ComboBox

Namespace: Wisej.Web

Assembly: Wisej.Framework (3.0.0.0)

• Control
  • ListControl
    • ComboBox

Represents a combo box control.

C#

public class ComboBox : ListControl, IModified, ILabel, IReadOnly

VB.NET

Public Class ComboBox
    Inherits ListControl
    Implements IModified, ILabel, IReadOnly

Constructors

ComboBox()

Initializes an instance of ComboBox.

Properties

AllowHtml

Boolean: Returns or sets a value indicating that the control can display html in the Text property.

AutoCompleteMode

AutoCompleteMode: Returns or sets how automatic completion works for the ComboBox.

AutoSize

Boolean: Returns or sets whether the height of the control is set automatically.

CharacterCasing

CharacterCasing: Returns or sets whether the ComboBox control modifies the case of characters as they are typed.

DropDownHeight

Int32: Returns or sets the maximum height in pixels of the drop-down portion of the ComboBox.

Throws:

• ArgumentException The specified value is less than one.

DropDownStyle

ComboBoxStyle: Returns or sets the drop down style of the combo box.

DropDownWidth

Int32: Returns or sets the maximum width in pixels of the drop-down list of the ComboBox. When the value is 0, the drop-down list will grow to fit the largest item.

Throws:

• ArgumentException The specified value is less than one.

DroppedDown

Boolean: Returns or sets whether the combo box is displaying its drop-down portion.

EnableNativeContextMenu

Boolean: Enables or disables the browser's context menu.

IncrementalSelection

Boolean: Returns or sets whether items are selected incrementally as the user types within a timeout of 1 second.

ItemHeight

Int32: Gets or sets the height of the list items in the drop-down list. When the value is -1, uses the value set in the theme.

Throws:

• ArgumentOutOfRangeException The assigned value is less than -1; or the assigned value is greater than 500.

Items

ObjectCollection: Returns the collection of the items contained in this ComboBox.

Label

LabelWrapper: Provides a label related to the control.

LabelText

String: Returns or sets the localizable label associated with this control.

LazyLoading

Boolean: Returns or sets whether the items are sent to the client the first time the list is opened and enables the Load event.

MaxLength

Int32: Returns or sets the number of characters a user can type into the ComboBox.

Throws:

• ArgumentOutOfRangeException The value is less than 0.

ReadOnly

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

SelectedIndex

Int32: Returns or sets the index of the currently selected item.

Throws:

• ArgumentOutOfRangeException The specified index is less than -1; o the specified index is greater than the number of items in the combo box.

SelectedItem

Object: Returns or sets currently selected item in the ComboBox.

SelectedText

String: Returns or sets the text that is selected in the editable portion of a ComboBox.

SelectionLength

Int32: Returns or sets the number of characters selected in the editable portion of the combo box.

Throws:

• ArgumentException The value was less than zero.

SelectionStart

Int32: Returns or sets the starting index of text selected in the combo box.

Throws:

• ArgumentException The value is less than zero.

Sorted

Boolean: Returns or sets whether the items in the combo box are sorted.

Throws:

• ArgumentException An attempt was made to sort a ComboBox that is attached to a data source.

SpellCheck

Boolean: Returns or sets whether the text in the ComboBox is spell checked by the browser.

Text

String: Returns or sets the text associated with this control.

Tools

ComponentToolCollection: Returns the instance of ComponentToolContainer associated with this control.

Watermark

String: Returns or sets the text to show when the control is empty.

Methods

BeginUpdate()

Not used. Kept for compatibility.

Copy()

Copies the current selection in the text box to the Clipboard.

Cut()

Moves the current selection in the text box to the Clipboard.

EndUpdate()

Not used. Kept for compatibility.

FindString(text)

Returns the index of the first item in the ComboBox that starts with the specified string.

Parameter	Type	Description
text	String	The String to search for.

Returns: Int32. The zero-based index of the first item found; returns -1 if no match is found.

FindString(text, startIndex)

Returns the index of the first item in the ComboBox beyond the specified index that contains the specified string. The search is not case sensitive.

Parameter	Type	Description
text	String	The String to search for.
startIndex	Int32	The zero-based index of the item before the first item to be searched. Set to -1 to search from the beginning of the control.

Returns: Int32. The zero-based index of the first item found; returns -1 if no match is found, or 0 if the text parameter specifies Empty.

FindStringExact(text)

Finds the first item in the combo box that matches the specified string.

Parameter	Type	Description
text	String	The String to search for.

Returns: Int32. The zero-based index of the first item found; returns -1 if no match is found, or 0 if the text parameter specifies Empty.

FindStringExact(text, startIndex)

Finds the first item after the specified index that matches the specified string.

Parameter	Type	Description
text	String	The String to search for.
startIndex	Int32	The zero-based index of the item before the first item to be searched. Set to -1 to search from the beginning of the control.

Returns: Int32. The zero-based index of the first item found; returns -1 if no match is found, or 0 if the text parameter specifies Empty.

Paste()

Replaces the current selection in the text box with the contents of the Clipboard.

Select(start, length)

Selects a range of text in the editable portion of the ComboBox.

Parameter	Type	Description
start	Int32	The position of the first character in the current text selection within the text box.
length	Int32	The number of characters to select.

SelectAll()

Selects all the text in the editable portion of the ComboBox.

Events

AutoComplete

HandledEventHandler Fired when before the Validating event when the DropDownStyle is set to DropDown or Simple.

The application may implement a different way to select the item when the user types a text and the ComboBox is validated. Set e.Handled to true to override the standard behavior.

this.comboBox1.AutoComplete += (s, e) =>
{
  if (this.comboBox1.Text == "T")
  {
    this.compoBox1.SelectedIndex = 1;
    e.Handled = true;
  }
}

DropDown

EventHandler Fired when the drop-down portion of a ComboBox is shown.

DropDownClosed

EventHandler Fired when the drop-down portion of the ComboBox is no longer visible.

DropDownStyleChanged

EventHandler Fired when the DropDownStyle property has changed.

Load

EventHandler Fired when the drop-down list is first opened and the LazyLoading property is true.

When LazyLoading is true An application may fill the items at any time prior to the drop-down list being opened, or while processing the DropDown or Load event.

ReadOnlyChanged

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

SelectedIndexChanged

EventHandler Fired when the SelectedIndex property has changed.

SelectedItemChanged

EventHandler Fired when the SelectedItem property has changed.

SelectionChangeCommitted

EventHandler Fired when the selected item has changed and that change is displayed in the ComboBox.

SortedChanged

EventHandler Fired when the Sorted property has changed.

ToolClick

ToolClickEventHandler Fired when a ComponentTool is clicked.

Inherited

Properties

Name	Description	From
AccessibleDescription	Returns or sets the description that will be reported to accessibility client applications. It is assigned to the "alt" attribute of the browser element.	Control
AccessibleName	Returns or sets the name of the control for use by accessibility client applications. It is assigned to the "name" attribute of the browser element.	Control
AccessibleRole	Returns or sets the accessible role of the control that will be reported to accessibility client applications. It is assigned to the "role" attribute of the browser element.	Control
AllowDrag	Returns or sets whether the control can initiate a drag-drop operation.	Control
AllowDrop	Returns or sets whether the control can accept data that the user drags onto it.	Control
Anchor	Returns or sets the edges of the container to which a control is bound and determines how a control is resized with its parent.	Control
Anonymous	Returns or sets whether the control receives pointer events. Anonymous controls let pointer events bubble to their parents.	Control
AppearanceKey	Sets the appearance key for the theme engine.	Control
BackColor	Returns or sets the background color for the control.	Control
BackgroundImage	Returns or sets the background image displayed in the control.	Control
BackgroundImageLayout	Returns or sets the background image layout as defined in the ImageLayout enumeration.	Control
BackgroundImageSource	Returns or sets the background image displayed in the control.	Control
BecomingActiveControl	Returns a flag indicating that the control is becoming the active control.	Control
BindingContext	Returns or sets the BindingContext for the control.	Control
BorderStyle	Returns or sets the type of border that is drawn around the ListControl.	ListControl
Bottom	Returns the distance, in pixels, between the bottom edge of the control and the top edge of its container's client area.	Control
Bounds	Returns or sets the size and location of the control including its non-client area, in pixels and relative to the parent control.	Control
CanExecute	Determines whether the control can execute a command.	Control
CanFocus	Returns whether the control can receive focus.	Control
CanSelect	Returns whether the control can be selected.	Control
Capture	Returns or sets whether the control has captured the mouse.	Control
CausesValidation	Returns or sets whether the control causes validation to be performed on controls that require to be validated when this control receives focus.	Control
ClientEvents	Returns a collection of client events and JavaScript listeners. You may attach multiple listeners to same event.	Control
ClientRectangle	Returns the client rectangle of the control.	Control
ClientSize	Returns or sets the height and width of the client area.	Control
ContainsFocus	Indicates whether the control, or one of its child controls, has the input focus.	Control
ContextMenu	Returns or sets the shortcut menu associated with the control.	Control
Controls	Returns the collection of controls contained within the control.	Control
Created	Returns a value indicating whether the control has been created.	Control
CssClass	Returns or sets additional CSS class names to add to the widget.	Control
CssStyle	Returns or sets the custom CSS styles to add to the widget.	Control
Cursor	Returns or sets the cursor that is displayed when the mouse pointer is over the control.	Control
DataBindings	Returns the data bindings for the control.	Control
DataSource	Returns or sets the data source for this ListControl.	ListControl
DisplayMember	Returns or sets the property to display for this ListControl.	ListControl
DisplayRectangle	Returns the rectangle that represents the virtual display area of the control.	Control
Disposing	Returns whether the control is in the process of disposing itself and child controls.	Control
Dock	Returns or sets which control borders are docked to its parent control and determines how a control is resized with its parent.	Control
Enabled	Returns or sets whether the control can respond to user interaction.	Control
Focusable	Returns or sets whether the control can gain the focus.	Control
Focused	Returns a value indicating whether the control has input focus.	Control
Font	Gets or sets the font of the text displayed by the control.	Control
ForeColor	Returns or sets the text color of the control.	Control
FormatInfo	Returns or sets the IFormatProvider that provides custom formatting behavior.	ListControl
FormatString	Returns or sets the format-specifier characters that indicate how a value is to be displayed.	ListControl
FormattingEnabled	Returns or sets whether formatting is applied to the DisplayMember property of the ListControl.	ListControl
Handle	Returns the unique server-side id (handle) for this component.	Control
HasChildren	Returns whether the control contains any child control.	Control
HasDataBindings	Returns whether the control specifies data bindings.	Control
HasResponsiveProfiles	Check if the control defines any responsive profile without forcing the creation of the collection.	Control
HasUserData	Checks if the UserData dynamic object was created and has any value.	Control
Height	Returns or sets the height of the control.	Control
IconMember	Returns or sets the property to use as the icon for the items in the ListControl.	ListControl
InitScript	Returns or sets an initialization script to execute when the widget is created (or reloaded) in the browser.	Control
Invalid	Returns or sets a value that indicates that the control is invalid.	ListControl
InvalidMessage	Returns or sets the invalid message that is shown in the invalid tooltip.	ListControl
IsDisposed	Returns whether the control has been disposed.	Control
IsHandleCreated	Returns if the control has a server-side component id (handle) associated with it.	Control
IsMirrored	Returns whether the control is mirrored.	Control
LayoutEngine	Returns the control's layout engine.	Control
Left	Returns or sets the distance, in pixels, between the left edge of the control and the left edge of its container's client area.	Control
Location	Returns or sets the coordinates of the upper-left corner of the control relative to the upper-left corner of its container.	Control
Margin	Returns or sets the space between controls.	Control
MaximumSize	Returns or sets the maximum size for the control.	Control
MinimumSize	Returns or sets the minimum size for the control.	Control
Modified	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.	ListControl
Movable	Returns or sets whether the control can be moved by dragging.	Control
Name	Gets or sets the name of the control.	Control
Parent	Returns or sets the parent container of the control.	Control
PreferredSize	Returns the preferred size in which the control can fit.	Control
PrefetchItems	Returns or sets the number of items to prefetch outside of the visible area when VirtualScroll is set to true. The default is 0 (disabled).	ListControl
ResizableEdges	Returns or sets the edges of the control that can be dragged to resize the control.	Control
ResponsiveProfiles	Returns the collection of responsive properties that have been set for this control.	Control
Right	Return the distance, in pixels, between the right edge of the control and the left edge of its container's client area.	Control
RightToLeft	Returns or sets whether the control's elements are aligned right-to-left to support RTL languages.	Control
SelectedValue	Returns or sets the value of the member property specified by the ValueMember property.	ListControl
ShowLoader	Returns or sets whether the control is blocked by the ajax loader.	Control
ShowToolTips	Returns or sets whether to show tooltips (set using ToolTipMember) for the list items.	ListControl
Size	Returns or sets the height and width of the control.	Control
States	Returns or sets additional theme states to the client widget.	Control
TabIndex	Returns or sets the tab order of the control within its container.	Control
TabStop	Returns or sets whether the user can give the focus to this control using the TAB key and the Focusable property is set to true.	Control
Tag	Returns or sets the object that contains data about the control.	Control
ToolTipMember	Returns or sets the property to use as the tooltip for the items in the ListControl, when the property ShowToolTips is set to true.	ListControl
ToolTipText	Returns or sets the tooltip text to show for this control.	Control
Top	Returns or sets the distance, in pixels, between the top edge of the control and the top edge of its container's client area.	Control
TopLevelControl	Returns the parent control that is not parented by another Form. Typically, this is the outermost Form that the control is contained in.	Control
UserData	Returns a dynamic object that can be used to store custom data in relation to this control.	Control
UseWaitCursor	Returns or sets whether to use the wait cursor for the current control and all child controls.	Control
ValidationCancelled	Returns a flag indicating that the validation has been canceled.	Control
ValueMember	Returns or sets the property to use as the actual value for the items in the ListControl.	ListControl
VirtualScroll	Enables or disables virtual scrolling for the ListControl. When virtual scrolling is enabled, only the visible items are rendered in the browser allowing the ListControl to host virtually unlimited items without any performance loss.	ListControl
Visible	Returns or sets whether the control and all its child controls are displayed.	Control
Width	Returns or sets the width of the control.	Control

Methods

Name	Description	From
AddClientEventListener(name, script)	Adds a new listener script to the event name to the client widget.	Control
AddCssClass(name)	Adds the CSS class name to the widget element. If the class already exists in the CssClass it's not added.	Control
AddState(state)	Adds the specified theme state to the widget.	Control
Append(data)	Populates the ListControl from the data appending the items to the existing items.	ListControl
BeginInvoke(method)	Executes the specified delegate asynchronously.	Control
BeginInvoke(method, args)	Executes the specified delegate asynchronously.	Control
BringToFront()	Brings the control to the front of the z-order.	Control
Call(function, args)	Runs the JavaScript function within the component's context in the browser.	Control
Call(function, callback, args)	Runs the JavaScript function within the component's context in the browser and returns the value to the callback method.	Control
CallAsync(function, args)	Asynchronously runs the JavaScript function within the component's context in the browser and returns an awaitable Task containing the value returned by the remote call.	Control
CenterToParent()	Centers the position of the control within the bounds of the parent.	Control
CenterToParent(horizontal, vertical)	Centers the position of the control within the bounds of the parent either horizontally, vertically or both.	Control
Contains(control)	Indicates whether the specified control is a child of this control.	Control
CreateControl()	Creates and register this control and all its children.	Control
DoDragDrop(data, allowedEffects)	Begins a drag-and-drop operation.	Control
DoDragDrop(data, allowedEffects, imageSource)	Begins a drag-and-drop operation.	Control
DoDragDrop(data, allowedEffects, imageSource, imageSize)	Begins a drag-and-drop operation.	Control
DoDragDrop(data, allowedEffects, image)	Begins a drag-and-drop operation.	Control
DoDragDrop(data, allowedEffects, image, imageSize)	Begins a drag-and-drop operation.	Control
EndInvoke(asyncResult)	Retrieves the return value from the asynchronous operation represented by asyncResult .	Control
Eval(javaScript)	Runs the javaScript code within the component's context in the browser.	Control
Eval(javaScript, callback)	Runs the javaScript code within the component's context in the browser and returns the value to the callback method.	Control
EvalAsync(javaScript)	Asynchronously runs the javaScript code within the component's context in the browser and returns an awaitable Task that contains the value returned by the remote call.	Control
Fill(data)	Populates the ListControl from the data .	ListControl
FindForm()	Retrieves the form that the control is on.	Control
FindPage()	Retrieves the page that the control is on.	Control
Focus()	Sets input focus to the control.	Control
GetChildAtPoint(pt, skipValue)	Retrieves the child control that is located at the specified coordinates, specifying whether to ignore child controls of a certain type.	Control
GetChildAtPoint(pt)	Retrieves the child control that is located at the specified coordinates.	Control
GetClientEventListener(id)	Returns the script associated to the listener identified by id .	Control
GetClientEventListener(name)	Returns the scripts for all the listeners attached to the event name .	Control
GetContainerControl()	Returns the next IContainerControl up the control's chain of parents.	Control
GetItemIcon(item)	Returns the icon object, either an instance of Image or a String representing the icon name or URL, of the specified item.	ListControl
GetItemText(item)	Returns the text representation of the specified item.	ListControl
GetItemToolTip(item)	Returns the tooltip text related to the object.	ListControl
GetNextControl(control, forward)	Retrieves the next control forward or back in the tab order of child controls.	Control
GetStyle(flag)	Retrieves the value of the specified control style bit for the control.	Control
HasClientEventListener(name)	Checks whether the specified event name has any listener attached.	Control
HasCssClass(name)	Returns true if the property CssClass contains the specified class name .	Control
HasState(state)	Checks whether the specified theme state is present in the States property.	Control
Hide()	Conceals the control from the user.	Control
Invalidate()	Causes the control to update the client side widget. When in design mode, causes the rendered control to update its entire surface in the designer.	Control
Invalidate(invalidateChildren)	Causes the control to update the client side widget. When in design mode, causes the rendered control to update its entire surface in the designer.	Control
Invoke(method)	Executes the specified delegate.	Control
Invoke(method, args)	Executes the specified delegate, on the thread that owns the control's underlying window handle, with the specified list of arguments.	Control
LayoutChildren(dock, spacing, useMargins, hAlign, vAlign)	Arranges all the child Control using the specified dock style, spaced by spacing pixels.	Control
LayoutChildren(dock, viewArea, spacing, useMargins, hAlign, vAlign)	Arranges all the child Control using the specified dock style, spaced by spacing pixels.	Control
LayoutChildren(controls, dock, spacing, useMargins, hAlign, vAlign)	Arranges all the child Control using the specified dock style, spaced by spacing pixels.	Control
LayoutChildren(controls, dock, viewArea, spacing, useMargins, hAlign, vAlign)	Arranges all the child Control using the specified dock style, spaced by spacing pixels.	Control
LayoutChildren(direction, spacing, useMargins, hAlign, vAlign)	Arranges all the child Control in the specified direction , spaced by spacing pixels.	Control
LayoutChildren(direction, viewArea, spacing, useMargins, hAlign, vAlign)	Arranges all the child Control in the specified direction , spaced by spacing pixels, and constrained within the specified viewArea .	Control
LayoutChildren(controls, direction, spacing, useMargins, hAlign, vAlign)	Arranges the specified child controls in the specified direction , spaced by spacing pixels.	Control
LayoutChildren(controls, direction, viewArea, spacing, useMargins, hAlign, vAlign)	Arranges the specified child controls in the specified direction , spaced by spacing pixels, and constrained within the specified viewArea .	Control
PerformLayout()	Forces the control to apply layout logic to all its child controls.	Control
PerformLayout(affectedControl, affectedProperty)	Forces the control to apply layout logic to all its child controls.	Control
PointToClient(point)	Computes the location of the specified screen point into client coordinates.	Control
PointToScreen(point)	Computes the location of the specified client point into screen coordinates.	Control
RectangleToClient(rect)	Computes the size and location of the specified screen rectangle in client coordinates.	Control
RectangleToScreen(rect)	Computes the size and location of the specified client rectangle in screen coordinates.	Control
Refresh()	Forces the control to update corresponding client widget. When in DesignMode it forces a full redraw of the designer surface for this control, including the non-client areas such as the caption of forms or panels.	Control
Refresh(refreshChildren)	Forces the control to update corresponding client widget. When in DesignMode it forces a full redraw of the designer surface for this control and optionally of its children, including the non-client areas such as the caption of forms or panels.	Control
RemoveClientEventListener(id)	Detaches and removes the listener identified by id .	Control
RemoveClientEventListener(name)	Removes all the listeners attached to the event name .	Control
RemoveCssClass(name)	Removes the specified css class name from the control's CssClass property.	Control
RemoveState(state)	Removes the specified theme state from the widget.	Control
ResetBindings()	Removes all the data bindings from the control.	Control
ResumeLayout()	Resumes layout logic.	Control
ResumeLayout(performLayout)	Resumes layout logic, optionally forcing an immediate layout of all pending layout requests.	Control
ScrollControlIntoView(alignX, alignY)	Scrolls the control into view in the container using the specified alignX and alignY preferences.	Control
ScrollControlIntoView()	Scrolls the child control into view.	Control
Select()	Activates a control.	Control
SelectNextControl(control, forward, tabStopOnly, nested, wrap)	Activates the next control in the list according to the specified selection rules.	Control
SendToBack()	Sends the control to the back of the z-order.	Control
SetBounds(x, y, width, height)	Sets the bounds of the control to the specified location and size.	Control
SetBounds(x, y, width, height, specified)	Sets the specified bounds of the control to the specified location and size.	Control
Show()	Displays the control to the user.	Control
SuspendLayout()	Suspends the layout logic for the control.	Control
Update()	Causes the control to update the corresponding client side widget. When in design mode, causes the rendered control to update its entire surface in the designer.	Control
ValidateChildren(flags)	Validates all the child controls in the container. Exactly which controls are validated and which controls are skipped is determined by flags .	Control
ValidateChildren()	Validates all selectable child controls in the container, including descendants. This is equivalent to calling ValidateChildren(ValidationConstraints.Selectable). See Selectable for details of exactly which child controls will be validated.	Control

Events

Name	Description	From
Appear	Fired after the control has been fully rendered on the client.	Control
AutoSizeChanged	Fired when the AutoSize property value changes.	Control
BackColorChanged	Fired when the value of the BackColor property changes.	Control
BackgroundImageChanged	Fired when the value of the BackgroundImage property changes.	Control
BackgroundImageLayoutChanged	Fired when the BackgroundImageLayout property changes.	Control
BecomingActiveControlChanged	Fired when the value of the BecomingActiveControl property changes.	Control
BindingContextChanged	Occurs when the value of the BindingContext property changes.	Control
CausesValidationChanged	Fired when the value of the CausesValidation property changes.	Control
Click	Fired when the control is clicked.	Control
ClientSizeChanged	Fired when the ClientSize property value changes.	Control
ContextMenuChanged	Fired when the value of the ContextMenu property changes.	Control
ControlAdded	Fired when a new control is added to the ControlCollection.	Control
ControlCreated	Fired when a control is made visible the first time, fully created and sent to the client.	Control
ControlRemoved	Fired when a control is removed from the ControlCollection.	Control
CursorChanged	Fired when the value of the Cursor property changes.	Control
DataSourceChanged	Fired when the DataSource changes.	ListControl
Disappear	Fired after the control is no longer visible on the client.	Control
DisplayMemberChanged	Fired when the DisplayMember property changes.	ListControl
Disposed	Fired when the component is disposed.	Control
DockChanged	Fired when the value of the Dock property changes.	Control
DoubleClick	Fired when the control is double-clicked.	Control
DragDrop	Fired when a drag-and-drop operation is completed.	Control
DragEnd	Fired when a drag-drop operation is terminated either by a drop or canceled.	Control
DragEnter	Fired when an object is dragged into the control's bounds.	Control
DragLeave	Fired when an object is dragged out of the control's bounds.	Control
DragOver	Fired when an object is dragged over the control's bounds.	Control
DragStart	Fired when a drag-drop operation is started by the user.	Control
EnabledChanged	Fired when the Enabled property value has changed.	Control
EndMove	Fired when a control is Movable and the user ends the move operation.	Control
EndResize	Fired when a control has ResizableEdges and the user ends the resize operation.	Control
Enter	Fired when the control gains the input focus.	Control
FontChanged	Fired when the Font property value changes.	Control
ForeColorChanged	Fired when the ForeColor property value changes.	Control
Format	Fired when the control is bound to a data value.	ListControl
FormatInfoChanged	Fired when the value of the FormatInfo property changes.	ListControl
FormatStringChanged	Fired when value of the FormatString property changes.	ListControl
FormattingEnabledChanged	Fired when the value of the FormattingEnabled property changes.	ListControl
GotFocus	Fired when the control gains the focus.	Control
HelpRequested	Fired when the user requests help for a control by pressing F1.	Control
IconMemberChanged	Fired when the IconMember property changes.	ListControl
ImeModeChanged	Fired when the ImeMode property has changed.	Control
KeyDown	Fired when a key is pressed while the control has focus.	Control
KeyPress	Fired when a key is pressed while the control has focus.	Control
KeyUp	Fired when a key is released while the control has focus.	Control
Layout	Fired when a control should reposition its child controls.	Control
Leave	Fired when the control loses the input focus.	Control
LocationChanged	Fired when the Location property value has changed.	Control
LongTap	Fired when a pointer holds on the screen.	Control
LostFocus	Fired when the control loses focus.	Control
MarginChanged	Fired when the control's margin changes.	Control
ModifiedChanged	Fired when the value of the Modified property has changed.	ListControl
MouseCaptureChanged	Fired when the control loses mouse capture.	Control
MouseClick	Fired when the control is clicked by the mouse.	Control
MouseDoubleClick	Fired when the control is double clicked by the mouse.	Control
MouseDown	Fired when the mouse pointer is over the control and a mouse button is pressed.	Control
MouseEnter	Fired when the mouse pointer enters the control.	Control
MouseHover	Fired when the mouse pointer rests on the control.	Control
MouseLeave	Fired when the mouse pointer leaves the control.	Control
MouseMove	Fired when the mouse pointer is moved over the control.	Control
MouseUp	Fired when the mouse pointer is over the control and a mouse button is released.	Control
MouseWheel	Fired when the mouse wheel moves while the control has focus.	Control
Paint	Fired when a UserPaint control needs to redraw itself.	Control
ParentChanged	Fired when the Parent property value changes.	Control
Pinch	Fired when two finger moved towards or away from each other. It contains the scaling factor of the pinch.	Control
PreviewKeyDown	Fired before the KeyDown event when a key is pressed while focus is on this control.	Control
QueryContinueDrag	Occurs during a drag-and-drop operation and enables the drag source to determine whether the drag-and-drop operation should be canceled.	Control
Resize	Fired when the control is resized.	Control
ResponsiveProfileChanged	Fired when the active responsive profile is changed.	Control
RightToLeftChanged	Fired when the RightToLeft property value changes.	Control
Rotate	Fired when two finger moved around a single point. It contains the angle of the rotation.	Control
SelectedValueChanged	Fired when the SelectedValue property changes.	ListControl
SizeChanged	Fired when the Size property value changes.	Control
StartMove	Fired when a control is Movable and the user begins the move operation.	Control
StartResize	Fired when a control has ResizableEdges and the user begins the resize operation.	Control
StyleChanged	Fired when the control style changed.	Control
Swipe	Fired when a pointer swipes over the screen.	Control
TabIndexChanged	Fired when the TabIndex property value has changed.	Control
TabStopChanged	Fired when the value of the TabStop property changes.	Control
Tap	Fired when a pointer taps on the screen.	Control
TextChanged	Fired when the Text property value changes.	Control
ToolTipMemberChanged	Fired when the ToolTipMember property changes.	ListControl
TouchCancel	Fired when a touch point has been disrupted in an implementation-specific manner (for example, too many touch points are created).	Control
TouchEnd	Fired when a touch point is removed from the touch surface.	Control
TouchMove	Fired when a touch point is moved along the touch surface.	Control
TouchStart	Fired when a touch point is placed on the touch surface.	Control
Track	Fired when a pointer grabs an item and moves the pointer on it.	Control
Validated	Fired when the control is finished validating.	Control
Validating	Fired when the control is validating.	Control
ValueMemberChanged	Fired when the ValueMember property changes.	ListControl
VisibleChanged	Fired when the Visible property value changes.	Control
WidgetEvent	Fired when the control receives a custom event from the client.	Control

Extension Methods

Name	Description	From
Beep(Target, AudioBase64)	Sounds a tone through the computer's speaker.	Interaction
InputBox(Target, Prompt, Title, DefaultResponse, XPos, YPos, CloseCallback)	Displays a prompt in a dialog box, waits for the user to input text or click a button, and then returns a string containing the contents of the text box.	Interaction
InputBoxAsync(Target, Prompt, Title, DefaultResponse, XPos, YPos)	Asynchronous displays a prompt in a dialog box, waits for the user to input text or click a button, and then returns a string containing the contents of the text box.	Interaction
MsgBox(Target, Prompt, Buttons, Title, CloseCallback)	Displays a message in a dialog box, waits for the user to click a button, and then returns an integer indicating which button the user clicked.	Interaction
MsgBoxAsync(Target, Prompt, Buttons, Title)	Asynchronously displays a message in a dialog box, waits for the user to click a button, and then returns an integer indicating which button the user clicked.	Interaction
ToJSON(obj, formatted)	Serializes the object to a JSON string.	JSON
ToJSON(obj, options)	Serializes the object to a JSON string.	JSON

Inherited By

Name	Description
DataGridViewComboBoxEditingControl	Represents a ComboBox control that can be hosted in a DataGridViewComboBoxCell.
ListViewComboBox	The TreeViewComboBox control represents a UserComboBox control with a ListView as the drop down panel.
TreeViewComboBox	The TreeViewComboBox control represents a UserComboBox control with a TreeView as the drop down panel.
UserComboBox	The UserComboBox control represents a ComboBox control with a custom panel that drops down when the user clicks the down arrow.

Implements

Name	Description
IBindableComponent	Bindable components implement this interface.
ILabel	Provides access to the LabelWrapper associated with the controls that implement this interface.
IReadOnly	Provides access to the ReadOnly property for coontrols that support the read-only mode.
IModified	Provides access to the Modified property and ModifiedChanged event for controls that implement this interface.
IWisejComponent	All wisej components implement this interface.
IWisejControl	All wisej controls derived from the Control class must implement this interface.
IWisejSerializable	Allows an object to serialize itself.