form1.h

这是个好i的为控件添加提示信息的小程序

#pragma once


namespace 为控件添加提示信息 {

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

	/// <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::PictureBox^  pictureBox1;
	protected: 
	private: System::Windows::Forms::Button^  button1;
	private: System::Windows::Forms::Button^  button2;
	private: System::Windows::Forms::ToolTip^  toolTip1;
	private: System::Windows::Forms::OpenFileDialog^  openFileDialog1;
	private: System::ComponentModel::IContainer^  components;

	private:
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>


#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->components = (gcnew System::ComponentModel::Container());
			this->pictureBox1 = (gcnew System::Windows::Forms::PictureBox());
			this->button1 = (gcnew System::Windows::Forms::Button());
			this->button2 = (gcnew System::Windows::Forms::Button());
			this->toolTip1 = (gcnew System::Windows::Forms::ToolTip(this->components));
			this->openFileDialog1 = (gcnew System::Windows::Forms::OpenFileDialog());
			(cli::safe_cast<System::ComponentModel::ISupportInitialize^  >(this->pictureBox1))->BeginInit();
			this->SuspendLayout();
			// 
			// pictureBox1
			// 
			this->pictureBox1->Location = System::Drawing::Point(1, 2);
			this->pictureBox1->Name = L"pictureBox1";
			this->pictureBox1->Size = System::Drawing::Size(291, 223);
			this->pictureBox1->SizeMode = System::Windows::Forms::PictureBoxSizeMode::StretchImage;
			this->pictureBox1->TabIndex = 0;
			this->pictureBox1->TabStop = false;
			// 
			// button1
			// 
			this->button1->Location = System::Drawing::Point(16, 231);
			this->button1->Name = L"button1";
			this->button1->Size = System::Drawing::Size(75, 23);
			this->button1->TabIndex = 1;
			this->button1->Text = L"浏览图像文件";
			this->button1->UseVisualStyleBackColor = true;
			this->button1->Click += gcnew System::EventHandler(this, &Form1::button1_Click);
			// 
			// button2
			// 
			this->button2->Location = System::Drawing::Point(195, 231);
			this->button2->Name = L"button2";
			this->button2->Size = System::Drawing::Size(75, 23);
			this->button2->TabIndex = 2;
			this->button2->Text = L"关闭应用程序";
			this->button2->UseVisualStyleBackColor = true;
			this->button2->Click += gcnew System::EventHandler(this, &Form1::button2_Click);
			// 
			// openFileDialog1
			// 
			this->openFileDialog1->FileName = L"openFileDialog1";
			// 
			// Form1
			// 
			this->AutoScaleDimensions = System::Drawing::SizeF(6, 12);
			this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font;
			this->ClientSize = System::Drawing::Size(292, 266);
			this->Controls->Add(this->button2);
			this->Controls->Add(this->button1);
			this->Controls->Add(this->pictureBox1);
			this->Name = L"Form1";
			this->Text = L"Form1";
			(cli::safe_cast<System::ComponentModel::ISupportInitialize^  >(this->pictureBox1))->EndInit();
			this->ResumeLayout(false);

		}
#pragma endregion
	private: System::Void button1_Click(System::Object^  sender, System::EventArgs^  e) {
				 this->openFileDialog1 ->Filter ="图像文件（Jpeg,Gif,Bmp,etc.）|*.jpg;*jpeg;*.gif;*.bmp;*.tif;*.tiff;*.png|Jpeg图像文件(*.jpg;*.jpeg)|*.jpg;*jpeg|Gif
					 图像文件(*.gif)|*gif|BMP图像文件(*.bmp)|*.bmp|Tiff图像文件(*.tif;*.tiff)|
					 *.tif;*.tiff|Png图像文件(*.png)*.png|所有文件(*.*)|*.*";
					 if (this->openFileDialog1->showDialog()==System::Windows ::Forms ::
						 DialogResult::OK )
					 {
					 String^MyFileName=this->openFileDialog1 ->FileName ;
					 this->pictureBox1 ->Image =System::Drawing ::Bitmap ::FromFile (MyFileName);
					 String^MyInfo="图像文件名："+this->openFileDialog1 ->FileName +"\n";
					 MyInfo+="图像宽度："+this->pictureBox1 ->Image ->Width .ToString ()+"图像高度："+this->toolTip1 ->SetToolTip (this->pictureBox1 ,MyInfo);
					 }
			 }
	private: System::Void button2_Click(System::Object^  sender, System::EventArgs^  e) {
				 this->Close ();
			 }
};
}