form1.h

《VC++2005编程实例》第四章的源代码

#pragma once


namespace Example {

	using namespace System;
	using namespace System::ComponentModel;
	using namespace System::Collections;
	using namespace System::Windows::Forms;
	using namespace System::Data;
	using namespace System::Drawing;

	using namespace System::Management;

	/// <summary>
	/// Form1 摘要
	///
	/// 警告: 如果更改此类的名称，则需要更改
	///          与此类所依赖的所有 .resx 文件关联的托管资源编译器工具的
	///          “资源文件名”属性。否则，
	///          设计器将不能与此窗体的关联
	///          本地化资源正确交互。
	/// </summary>
	public ref class Form1 : public System::Windows::Forms::Form
	{
	public:
		Form1(void)
		{
			InitializeComponent();
			//
			//TODO: 在此处添加构造函数代码
			//
		}

	protected:
		/// <summary>
		/// 清理所有正在使用的资源。
		/// </summary>
		~Form1()
		{
			if (components)
			{
				delete components;
			}
		}
	private: System::Windows::Forms::Label^  label1;
	protected: 
	private: System::Windows::Forms::TextBox^  textBox1;
	private: System::Windows::Forms::Label^  label2;
	private: System::Windows::Forms::Button^  button1;
	private: System::Windows::Forms::ListView^  listView1;
	private: System::Windows::Forms::ColumnHeader^  columnHeader1;
	private: System::Windows::Forms::ColumnHeader^  columnHeader2;

	private:
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		System::ComponentModel::Container ^components;

#pragma region Windows Form Designer generated code
		/// <summary>
		/// 设计器支持所需的方法 - 不要
		/// 使用代码编辑器修改此方法的内容。
		/// </summary>
		void InitializeComponent(void)
		{
			this->label1 = (gcnew System::Windows::Forms::Label());
			this->textBox1 = (gcnew System::Windows::Forms::TextBox());
			this->label2 = (gcnew System::Windows::Forms::Label());
			this->button1 = (gcnew System::Windows::Forms::Button());
			this->listView1 = (gcnew System::Windows::Forms::ListView());
			this->columnHeader1 = (gcnew System::Windows::Forms::ColumnHeader());
			this->columnHeader2 = (gcnew System::Windows::Forms::ColumnHeader());
			this->SuspendLayout();
			// 
			// label1
			// 
			this->label1->AutoSize = true;
			this->label1->Location = System::Drawing::Point(13, 20);
			this->label1->Name = L"label1";
			this->label1->Size = System::Drawing::Size(83, 12);
			this->label1->TabIndex = 0;
			this->label1->Text = L"WQL查询语句：";
			// 
			// textBox1
			// 
			this->textBox1->Location = System::Drawing::Point(102, 16);
			this->textBox1->Name = L"textBox1";
			this->textBox1->Size = System::Drawing::Size(275, 21);
			this->textBox1->TabIndex = 1;
			this->textBox1->Text = L"SELECT * FROM Win32_SoundDevice";
			// 
			// label2
			// 
			this->label2->AutoSize = true;
			this->label2->Location = System::Drawing::Point(12, 50);
			this->label2->Name = L"label2";
			this->label2->Size = System::Drawing::Size(215, 12);
			this->label2->TabIndex = 2;
			this->label2->Text = L"使用WMI获取的声音设备信息查询结果：";
			// 
			// button1
			// 
			this->button1->Location = System::Drawing::Point(302, 43);
			this->button1->Name = L"button1";
			this->button1->Size = System::Drawing::Size(75, 23);
			this->button1->TabIndex = 3;
			this->button1->Text = L"开始查询";
			this->button1->UseVisualStyleBackColor = true;
			this->button1->Click += gcnew System::EventHandler(this, &Form1::button1_Click);
			// 
			// listView1
			// 
			this->listView1->Anchor = static_cast<System::Windows::Forms::AnchorStyles>((((System::Windows::Forms::AnchorStyles::Top | System::Windows::Forms::AnchorStyles::Bottom) 
				| System::Windows::Forms::AnchorStyles::Left) 
				| System::Windows::Forms::AnchorStyles::Right));
			this->listView1->Columns->AddRange(gcnew cli::array< System::Windows::Forms::ColumnHeader^  >(2) {this->columnHeader1, this->columnHeader2});
			this->listView1->FullRowSelect = true;
			this->listView1->GridLines = true;
			this->listView1->Location = System::Drawing::Point(15, 75);
			this->listView1->Name = L"listView1";
			this->listView1->Size = System::Drawing::Size(362, 127);
			this->listView1->TabIndex = 4;
			this->listView1->UseCompatibleStateImageBehavior = false;
			this->listView1->View = System::Windows::Forms::View::Details;
			// 
			// columnHeader1
			// 
			this->columnHeader1->Text = L"          项目名称";
			this->columnHeader1->Width = 180;
			// 
			// columnHeader2
			// 
			this->columnHeader2->Text = L"             项目值";
			this->columnHeader2->Width = 180;
			// 
			// Form1
			// 
			this->AutoScaleDimensions = System::Drawing::SizeF(6, 12);
			this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font;
			this->ClientSize = System::Drawing::Size(390, 214);
			this->Controls->Add(this->listView1);
			this->Controls->Add(this->button1);
			this->Controls->Add(this->label2);
			this->Controls->Add(this->textBox1);
			this->Controls->Add(this->label1);
			this->Name = L"Form1";
			this->StartPosition = System::Windows::Forms::FormStartPosition::CenterScreen;
			this->Text = L"演示使用WMI查询声音设备信息";
			this->ResumeLayout(false);
			this->PerformLayout();

		}
#pragma endregion
	//开始查询
	private: System::Void button1_Click(System::Object^  sender, System::EventArgs^  e) {
   this->listView1->Items->Clear();
   String^ MyWql = this->textBox1->Text;
   try
   {
       ManagementObjectSearcher^ MySearcher =
                       gcnew ManagementObjectSearcher("root\\CIMV2",MyWql);
       for each (ManagementObject^ MyQuery in MySearcher->Get())
      {
         array<System::String^>^ MySubItems1 ={ "Caption", MyQuery["Caption"]->ToString() };
         ListViewItem^ MyItem1 = gcnew ListViewItem(MySubItems1);
         this->listView1->Items->Add(MyItem1);
         array<System::String^>^ MySubItems2 ={ "Description", MyQuery ["Description"]->ToString() };
         ListViewItem^ MyItem2 = gcnew ListViewItem(MySubItems2);
         this->listView1->Items->Add(MyItem2);
         array<System::String^>^ MySubItems3 ={ "DeviceID", MyQuery["DeviceID"]->ToString() };
         ListViewItem^ MyItem3 = gcnew ListViewItem(MySubItems3);
        this->listView1->Items->Add(MyItem3);
         array<System::String^>^ MySubItems4 ={ "Manufacturer", MyQuery ["Manufacturer"]->ToString() };
         ListViewItem^ MyItem4 = gcnew ListViewItem(MySubItems4);
         array<System::String^>^ MySubItems5 ={ "Name", MyQuery["Name"]->ToString() };
         ListViewItem^ MyItem5 = gcnew ListViewItem(MySubItems5);
         this->listView1->Items->Add(MyItem5);
         array<System::String^>^ MySubItems6 ={ "PNPDeviceID", MyQuery ["PNPDeviceID"]->ToString() };
         ListViewItem^ MyItem6 = gcnew ListViewItem(MySubItems6);
         this->listView1->Items->Add(MyItem6);                    
         this->listView1->Items->Add(MyItem4);
         array<System::String^>^ MySubItems7 ={ "PowerManagementSupported", MyQuery ["PowerManagementSupported"]->ToString() };
         ListViewItem^ MyItem7 = gcnew ListViewItem(MySubItems7);
         this->listView1->Items->Add(MyItem7);
         array<System::String^>^ MySubItems8 ={ "ProductName", MyQuery ["ProductName"]->ToString() };
         ListViewItem^ MyItem8 = gcnew ListViewItem(MySubItems8);
         this->listView1->Items->Add(MyItem8);
         array<System::String^>^ MySubItems9 ={ "Status", MyQuery["Status"]->ToString() };
         ListViewItem^ MyItem9 = gcnew ListViewItem(MySubItems9);
         this->listView1->Items->Add(MyItem9);
         array<System::String^>^ MySubItems10 ={ "StatusInfo", MyQuery ["StatusInfo"]->ToString() };
         ListViewItem^ MyItem10 = gcnew ListViewItem(MySubItems10);
         this->listView1->Items->Add(MyItem10);                  
      }              
   }
   catch (Exception^ MyEx)
   {
	   MessageBox::Show(MyEx->Message, "信息提示", MessageBoxButtons::OK, MessageBoxIcon::Information);
   }

			 }
};
}