Namespace: Wisej.Web

Assembly: Wisej.Framework (3.1.0.0)

Defines a command that can be used for data binding.

public interface ICommand

Public Interface ICommand

Methods

CanExecute(args)

Defines a method that determines whether the command can execute in its current state.

Returns: Boolean. true if this command can be executed; otherwise, false.

Execute(args)

Defines a method to be called when the command is invoked.

Events

CanExecuteChanged

EventHandler Fired when changes occur that affect whether or not the command should execute.

Implemented By

Namespace: Wisej.Web

Assembly: Wisej.Framework (3.1.0.0)

Allows a control to act like a button on a Form.

public interface IButtonControl

Public Interface IButtonControl

Properties

DialogResult

DialogResult: Returns or sets the value returned to the parent form when the button is clicked.

Methods

PerformClick()

Generates a Click event for the control.

Implemented By

Namespace: Wisej.Web

Assembly: Wisej.Framework (3.1.0.0)

Defines an object that can invoke a .

Properties

Command

: The command to execute.

Events

CommandChanged

Fired when the property changes.

Implemented By

Namespace: Wisej.Web

Assembly: Wisej.Framework (3.1.0.0)

Provides the functionality for a control to act as a parent for other controls.

Properties

ActiveControl

: Returns or sets the control that is active on the container control.

Methods

ActivateControl(control)

Activates a specified control.

Returns: . true if the control is successfully activated; otherwise, false.

Implemented By

Namespace: Wisej.Web

Assembly: Wisej.Framework (3.1.0.0)

Controls that support drag & drop operations implement this interface.

Methods

OnDragDrop(e)

Fires the event.

This event fires only if there is an handler attached to it. A simple overload of the On[Event] method in a derived class will not be invoked unless there is at least one handler attached to the event.

OnDragEnter(e)

Fires the event.

This event fires only if there is an handler attached to it. A simple overload of the On[Event] method in a derived class will not be invoked unless there is at least one handler attached to the event.

OnDragLeave(e)

Fires the event.

This event fires only if there is an handler attached to it. A simple overload of the On[Event] method in a derived class will not be invoked unless there is at least one handler attached to the event.

This event fires only if there is an handler attached to it. A simple overload of the On[Event] method in a derived class will not be invoked unless there is at least one handler attached to the event.

Events

This event fires only if there is an handler attached to it. A simple overload of the On[Event] method in a derived class will not be invoked unless there is at least one handler attached to the event.

This event fires only if there is an handler attached to it. A simple overload of the On[Event] method in a derived class will not be invoked unless there is at least one handler attached to the event.

This event fires only if there is an handler attached to it. A simple overload of the On[Event] method in a derived class will not be invoked unless there is at least one handler attached to the event.

This event fires only if there is an handler attached to it. A simple overload of the On[Event] method in a derived class will not be invoked unless there is at least one handler attached to the event.

Implemented By

Namespace: Wisej.Web

Assembly: Wisej.Framework (3.1.0.0)

Provides a format-independent mechanism for transferring data.

Methods

GetData(format, autoConvert)

Retrieves the data associated with the specified data format, using autoConvert to determine whether to convert the data to the format.

Returns: .

GetData(format)

Retrieves the data associated with the specified data format.

Returns: .

GetData(format)

Retrieves the data associated with the specified class type format.

Determines whether data stored in this instance is associated with the specified format, using autoConvert to determine whether to convert the data to the format.

Determines whether data stored in this instance is associated with, or can be converted to, the specified format.

Determines whether data stored in this instance is associated with, or can be converted to, the specified format.

Gets a list of all formats that data stored in this instance is associated with or can be converted to, using autoConvert to determine whether to retrieve all formats that the data can be converted to or' only native data formats.

Gets a list of all formats that data stored in this instance is associated with or can be converted to.

Stores the specified data and its associated format in this instance, using autoConvert to specify whether the data can be converted to another format.

Stores the specified data and its associated format in this instance.

Stores the specified data and its associated class type in this instance.

Stores the specified data in this instance, using the class of the data for the format.

Implemented By

Namespace: Wisej.Web

Assembly: Wisej.Framework (3.1.0.0)

Provides access to the ReadOnly property for coontrols that support the read-only mode.

public interface IReadOnly

Public Interface IReadOnly

Using IReadOnly allows developers to use uniform code to access the read-only properties and events used by the control.

// Old code
if (control is TextBox)
((TextBox)control).ReadOnly = true;
else if (control is DataGridView)
((DataGridView)control).ReadOnly = true;
// etc...

// New code
if (control is IReadOnly)
((IReadOnly)control).ReadOnlyy = true;

Properties

Boolean: Returns or sets whether the text box control is read-only.

Events

EventHandler Fired when the value of the ReadOnly property has changed.

Implemented By

Namespace: Wisej.Web

Assembly: Wisej.Framework (3.1.0.0)

Provides access to the Modified property and ModifiedChanged event for controls that implement this interface.

public interface IModified

Public Interface IModified

Using IModified allows developers to use uniform code to access the modified state event of a control.

// Old code
if (control is TextBox)
return ((TextBox)control).Modifed;
else if (control is DateTimePicker)
return ((DateTimePicker)control).Modifed;
// etc...

// New code
return (control as IModified)?.Modified;

Properties

Modified

Boolean: Returns or sets a value that indicates that the control has been modified by the user since the control was created or its contents were last set.

Events

EventHandler Fired when the value of the Modified property has changed.

Implemented By

Namespace: Wisej.Web

Assembly: Wisej.Framework (3.1.0.0)

Provides access to the associated with the controls that implement this interface.

Using allows developers to use uniform code to access the properties used by the control to show a label.

Properties

Implemented By

Namespace: Wisej.Web

Assembly: Wisej.Framework (3.1.0.0)

Provides access to common image properties across the controls that implement this interface.

public interface IImage

Public Interface IImage

Using IImage allows developers to use uniform code to access the image-related properties used by the control.

// Old code
if (control is Button)
((Button)control).ImageSource = "icon-save";
else if (control is Label)
((Label)control).ImageSource = "icon-save";
// etc...

// New code
if (control is IImage)
((IImage)control).ImageSource = "icon-save";

Properties

Image

Image: Returns or sets the Image that is displayed in the control.

ContentAlignment: Returns or sets the alignment of the image for the controls that support image aligment.

Int32: Returns or sets the image list index value of the image in the ImageList.

String: Returns or sets the key accessor for the image in the ImageList.

ImageList: Returns or sets the ImageList that contains the images to display in the control.

String: Returns or sets the theme name or URL for the image to display in the control.

Implemented By