form1.h

《VC++2005编程实例》第二章的源代码

#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::Drawing::Imaging;	

	/// <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::Button^  button1;
	private: System::Windows::Forms::ListView^  listView1;
	private: System::Windows::Forms::ColumnHeader^  columnHeader1;
	private: System::Windows::Forms::ColumnHeader^  columnHeader2;
	private: System::Windows::Forms::ColumnHeader^  columnHeader3;
	private: System::Windows::Forms::ColumnHeader^  columnHeader4;
	private: System::Windows::Forms::ColumnHeader^  columnHeader5;
	private: System::Windows::Forms::ColumnHeader^  columnHeader6;
	private: System::Windows::Forms::ColumnHeader^  columnHeader7;
	private: System::Windows::Forms::ColumnHeader^  columnHeader8;
	private: System::Windows::Forms::ColumnHeader^  columnHeader9;

	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->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->columnHeader3 = (gcnew System::Windows::Forms::ColumnHeader());
			this->columnHeader4 = (gcnew System::Windows::Forms::ColumnHeader());
			this->columnHeader5 = (gcnew System::Windows::Forms::ColumnHeader());
			this->columnHeader6 = (gcnew System::Windows::Forms::ColumnHeader());
			this->columnHeader7 = (gcnew System::Windows::Forms::ColumnHeader());
			this->columnHeader8 = (gcnew System::Windows::Forms::ColumnHeader());
			this->columnHeader9 = (gcnew System::Windows::Forms::ColumnHeader());
			this->SuspendLayout();
			// 
			// label1
			// 
			this->label1->AutoSize = true;
			this->label1->Location = System::Drawing::Point(13, 13);
			this->label1->Name = L"label1";
			this->label1->Size = System::Drawing::Size(173, 12);
			this->label1->TabIndex = 0;
			this->label1->Text = L"当前系统图像编码器信息列表：";
			// 
			// button1
			// 
			this->button1->Location = System::Drawing::Point(213, 8);
			this->button1->Name = L"button1";
			this->button1->Size = System::Drawing::Size(165, 23);
			this->button1->TabIndex = 1;
			this->button1->Text = L"获取系统图像编码器信息";
			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^  >(9) {this->columnHeader1, this->columnHeader2, 
				this->columnHeader3, this->columnHeader4, this->columnHeader5, this->columnHeader6, this->columnHeader7, this->columnHeader8, 
				this->columnHeader9});
			this->listView1->FullRowSelect = true;
			this->listView1->GridLines = true;
			this->listView1->Location = System::Drawing::Point(13, 38);
			this->listView1->Name = L"listView1";
			this->listView1->Size = System::Drawing::Size(365, 164);
			this->listView1->TabIndex = 2;
			this->listView1->UseCompatibleStateImageBehavior = false;
			this->listView1->View = System::Windows::Forms::View::Details;
			// 
			// columnHeader1
			// 
			this->columnHeader1->Text = L"编码标识";
			// 
			// columnHeader2
			// 
			this->columnHeader2->Text = L"文件格式标识";
			this->columnHeader2->Width = 90;
			// 
			// columnHeader3
			// 
			this->columnHeader3->Text = L"编码器名称";
			this->columnHeader3->Width = 75;
			// 
			// columnHeader4
			// 
			this->columnHeader4->Text = L"依赖的DLL";
			this->columnHeader4->Width = 75;
			// 
			// columnHeader5
			// 
			this->columnHeader5->Text = L"编码描述";
			// 
			// columnHeader6
			// 
			this->columnHeader6->Text = L"文件扩展名";
			this->columnHeader6->Width = 75;
			// 
			// columnHeader7
			// 
			this->columnHeader7->Text = L"MIME类型描述";
			this->columnHeader7->Width = 85;
			// 
			// columnHeader8
			// 
			this->columnHeader8->Text = L"标志集";
			// 
			// columnHeader9
			// 
			this->columnHeader9->Text = L"编码器版本";
			this->columnHeader9->Width = 75;
			// 
			// 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->label1);
			this->Name = L"Form1";
			this->StartPosition = System::Windows::Forms::FormStartPosition::CenterScreen;
			this->Text = L"演示获取图像编码器信息";
			this->ResumeLayout(false);
			this->PerformLayout();

		}
#pragma endregion
	//获取系统图像编码器信息
	private: System::Void button1_Click(System::Object^  sender, System::EventArgs^  e) {
	  array<ImageCodecInfo^>^ MyInfos;
	  int MyLength, i;
	  array<System::String^>^ MyItems = gcnew array<System::String^>(9);
	  ListViewItem^ MyListViewItem;
	  try
	  {
       this->listView1->Items->Clear();
	   MyInfos=ImageCodecInfo::GetImageEncoders();
       MyLength=MyInfos.Length;
       for(i=0;i<MyLength;i++)
        {
           MyItems[0]=MyInfos[i]->Clsid.ToString();
           MyItems[1]=MyInfos[i]->FormatID.ToString();
           MyItems[2]=MyInfos[i]->CodecName;
		   MyItems[3]=MyInfos[i]->DllName;
           MyItems[4]=MyInfos[i]->FormatDescription;
           MyItems[5]=MyInfos[i]->FilenameExtension;
           MyItems[6]=MyInfos[i]->MimeType;
           MyItems[8]=MyInfos[i]->Version.ToString();
           MyListViewItem=gcnew ListViewItem(MyItems,9);
           this->listView1->Items->Add(MyListViewItem);
         }
     }
     catch(Exception^ MyEx)
     {
		 MessageBox::Show(MyEx->Message,"信息提示", MessageBoxButtons::OK, MessageBoxIcon::Information);
     }
	}

	};
}