信息
Dim MyInfo As String = "计算机CPU的版本信息如下:"
Dim MySearcher As New ManagementObjectSearcher("SELECT * FROM Win32_Processor")
For Each MyObject As ManagementObject In MySearcher.Get()
MyInfo = ControlChars.Lf String.Format("Version: " MyObject("Version").ToString())
MyInfo = ControlChars.Lf "========================================================="
Next MyObject
MessageBox.Show(MyInfo, "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information)
End Sub
Private Sub button8_Click(ByVal sender As Object, ByVal e As EventArgs)
'获取计算机CPU的当前使用百分比 注意要把SQLserver或者其他耗CPU的软件开着否则看不到效果就一直为0
Dim MyInfo As String = "计算机CPU的当前使用百分比是:"
Dim MySearcher As New ManagementObjectSearcher("SELECT * FROM Win32_Processor")
For Each MyObject As ManagementObject In MySearcher.Get()
MyInfo = ControlChars.Lf String.Format("LoadPercentage : " MyObject("LoadPercentage").ToString())
MyInfo = ControlChars.Lf "========================================================="
Next MyObject
MessageBox.Show(MyInfo, "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information)
End Sub
Private Sub button9_Click(ByVal sender As Object, ByVal e As EventArgs)
'获取计算机CPU的最大时钟频率
Dim MyInfo As String = "计算机CPU的最大时钟频率是:"
Dim MySearcher As New ManagementObjectSearcher("SELECT * FROM Win32_Processor")
For Each MyObject As ManagementObject In MySearcher.Get()
MyInfo = ControlChars.Lf String.Format("MaxClockSpeed : " MyObject("MaxClockSpeed").ToString())
MyInfo = ControlChars.Lf "========================================================="
Next MyObject
MessageBox.Show(MyInfo, "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information)
End Sub
Private Sub button10_Click(ByVal sender As Object, ByVal e As EventArgs)
'获取计算机CPU的当前时钟频率
Dim MyInfo As String = "计算机CPU的当前时钟频率是:"
Dim MySearcher As New ManagementObjectSearcher("SELECT * FROM Win32_Processor")
For Each MyObject As ManagementObject In MySearcher.Get()
MyInfo = ControlChars.Lf String.Format("CurrentClockSpeed : " MyObject("CurrentClockSpeed").ToString())
MyInfo = ControlChars.Lf "========================================================="
Next MyObject
MessageBox.Show(MyInfo, "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information)
End Sub
Private Sub button11_Click(ByVal sender As Object, ByVal e As EventArgs)
'获取计算机的CPU地址宽度
Dim MyInfo As String = "当前计算机的CPU地址宽度是:"
Dim MySearcher As New ManagementObjectSearcher("SELECT * FROM Win32_Processor")
For Each MyObject As ManagementObject In MySearcher.Get()
MyInfo = ControlChars.Lf String.Format("AddressWidth: " MyObject("AddressWidth").ToString())
MyInfo = ControlChars.Lf "========================================================="
Next MyObject
MessageBox.Show(MyInfo, "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information)
End Sub
Private Sub button14_Click(ByVal sender As Object, ByVal e As EventArgs)
'获取计算机的CPU数据宽度
Dim MyInfo As String = "当前计算机的CPU数据宽度是:"
Dim MySearcher As New ManagementObjectSearcher("SELECT * FROM Win32_Processor")
For Each MyObject As ManagementObject In MySearcher.Get()
MyInfo = ControlChars.Lf String.Format("DataWidth : " MyObject("DataWidth").ToString())
MyInfo = ControlChars.Lf "========================================================="
Next MyObject
MessageBox.Show(MyInfo, "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information)
End Sub
End Class
用2个单选控件
按钮下 如果 单选控件1状态是选中的 就显示窗体2 不是则显示窗体3
或者 你可以显示 图像框控件2
vb.net的话
For
Each
sp
As
String
In
My.Computer.Ports.SerialPortNames
cbxport.Items.Add(sp)
Next
vb6.0的话要调用API查看串口相关信息存在的注册表。
HKEY_LOCAL_MACHINE\HARDWARE\DEVICEMAP\SERIALCOMM
通过读注册表的方法获得串口数量,当然也可以获得串口号了。
Option
Explicit
Private
Declare
Function
RegOpenKey
Lib
"advapi32.dll
"
Alias
"RegOpenKeyA
"
(ByVal
hKey
As
Long,
ByVal
lpSubKey
As
String,
phkResult
As
Long)
As
Long
Private
Declare
Function
RegQueryInfoKey
Lib
"advapi32.dll
"
Alias
"RegQueryInfoKeyA
"
(ByVal
hKey
As
Long,
ByVal
lpClass
As
String,
lpcbClass
As
Long,
ByVal
lpReserved
As
Long,
lpcSubKeys
As
Long,
lpcbMaxSubKeyLen
As
Long,
lpcbMaxClassLen
As
Long,
lpcValues
As
Long,
lpcbMaxValueNameLen
As
Long,
lpcbMaxValueLen
As
Long,
lpcbSecurityDescriptor
As
Long,
lpftLastWriteTime
As
Long)
As
Long
Private
Const
HKEY_LOCAL_MACHINE
=
H80000002
'
获得当前系统的
COM
口的数量
Function
GetCOMCount()
As
Integer
Dim
ret
As
Long,
cntCOM
As
Long
RegOpenKey
HKEY_LOCAL_MACHINE,
"HARDWARE\DEVICEMAP\SERIALCOMM
",
ret
RegQueryInfoKey
ret,
"
",
0,
0,
0,
0,
0,
cntCOM,
0,
0,
0,
GetCOMCount
=
cntCOM
End
Function
Private
Sub
Command1_Click()
MsgBox
"您的机器有
"
GetCOMCount
"
个串口。
",
vbOKOnly,
"串口数量
"
End
Sub
把图片存入资源,或把路径存放变量,在a,b的click事件中加载即可