form1.h

来自「Visual_C++.NET实用编程百例」· C头文件 代码 · 共 200 行

#pragma once


namespace login
{
	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: 如果您更改该类的名称，则需要更改 
	///          与该类所依赖的所有 .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关联的
	///          本地化资源正确交互。
	/// </summary>
	public __gc class Form1 : public System::Windows::Forms::Form
	{	
	public:
		Form1(void)
		{
			InitializeComponent();
		}
  
	protected:
		void Dispose(Boolean disposing)
		{
			if (disposing && components)
			{
				components->Dispose();
			}
			__super::Dispose(disposing);
		}
	private: System::Windows::Forms::Label *  label1;
	private: System::Windows::Forms::Label *  label2;
	private: System::Windows::Forms::TextBox *  textBox1;
	private: System::Windows::Forms::TextBox *  textBox2;
	private: System::Windows::Forms::Button *  button1;
	private: System::Windows::Forms::Button *  button2;
	private: System::Windows::Forms::ErrorProvider *  errorProvider1;

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

		/// <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 = new System::Windows::Forms::Label();
			this->label2 = new System::Windows::Forms::Label();
			this->textBox1 = new System::Windows::Forms::TextBox();
			this->textBox2 = new System::Windows::Forms::TextBox();
			this->button1 = new System::Windows::Forms::Button();
			this->button2 = new System::Windows::Forms::Button();
			this->errorProvider1 = new System::Windows::Forms::ErrorProvider();
			this->SuspendLayout();
			// 
			// label1
			// 
			this->label1->Location = System::Drawing::Point(48, 24);
			this->label1->Name = S"label1";
			this->label1->Size = System::Drawing::Size(48, 23);
			this->label1->TabIndex = 0;
			this->label1->Text = S"用户名";
			// 
			// label2
			// 
			this->label2->Location = System::Drawing::Point(48, 64);
			this->label2->Name = S"label2";
			this->label2->Size = System::Drawing::Size(48, 23);
			this->label2->TabIndex = 1;
			this->label2->Text = S"密 码";
			// 
			// textBox1
			// 
			this->errorProvider1->SetError(this->textBox1, S"用户名不能为空");
			this->textBox1->Location = System::Drawing::Point(104, 24);
			this->textBox1->Name = S"textBox1";
			this->textBox1->Size = System::Drawing::Size(120, 21);
			this->textBox1->TabIndex = 2;
			this->textBox1->Text = S"";
			this->textBox1->Validating += new System::ComponentModel::CancelEventHandler(this, validating);
			this->textBox1->Validated += new System::EventHandler(this, textBox1_Validated);
			this->textBox1->Leave += new System::EventHandler(this, FocusLeave);
			// 
			// textBox2
			// 
			this->errorProvider1->SetError(this->textBox2, S"密密不能为空");
			this->textBox2->Location = System::Drawing::Point(104, 64);
			this->textBox2->Name = S"textBox2";
			this->textBox2->PasswordChar = '*';
			this->textBox2->Size = System::Drawing::Size(120, 21);
			this->textBox2->TabIndex = 3;
			this->textBox2->Text = S"";
			this->textBox2->Validating += new System::ComponentModel::CancelEventHandler(this, validating);
			this->textBox2->Validated += new System::EventHandler(this, textBox1_Validated);
			// 
			// button1
			// 
			this->button1->Location = System::Drawing::Point(56, 104);
			this->button1->Name = S"button1";
			this->button1->Size = System::Drawing::Size(56, 23);
			this->button1->TabIndex = 4;
			this->button1->Text = S"登录";
			this->button1->Click += new System::EventHandler(this, button1_Click);
			// 
			// button2
			// 
			this->button2->Location = System::Drawing::Point(176, 104);
			this->button2->Name = S"button2";
			this->button2->Size = System::Drawing::Size(56, 23);
			this->button2->TabIndex = 5;
			this->button2->Text = S"退出";
			this->button2->Click += new System::EventHandler(this, button2_Click);
			// 
			// errorProvider1
			// 
			this->errorProvider1->BlinkStyle = System::Windows::Forms::ErrorBlinkStyle::AlwaysBlink;
			this->errorProvider1->ContainerControl = this;
			// 
			// Form1
			// 
			this->AutoScaleBaseSize = System::Drawing::Size(6, 14);
			this->ClientSize = System::Drawing::Size(288, 142);
			this->Controls->Add(this->button2);
			this->Controls->Add(this->button1);
			this->Controls->Add(this->textBox2);
			this->Controls->Add(this->textBox1);
			this->Controls->Add(this->label2);
			this->Controls->Add(this->label1);
			this->FormBorderStyle = System::Windows::Forms::FormBorderStyle::FixedDialog;
			this->MinimizeBox = false;
			this->Name = S"Form1";
			this->ShowInTaskbar = false;
			this->Text = S"登录";
			this->Load += new System::EventHandler(this, Form1_Load);
			this->ResumeLayout(false);

		}	
	private: System::Void button1_Click(System::Object *  sender, System::EventArgs *  e)
			 {
				 if(textBox1->Text->Equals("name") && textBox2->Text->Equals("password"))
					 MessageBox::Show ("您好，欢迎您使用本系统","欢迎");
				 else 
				 {
					 MessageBox::Show("您输入的用户名、密码错误","错误");
					 textBox1->Text = "";
					 textBox1->Text = "";
					 textBox1->Focus();
				 }
			 }

private: System::Void button2_Click(System::Object *  sender, System::EventArgs *  e)
		 {
			 this->Close();
		 }


private: System::Void Form1_Load(System::Object *  sender, System::EventArgs *  e)
		 {
			 //设置窗体的AcceptButton和CancelButton属性
			 //当用户按下回车键时，响应button1的事件
			 //当用户按下Esc键时，响应button2的事件
			 this->AcceptButton = button1;
			 this->CancelButton = button2;
			 textBox1->Focus ();
		 }

private: System::Void FocusLeave(System::Object *  sender, System::EventArgs *  e)
		 {
			
		 }

private: System::Void validating(System::Object *  sender, System::ComponentModel::CancelEventArgs *  e)
		 {
			  if(textBox1->Text =="")
				 errorProvider1->SetError(textBox1,"用户名不能为空");
		 }

private: System::Void textBox1_Validated(System::Object *  sender, System::EventArgs *  e)
		 {
			 if(textBox1->Text =="")
				 errorProvider1->SetError(textBox1,"用户名不能为空");
		 }

};
}