... OnClick( EventArgs e ) { clickNum++; if( (clickNum % 2) == 0 ) base.OnClick(e); // Button.OnClick fires Click event }}Complex ControlsComplex ControlsDocking ControlsDocking ControlsAnchor ... ComponentsWorking with MenuWorking with MenuCreating MDI applications withWindows Creating MDI applications withWindows Forms FormsDeploying WindowsForms ApplicationsDeploying WindowsForms ApplicationsUser ... right-click a form or control. right-click a form or control. System .Windows. Forms. ApplicationSystem .Windows. Forms. ApplicationThe Application class represents the application The Application class...
... namestring cnString = "Data Source=(local);➥Initial Catalog=RealWorld;Integrated Security=SSPI;";//declare Connection, command and other related objectsSqlConnection conReport = new SqlConnection(cnString);SqlCommand ... datasetcmdReport.CommandType = CommandType.Text;cmdReport.Connection = conReport;cmdReport.CommandText = "Select * FROM dbo.AddressList";//read data from command objectdrReport = cmdReport.ExecuteReader();//load ... userMessageBox.Show(ex.Message);}finally{//check if connection is still open then attempt to close itif (conReport.State == ConnectionState.Open)CHAPTER 4 ■REPORTING WITHWINDOWS FORMS1 148547ch04final.qxd 8/30/07...
... namespace. You cannot create an instance of this class, as no accessible instance constructor is providedPublic Static PropertiesCommonAppDataRegistry Gets the RegistryKey for application ... Form class itself.The controls in the WindowsForms namespace are discussed throughout thebook. Many of the more common controls appear in chapter 9, “Basic controls,” chap-ter 10, “List controls,” ... . } // The Car class is derived from the Vehicle class class Car : Vehicle { . . . } // The Bus class is derived from the Vehicle class class Bus : Vehicle { . . . } }Back to our program,...
... to create the WindowsForms application).5. Click the OK button to finish the process. After you click OK, Visual Studio will create anew WindowsForms application project. You’ll also notice ... dsProductProfit();try{// open connectionconReport.Open();cmdReport.CommandType = CommandType.Text;cmdReport.Connection = conReport;// get query string from string buildercmdReport.CommandText = "SELECT * FROM ... pane, select WindowsForms Application. 4. Please give the application a name; I’ve called the project ProductProfit. You maychoose a different location for storing the application files according...
... Where ProductID IN (" & strItems & ")", ocnn) ocmdSelect.CommandType = CommandType.Text ocnn.Open() ocmdSelect.ExecuteNonQuery() Catch excpCommand As Exception ... CommandType.Text ocnn.Open() ocmdUnSelect.ExecuteNonQuery() Catch excpCommand As Exception MessageBox.Show(excpCommand.Message) End Try LoadUnSelectedProducts() LoadSelectedProducts() ... Beverages category chosen in the top combo box. The Selected and Unselected Products ListBox controls are filled in with the appropriate products. If you click on a product in the Unselected Products...
... ■EchoCancellationMode Denes the current echo cancellation mode. Values can be• CancellationAndSuppression Perform echo cancellation and suppression.• CancellationOnly Perform echo cancellation ... (name a speci c directory along with directions to create it, if necessary).2. If prompted, review the displayed end user license agreement. If you accept the terms, select the accept option, ... Musgrave and Carol Dillingham Project Editor: Carol Dillingham Editorial Production: Megan Smith-Creed Technical Reviewer: Pierce Bizzaca; Technical Review services provided by Content Master,...
... access to some screens and other users to have accessto other screens. You could easily use CheckBoxes to allow an administrator to check off which screens areallowed for which users.You can ... public class Form1 : System .Windows. Forms. Form { private System .Windows. Forms. TabControl tc; private System .Windows. Forms. TabPage t1; private System .Windows. Forms. TabPage t2; private System .Windows. Forms. Label ... seethat both the CheckBox and the RadioButton derive from the Button class.The CheckBox ControlYou can use this control in a list to allow the user to choose values within that list. CheckBoxes are...
... www.awprofessional.comLibrary of Congress Cataloging-in-Publication DataNoyes, Brian.Smart client deployment with ClickOnce : deploying Windows Forms applications with ClickOnce / Brian Noyes. p. cm.Includes ... 264Deploying ClickOnce Applications with Firefox 266Launching a ClickOnce Application Programmatically 267Pushing ClickOnce Installations to the Client Machine 268Web Server ClickOnce Configuration ... NoyesContents xiiiClickOnce Size Limitations for Online-Only Applications 186ClickOnce Tamper Protections 186Internet Explorer Security Settings Affecting ClickOnce 188Configuring ClickOnce Security Permissions...
... member is called a constructor, and works much like a constructor in C+ +.This is an instance constructor since it initializes new instances of the MyForm class. Aninstance constructor with no ... base Vehicle class class Vehicle { . . . } // The Car class is derived from the Vehicle class class Car : Vehicle { . . . } // The Bus class is derived from the Vehicle class class Bus ... 12 CHAPTER 1 GETTING STARTED WITHWINDOWS FORMS ..NET Table 1.1 Application class The Application class is an object that encapsulates the static members necessary to manage and process forms, ...
... formbRecent projectsQuick access to recent projectsdDockable windows One-click access (via the tabs) tovarious windows in the environmenteNew Project buttonClick here to create a new projectfSolution ... try blockthrows this class as an exception. The catch clause can leave this class name out tocatch any exception. Here, we catch all Exception class objects, which is generallyall exceptions ... process (catch) exceptions. Note that it is possible for unmanaged code to throw exceptions that will not be seen as Exception objects. These exceptions can be caught using an empty catch clause.Public...
... it.PointToClient Converts a screen location to client coordinates.Public EventsClickOccurs when the control is clicked.KeyPress Occurs when a key is pressed while the control has focus.MouseUp Occurs ... experienced users especiallyappreciate. Context menus are typically associated with a specific graphical control,but can also be brought up programmatically. As a result, context menus providequick ... associated with a graphical control, and are displayed automatically at a right-click of the mouse within the con-trol. The Control class contains a ContextMenu property inherited by most controls...
... sorted collection of keys and values accessible by both key and index.ICloneable, ICollection, IEnumerable, IDictionaryStringCollectionA collection of string objects. IList, ICollection, ... objects. This class is abstract.ICloneable, IList, ICollec-tion, IEnumerableArrayListA dynamically-sized array. ICloneable, IList, ICollection, IEnumerableCollectionBaseAn abstract class ... kind. Within the.NET Framework is the System.Object class. In Microsoft’s C# compiler, theSystem.Object class is equivalent to the C# object class. So object and Objectare different but functionally...
... next.UPDATE MENUIMAGE_CHILDCLICK EVENT HANDLER Action Result12 Locate the menuImage_ChildClick method in the MainForm.cs source file. protected void menuImage_ChildClick (object sender, System.EventArgs ... ScrollableControl and ContainerControlclasses extend the Control class discussed in chapter 4 to support functionalityrequired by the Form class. The ScrollableControl class adds auto-scrollingcapabilities, ... Add a call to menuImage_ChildClick in this constructor. menuImage_ChildClick(menuScale, EventArgs.Empty); }Note: This call must occur after the InitializeCompo-nent method has been called...
... // btnCancel // this.btnCancel.DialogResult = System .Windows. Forms. DialogResult.Cancel; this.btnCancel.Location = new System.Drawing.Point(187, 88); this.btnCancel.Name = "btnCancel"; ... _album.Save(); _bAlbumChanged = false; }3 Catch any exception that occurs. catch (Exception ex) {4 Within the catch block, display the dialog and record the selected button. string msg = "Unable ... exception occurs in the menuSave_Click method.HANDLE EXCEPTION IN MENUSAVE_CLICK METHOD Action Result1 Locate the menuSave_Click method in the MainForm.cs file. private void menuSave_Click...