form1.cs

这是本人学习语言来第一次写的程序

			this.toolBar1.DropDownArrows = true;
			this.toolBar1.ImageList = this.imageList1;
			this.toolBar1.Location = new System.Drawing.Point(0, 0);
			this.toolBar1.Name = "toolBar1";
			this.toolBar1.ShowToolTips = true;
			this.toolBar1.Size = new System.Drawing.Size(648, 41);
			this.toolBar1.TabIndex = 1;
			this.toolBar1.ButtonClick += new System.Windows.Forms.ToolBarButtonClickEventHandler(this.toolBar1_ButtonClick);
			// 
			// toolBarButton1
			// 
			this.toolBarButton1.ImageIndex = 0;
			this.toolBarButton1.Text = "借书";
			this.toolBarButton1.ToolTipText = "点击开始借书……";
			// 
			// toolBarButton9
			// 
			this.toolBarButton9.Style = System.Windows.Forms.ToolBarButtonStyle.Separator;
			// 
			// toolBarButton2
			// 
			this.toolBarButton2.ImageIndex = 1;
			this.toolBarButton2.Text = "还书";
			this.toolBarButton2.ToolTipText = "点击开始还书……";
			// 
			// toolBarButton10
			// 
			this.toolBarButton10.Style = System.Windows.Forms.ToolBarButtonStyle.Separator;
			// 
			// toolBarButton11
			// 
			this.toolBarButton11.Style = System.Windows.Forms.ToolBarButtonStyle.Separator;
			// 
			// toolBarButton3
			// 
			this.toolBarButton3.ImageIndex = 5;
			this.toolBarButton3.Text = "查书";
			this.toolBarButton3.ToolTipText = "查询图书信息……";
			// 
			// toolBarButton12
			// 
			this.toolBarButton12.Style = System.Windows.Forms.ToolBarButtonStyle.Separator;
			// 
			// toolBarButton4
			// 
			this.toolBarButton4.ImageIndex = 6;
			this.toolBarButton4.Text = "查读者";
			this.toolBarButton4.ToolTipText = "查找读者信息……";
			// 
			// toolBarButton13
			// 
			this.toolBarButton13.Style = System.Windows.Forms.ToolBarButtonStyle.Separator;
			// 
			// toolBarButton5
			// 
			this.toolBarButton5.ImageIndex = 7;
			this.toolBarButton5.Text = "查员工";
			this.toolBarButton5.ToolTipText = "查找员工信息……";
			this.toolBarButton5.Visible = false;
			// 
			// toolBarButton14
			// 
			this.toolBarButton14.Style = System.Windows.Forms.ToolBarButtonStyle.Separator;
			// 
			// toolBarButton17
			// 
			this.toolBarButton17.Style = System.Windows.Forms.ToolBarButtonStyle.Separator;
			// 
			// toolBarButton6
			// 
			this.toolBarButton6.ImageIndex = 4;
			this.toolBarButton6.Text = "密码";
			this.toolBarButton6.ToolTipText = "修改密码……";
			// 
			// toolBarButton15
			// 
			this.toolBarButton15.Style = System.Windows.Forms.ToolBarButtonStyle.Separator;
			// 
			// toolBarButton7
			// 
			this.toolBarButton7.ImageIndex = 3;
			this.toolBarButton7.Text = "锁定";
			this.toolBarButton7.ToolTipText = "锁定系统……";
			// 
			// toolBarButton16
			// 
			this.toolBarButton16.Style = System.Windows.Forms.ToolBarButtonStyle.Separator;
			// 
			// toolBarButton21
			// 
			this.toolBarButton21.ImageIndex = 8;
			this.toolBarButton21.Text = "隐藏";
			this.toolBarButton21.ToolTipText = "点击隐藏工具栏。";
			// 
			// toolBarButton18
			// 
			this.toolBarButton18.Style = System.Windows.Forms.ToolBarButtonStyle.Separator;
			// 
			// toolBarButton19
			// 
			this.toolBarButton19.Style = System.Windows.Forms.ToolBarButtonStyle.Separator;
			// 
			// toolBarButton20
			// 
			this.toolBarButton20.Style = System.Windows.Forms.ToolBarButtonStyle.Separator;
			// 
			// toolBarButton8
			// 
			this.toolBarButton8.ImageIndex = 2;
			this.toolBarButton8.Text = "帮助";
			this.toolBarButton8.ToolTipText = "点击查看帮助信息……";
			// 
			// imageList1
			// 
			this.imageList1.ImageSize = new System.Drawing.Size(16, 16);
			this.imageList1.ImageStream = ((System.Windows.Forms.ImageListStreamer)(resources.GetObject("imageList1.ImageStream")));
			this.imageList1.TransparentColor = System.Drawing.Color.Transparent;
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.BackgroundImage = ((System.Drawing.Image)(resources.GetObject("$this.BackgroundImage")));
			this.ClientSize = new System.Drawing.Size(648, 265);
			this.ContextMenu = this.contextMenu1;
			this.Controls.Add(this.toolBar1);
			this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
			this.IsMdiContainer = true;
			this.Menu = this.mainMenu1;
			this.Name = "Form1";
			this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
			this.Text = "图书馆信息管理系统";
			this.WindowState = System.Windows.Forms.FormWindowState.Maximized;
			this.Load += new System.EventHandler(this.Form1_Load);
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// 应用程序的主入口点。
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new Form1());
		}

		private void Form1_Load(object sender, System.EventArgs e)
		{
			Process[] processes;
			int count=0;
			processes=Process.GetProcesses();
			foreach(Process instance in processes)
			{
				if(instance.ProcessName=="图书馆信息管理系统")
					count++;
			}
			if(count>1)
			{
				this.Close();
			}
			this.menuItemdzgl.Enabled=false;
			this.menuItemtsgl.Enabled=false;
			this.menuItemjshs.Enabled=false;
			this.menuItemyggl.Enabled=false;
			this.menuItemaq.Enabled=false;
			this.menuItembz.Enabled=false;
			this.menuItemjs.Enabled=false;
			this.menuItemhs.Enabled=false;
			this.menuItemsd.Enabled=false;
			this.toolBarButton5.Visible=false;
			dlWin MyDl=new dlWin();
			if( MyDl.ShowDialog() ==DialogResult.Yes)
			{
				if( MyDl.SystemAdministrator)
				{
					this.menuItemdzgl.Enabled=true;
					this.menuItemtsgl.Enabled=true;
					this.menuItemjshs.Enabled=true;
					this.menuItemyggl.Enabled=true;
					this.menuItemaq.Enabled=true;
					this.menuItembz.Enabled=true;
					this.menuItemjs.Enabled=true;
					this.menuItemhs.Enabled=true;
					this.menuItemsd.Enabled=true;
					this.menuItemdzzc.Enabled=true;
					this.menuItemxxxg.Enabled=true;
					this.menuItemdzzx.Enabled=true;
					this.menuItemtjts.Enabled=true;
					this.menuItemscts.Enabled=true;
					this.menuItemjlxg.Enabled=true;
					this.menuItemzjyg.Enabled=true;
					this.menuItemscyg.Enabled=true;
					this.menuItemcxyg.Enabled=true;
					this.menuItemzlxg.Enabled=true;
					this.toolBarButton5.Visible=true;
				}
				else
				{
					MessageBox.Show("非系统管理员，功能将受到限制．","登录提示：",MessageBoxButtons.OK,MessageBoxIcon.Information);
					this.menuItemdzgl.Enabled=true;
					this.menuItemtsgl.Enabled=true;
					this.menuItemjshs.Enabled=true;
					this.menuItemyggl.Enabled=true;
					this.menuItemaq.Enabled=true;
					this.menuItembz.Enabled=true;
					this.menuItemjs.Enabled=true;
					this.menuItemhs.Enabled=true;
					this.menuItemsd.Enabled=true;
					this.menuItemdzzc.Enabled=false;
					this.menuItemxxxg.Enabled=false;
					this.menuItemdzzx.Enabled=false;
					this.menuItemtjts.Enabled=false;
					this.menuItemscts.Enabled=false;
					this.menuItemjlxg.Enabled=false;
					this.menuItemzjyg.Enabled=false;
					this.menuItemscyg.Enabled=false;
					this.menuItemcxyg.Enabled=false;
					this.menuItemzlxg.Enabled=false;
				}
			}
			else
			{
				MessageBox.Show("登录失败，请证实你的用户名和密码后再登录！！！","登录提示：",MessageBoxButtons.OK,MessageBoxIcon.Exclamation);
				this.Close();
			}
		}

		private void menuItemsdxt_Click(object sender, System.EventArgs e)
		{
			MessageBox.Show("请注意关闭不安全的窗口！！！","锁定提示：",MessageBoxButtons.OK,MessageBoxIcon.Exclamation);
			Form1_Load(null,null);
		}

		private void menuItemsd_Click(object sender, System.EventArgs e)
		{
			MessageBox.Show("请注意思关闭不安全的窗口！！！","锁定提示：",MessageBoxButtons.OK,MessageBoxIcon.Exclamation);
			Form1_Load(null,null);
		}

		private void menuItemtc_Click(object sender, System.EventArgs e)
		{
			this.Close();
		}

		private void menuItemcxyg_Click(object sender, System.EventArgs e)
		{
			cxyg MyCxyg=new cxyg();
			MyCxyg.MdiParent=this;
			MyCxyg.Show();
		}

		private void menuItemzjyg_Click(object sender, System.EventArgs e)
		{
			zjyg MyZjyg=new zjyg();
			MyZjyg.MdiParent=this;
			MyZjyg.Show();
		}

		private void menuItemscyg_Click(object sender, System.EventArgs e)
		{
			scyg MyScyg=new scyg();
			MyScyg.MdiParent=this;
			MyScyg.Show();
		}

		private void menuItemmmxg_Click(object sender, System.EventArgs e)
		{
			mmxg MyMmxg=new mmxg();
			MyMmxg.MdiParent=this;
			MyMmxg.Show();
		}

		private void menuItemzlxg_Click(object sender, System.EventArgs e)
		{
			zlxg MyZlxg=new zlxg();
			MyZlxg.MdiParent=this;
			MyZlxg.Show();
		}

		private void menuItemdzcx_Click(object sender, System.EventArgs e)
		{
			dzcx MyDzcx=new dzcx();
			MyDzcx.MdiParent=this;
			MyDzcx.Show();
		}

		private void menuItemdzzc_Click(object sender, System.EventArgs e)
		{
			dzzc MyDzzc=new dzzc();
			MyDzzc.MdiParent=this;
			MyDzzc.Show();
		}

		private void menuItemdzzx_Click(object sender, System.EventArgs e)
		{
			dzzx MyDzzx=new dzzx();
			MyDzzx.MdiParent=this;
			MyDzzx.Show();
		}

		private void menuItemxxxg_Click(object sender, System.EventArgs e)
		{
			xxxg MyXxxg=new xxxg();
			MyXxxg.MdiParent=this;
			MyXxxg.Show();
		}

		private void menuItemsmcx_Click(object sender, System.EventArgs e)
		{
			smcx MySmcx=new smcx();
			MySmcx.MdiParent=this;
			MySmcx.Show();
		}

		private void menuItemscts_Click(object sender, System.EventArgs e)
		{
			scts MyScts=new scts();
			MyScts.MdiParent=this;
			MyScts.Show();
		}

		private void menuItemjlxg_Click(object sender, System.EventArgs e)
		{
			jlxg MyJlxg=new jlxg();
			MyJlxg.MdiParent=this;
			MyJlxg.Show();
		}

		private void menuItemtjts_Click(object sender, System.EventArgs e)
		{
			tjts MyTjts=new tjts();
			MyTjts.MdiParent=this;
			MyTjts.Show();
		}

		private void menuItemjsgl_Click(object sender, System.EventArgs e)
		{
			jsgl MyJsgl=new jsgl();
			MyJsgl.MdiParent=this;
			MyJsgl.SetForm1(this);
			MyJsgl.Show();
		}

		private void menuItem1_Click(object sender, System.EventArgs e)
		{
			this.Close();
		}

		private void menuItemhsgl_Click(object sender, System.EventArgs e)
		{
			hsgl MyHsgl=new hsgl();
			MyHsgl.MdiParent=this;
			MyHsgl.SetForm1(this);
			MyHsgl.Show();
		}

		private void menuItemjs_Click(object sender, System.EventArgs e)
		{
			menuItemjsgl_Click(null,null);
		}

		private void menuItemhs_Click(object sender, System.EventArgs e)
		{
			menuItemhsgl_Click(null,null);
		}

		private void toolBar1_ButtonClick(object sender, System.Windows.Forms.ToolBarButtonClickEventArgs e)
		{
			switch(e.Button.Text)
			{   
				case "借书":
					menuItemjsgl_Click(null,null);
					break;
				case "还书":
					menuItemhsgl_Click(null,null);
					break;
				case "查书":
					menuItemsmcx_Click(null,null);
					break;
				case "查读者":
					menuItemdzcx_Click(null,null);
					break;
				case "查员工":
					menuItemcxyg_Click(null,null);
					break;
				case "密码":
					menuItemmmxg_Click(null,null);
					break;
				case "锁定":
					menuItemsdxt_Click(null,null);
					break;
				case "隐藏":
					this.toolBar1.Visible=false;
					break;
				case "帮助":
					menuItemsysm_Click(null,null);
					break;
			}

		}

		private void menuItem2_Click(object sender, System.EventArgs e)
		{
			this.toolBar1.Visible=true;
		}

		private void menuItemgyxt_Click(object sender, System.EventArgs e)
		{
			gy MyGy=new gy();
			MyGy.MdiParent=this;
			MyGy.Show();
		}

		private void menuItemsysm_Click(object sender, System.EventArgs e)
		{
			bz MyBz=new bz();
			MyBz.MdiParent=this;
			MyBz.Show();
		}

		private void menuItem3_Click(object sender, System.EventArgs e)
		{
			this.toolBar1.Visible=false;
		}

		private void menuItemtsgl_Click(object sender, System.EventArgs e)
		{
		
		}
	}
}