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::Diagnostics;

	/// <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::Button^  button1;
	protected: 
	private: System::Windows::Forms::TreeView^  treeView1;
	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->button1 = (gcnew System::Windows::Forms::Button());
			this->treeView1 = (gcnew System::Windows::Forms::TreeView());
			this->listView1 = (gcnew System::Windows::Forms::ListView());
			this->columnHeader1 = (gcnew System::Windows::Forms::ColumnHeader());
			this->columnHeader2 = (gcnew System::Windows::Forms::ColumnHeader());
			this->SuspendLayout();
			// 
			// button1
			// 
			this->button1->Location = System::Drawing::Point(2, 2);
			this->button1->Name = L"button1";
			this->button1->Size = System::Drawing::Size(156, 23);
			this->button1->TabIndex = 0;
			this->button1->Text = L"获取系统所有进程及线程";
			this->button1->UseVisualStyleBackColor = true;
			this->button1->Click += gcnew System::EventHandler(this, &Form1::button1_Click);
			// 
			// treeView1
			// 
			this->treeView1->Anchor = static_cast<System::Windows::Forms::AnchorStyles>(((System::Windows::Forms::AnchorStyles::Top | System::Windows::Forms::AnchorStyles::Bottom) 
				| System::Windows::Forms::AnchorStyles::Left));
			this->treeView1->Location = System::Drawing::Point(2, 28);
			this->treeView1->Name = L"treeView1";
			this->treeView1->Size = System::Drawing::Size(156, 183);
			this->treeView1->TabIndex = 1;
			this->treeView1->AfterSelect += gcnew System::Windows::Forms::TreeViewEventHandler(this, &Form1::treeView1_AfterSelect);
			// 
			// 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(163, 2);
			this->listView1->Name = L"listView1";
			this->listView1->Size = System::Drawing::Size(222, 209);
			this->listView1->TabIndex = 2;
			this->listView1->UseCompatibleStateImageBehavior = false;
			this->listView1->View = System::Windows::Forms::View::Details;
			// 
			// columnHeader1
			// 
			this->columnHeader1->Text = L"     项目名称";
			this->columnHeader1->Width = 120;
			// 
			// columnHeader2
			// 
			this->columnHeader2->Text = L"    项目信息";
			this->columnHeader2->Width = 300;
			// 
			// 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->treeView1);
			this->Controls->Add(this->button1);
			this->Name = L"Form1";
			this->StartPosition = System::Windows::Forms::FormStartPosition::CenterScreen;
			this->Text = L"演示获取指定进程线程信息";
			this->ResumeLayout(false);

		}
#pragma endregion
	public:  TreeNode^ MyRootNode ;
	public:  Process^ MyCurrentProcess;
//取得当前选择的进程
private: void GetCurrentProcess(TreeNode^ SelectNode, String^ SelectNodeName)
{   //利用选中的树形视图的节点名称获取具有相同名称的一组进程对象.
	array<Process^>^ MyProcessNode = Process::GetProcessesByName(SelectNodeName);
	int i = 1;
	TreeNode^ MyTempNode = SelectNode;
	//判断在树形视图中选中的进程.
    while ((i <MyProcessNode->Length)&&(MyTempNode->PrevNode->Text == SelectNodeName))
	{
	   i++;
	   MyTempNode = MyTempNode->PrevNode;
	}
	this->MyCurrentProcess=MyProcessNode[i-1];
}
//获取系统所有进程及线程
private: System::Void button1_Click(System::Object^  sender, System::EventArgs^  e) {
   int i = 0 ;
   //清空树形视图节点.
   treeView1->Nodes->Clear();
   //初始化TreeView 的节点对象MYRootNode.
   MyRootNode = gcnew TreeNode("当前系统所有进程") ;
   //获取本机中运行的进程的列表.保存在Process类型的数组MyProcesses中.
   array<Process^>^ MyProcesses = Process::GetProcesses();
   //添加Process数组MyProcesses的每一个成员为MyRootNode对象的一个节点,并将与该进程关联的所有模块作为该节点的子节点添加到视图。
   for each (Process^ MyProcess in MyProcesses)
	{
		MyRootNode->Nodes->Add(MyProcess->ProcessName);
		ProcessModuleCollection^ MyModules = nullptr;
		try
		{
			MyModules =MyProcess->Modules;
		}
		catch(Exception^ MyEx)
		{ // 拒绝访问的进程模块.
			 continue;
		}
		//添加所有的线程为子节点.
		int MyCount=0;
		while(MyCount<MyProcess->Threads->Count)
		{
	      MyRootNode->Nodes[i]->Nodes->Add(MyProcess->Threads[MyCount]->Id.ToString());
		  MyCount++;
		}
		i++ ;
	}
	//添加对象MyRootNode为treeView1的节点.
	treeView1->Nodes->Add(MyRootNode);
}
// 显示进程线程信息
private: System::Void treeView1_AfterSelect(System::Object^  sender, System::Windows::Forms::TreeViewEventArgs^  e) {
	if (treeView1->SelectedNode->Parent == nullptr)
	{
	  ;
	}
	else if(treeView1->SelectedNode->Parent == MyRootNode)
	{ 
        //取得当前选择的进程
		GetCurrentProcess(treeView1->SelectedNode,treeView1->SelectedNode->Text);
	}
	else
	{ //显示线程详细信息
		int MyCount;
		String^ MyName=treeView1->SelectedNode->Text;
		ProcessThread^ MyThread;
		try
		{
			this->listView1->Items->Clear();
			MyCount=0;
			while(MyCount<this->MyCurrentProcess->Threads->Count)
			{
			  MyThread=this->MyCurrentProcess->Threads[MyCount];
			  if(MyThread->Id.ToString()==MyName)
			  {
				this->listView1->Items->Add("标识符")->SubItems->Add(MyThread->Id.ToString());
				this->listView1->Items->Add("基本优先级")->SubItems->Add(MyThread->BasePriority.ToString());
				this->listView1->Items->Add("当前优先级")->SubItems->Add(MyThread->CurrentPriority.ToString());
				this->listView1->Items->Add("内存地址")->SubItems->Add(MyThread->StartAddress.ToString());
				this->listView1->Items->Add("启动时间")->SubItems->Add(MyThread->StartTime.ToString());
				this->listView1->Items->Add("使用时间")->SubItems->Add(MyThread->UserProcessorTime.ToString());
				if(MyThread->ThreadState==ThreadState::Initialized)
					this->listView1->Items->Add("当前状态")->SubItems->Add("线程已初始化但尚未启动");
				if (MyThread->ThreadState==ThreadState::Ready )
							this->listView1->Items->Add("当前状态")->SubItems->Add("线程准备在下一个可用的处理器上运行");
				if (MyThread->ThreadState==ThreadState::Running)
						this->listView1->Items->Add("当前状态")->SubItems->Add("当前正在使用处理器");
				if (MyThread->ThreadState==ThreadState::Standby)
					this->listView1->Items->Add("当前状态")->SubItems->Add("将要使用处理器");
				if (MyThread->ThreadState==ThreadState::Terminated)
					this->listView1->Items->Add("当前状态")->SubItems->Add("已完成执行并已退出");
				if (MyThread->ThreadState==ThreadState::Transition)
					this->listView1->Items->Add("当前状态")->SubItems->Add("在可以执行前等待处理器之外的资源");
				if (MyThread->ThreadState==ThreadState::Unknown)
				 this->listView1->Items->Add("当前状态")->SubItems->Add("状态未知");
				if (MyThread->ThreadState==ThreadState::Wait)
				  this->listView1->Items->Add("当前状态")->SubItems->Add("正在等待外围操作完成或等待资源释放");
				if (MyThread->WaitReason==ThreadWaitReason::EventPairHigh)
				  this->listView1->Items->Add("等待原因")->SubItems->Add("线程正在等待事件对高");
				if (MyThread->WaitReason==ThreadWaitReason::EventPairLow)
					this->listView1->Items->Add("等待原因")->SubItems->Add("线程正在等待事件对低");
				if (MyThread->WaitReason==ThreadWaitReason::ExecutionDelay)
					this->listView1->Items->Add("等待原因")->SubItems->Add("线程执行延迟");
				if (MyThread->WaitReason==ThreadWaitReason::Executive)
					this->listView1->Items->Add("等待原因")->SubItems->Add("线程正在等待计划程序");
				if (MyThread->WaitReason==ThreadWaitReason::FreePage)
					this->listView1->Items->Add("等待原因")->SubItems->Add("线程正在等待可用的虚拟内存页");
				if (MyThread->WaitReason==ThreadWaitReason::LpcReceive)
					this->listView1->Items->Add("等待原因")->SubItems->Add("线程正在等待本地过程调用到达");
				if (MyThread->WaitReason==ThreadWaitReason::LpcReply)
					this->listView1->Items->Add("等待原因")->SubItems->Add("线程正在等待对本地过程调用的回复到达");
				if (MyThread->WaitReason==ThreadWaitReason::PageIn)
					this->listView1->Items->Add("等待原因")->SubItems->Add("线程正在等待虚拟内存页到达内存");
				if (MyThread->WaitReason==ThreadWaitReason::PageOut)
					this->listView1->Items->Add("等待原因")->SubItems->Add("线程正在等待虚拟内存页写入磁盘");
				if (MyThread->WaitReason==ThreadWaitReason::Suspended)
					this->listView1->Items->Add("等待原因")->SubItems->Add("线程执行暂停");
				if (MyThread->WaitReason==ThreadWaitReason::SystemAllocation)
					this->listView1->Items->Add("等待原因")->SubItems->Add("线程正在等待系统分配");
				if (MyThread->WaitReason==ThreadWaitReason::Unknown)
					this->listView1->Items->Add("等待原因")->SubItems->Add("线程正在因未知原因而等待");
				if (MyThread->WaitReason==ThreadWaitReason::UserRequest)
					this->listView1->Items->Add("等待原因")->SubItems->Add("线程正在等待用户请求");
				if (MyThread->WaitReason==ThreadWaitReason::VirtualMemory)
					this->listView1->Items->Add("等待原因")->SubItems->Add("线程正在等待系统分配虚拟内存");
				}
				MyCount++;
		  }
		  if(this->listView1->Items->Count<1)
			  MessageBox::Show("请首先单击进程名称后再单击进程下的线程!","信息提示",MessageBoxButtons::OK,MessageBoxIcon::Information);
		}
		catch(Exception^ MyEx)
		{
			MessageBox::Show("请首先单击进程名称后再单击进程下的线程!","信息提示",MessageBoxButtons::OK,MessageBoxIcon::Information);
		}
   }
}
};
}