C1DropDownEditorBase Class

public abstract class C1DropDownEditorBase : C1DropDownControlBase, IDropTarget, ISynchronizeInvoke, IWin32Window, IBindableComponent, IComponent, IDisposable, IView, ISupportUia, ISupportInitialize, IDropDownOwner, ISupportUiaContainer, IDropDownEditorBase, IDropDownControlBase, ITextBoxHolder, IUiaExpandCollapseProvider

Public MustInherit Class C1DropDownEditorBase
    Inherits C1DropDownControlBase
    Implements IDropTarget, ISynchronizeInvoke, IWin32Window, IBindableComponent, IComponent, IDisposable, IView, ISupportUia, ISupportInitialize, IDropDownOwner, ISupportUiaContainer, IDropDownEditorBase, IDropDownControlBase, ITextBoxHolder, IUiaExpandCollapseProvider

Constructors

Name	Description
C1DropDownEditorBase(BaseThemeProvider)	Initializes a new instance of the C1DropDownEditorBase class.

Properties

Name	Description
AcceptsEscape	Gets or sets a value indicates if the Escape key that cancels modified value is handled by the control without passing it to the owner form (AcceptsEscape=True), or it is then passed to the form and can close it if the form has CancelButton (AcceptsEscape=False).
AutoCompleteCustomSource	Gets or sets a custom StringCollection to use when the AutoCompleteSource property is set to CustomSource.
AutoCompleteMode	Gets or sets an option that controls how automatic completion works for the control.
AutoCompleteSource	Gets or sets a value specifying the source of complete strings used for automatic completion.
BorderStyle	Gets or sets the border type of the text box control.
CanUndo	Gets a value indicating whether the user can undo the previous operation in a drop down control.
CaseSensitive	Gets or sets a value indicating whether string comparisons are case-sensitive.
CharacterCasing	Gets or sets whether the drop down control modifies the case of characters as they are typed.
Command	Gets or sets the ICommand whose Execute(object) method will be called when the OnDropDownClosed(EventArgs) event gets invoked.
CommandParameter	Gets or sets the parameter to pass to the Command property.
CultureInfo	Gets or sets the current CultureInfo object.
CustomFormat	Gets or sets custom format specified used if FormatType property is CustomFormat.
DataMember	Gets or sets the member of the data source object to which the control is bound.
DataSource	Gets or sets the data source object to which the control is bound.
DataType	Gets or sets the type of the Value property.
DisableOnNoData	Gets or sets whether the text box should be disabled when it is bound to an empty data source, i.e. CurrencyManager.Count = 0.
DisplayFormat	Format used to display the value when the control is in display mode.
DropDownStyle	Gets or sets the style of the drop down control.
EditFormat	Format used to display the value when the control is in edit mode (has input focus and is not read-only).
EmptyAsNull	Gets or sets a value indicating whether empty strings are interpreted as null values (DBNull).
ErrorInfo	Gets a settings affecting error handling in the control.
ExitOnLeftRightKey	Gets or sets whether the focus automatically moves to the previous or next control in the tab order when pressing the left or right arrow keys.
FloatingPlaceholderEnabled	Gets or sets the value indicating whether the floating placeholder is enabled.
FormatType	Gets or sets enumeration value determining the formatting method, including standard .NET format specifies, custom and programmatic formatting.
HideSelection	Gets or sets a value indicating whether the selected text in the drop down control remains highlighted when the control loses focus.
InitialSelection	Gets or sets a value determines the selection position when a control receives input focus.
MarkEmpty	Gets or sets a value that indicates need draws a red dotted line if Value is empty or not.
MaxLength	Gets or sets the maximum number of characters the user can type or paste into the drop down control.
MaxLengthUnit	Gets or sets whether the maximum number of characters that fit in the control are handled based on bytes, characters, or text elements.
NullText	Gets or sets string representing a DBNull value.
ParseInfo	Gets a settings affecting parsing, that is, converting the string entered by the user to the data type.
PasswordChar	Gets or sets the character used to mask characters of a password in a single-line drop down control.
Placeholder	Gets or sets the textual place holder, that is displayed by drop down control to prompt the user for information.
PostValidation	Gets a validation rules applied after parsing, that is, after converting the string entered by the user to the DataType (typed validation).
PreValidation	Gets the validation rules applied before parsing, that is, before converting the string entered by the user to the DataType (raw string validation).
ReadOnly	Gets or sets a value indicating whether the text in the edit control can be changed or not.
SelectedText	Gets or sets a value indicating the currently selected text in the control.
SelectionLength	Gets or sets the number of characters selected in the drop down control.
SelectionStart	Gets or sets the starting point of text selected in the drop down control.
ShortcutsEnabled	Gets or sets a value indicating whether the defined shortcuts are enabled.
Text	Gets or sets the text associated with this control.
TextAlign	Gets or sets how text is aligned in a drop down control.
TextLength	Gets the length of text in the control.
TrimEnd	Gets or sets a value indicating whether trailing spaces are removed.
TrimStart	Gets or sets a value indicating whether leading spaces are removed.
UseSystemPasswordChar	Gets or sets a value indicating whether the text in the drop down control should appear as the default password character.
Value	Gets or sets the current DataType representation of the visual information contained in the control.
VerticalAlign	Gets or sets the vertical alignment of the content in the control.

Methods

Name	Description
BeginInit()	Signals the object that initialization is starting.
CheckValidationResult(ErrorReason, ref object, ErrorInfo)	Checks the result of the ParseContent method.
CreateUiaItem(UiaItem)	Creates UI Automation object of this control.
DisposeHostedControl()	Releases the HostedControl and unsubscribe from event handlers.
EndInit()	Signals the object that initialization is complete.
InitilizeView(IDropDownControlViewBase)	Initializes a view of the C1DropDownEditorBase control.
InternalWndProc(ref Message)	The edits window procedure of internal text editor. Inheriting classes can override this to add extra functionality.
OnDataTypeChanged(EventArgs)	Raises the DataTypeChanged event.
OnDropDownClosed(EventArgs)	Raises the DropDownClosed event.
OnEnabledChanged(EventArgs)	Raises the EnabledChanged event.
OnFormatError(FormatErrorEventArgs)	Raises the FormatError event.
OnFormatting(FormatEventArgs)	Raises the Formatting event.
OnHideSelectionChanged(EventArgs)	Raises the HideSelectionChanged event.
OnKeyDown(KeyEventArgs)	Raises the KeyDown event.
OnParsed(ParseEventArgs)	Raises the Parsed event.
OnParsing(ParseEventArgs)	Raises the Parsing event.
OnPostValidated(PostValidationEventArgs)	Raises the PostValidated event.
OnPostValidating(PostValidationEventArgs)	Raises the PostValidating event.
OnPreValidated(PreValidationEventArgs)	Raises the PreValidated event.
OnPreValidating(PreValidationEventArgs)	Raises the PreValidating event.
OnTabIndexChanged(EventArgs)
OnTextAlignChanged(EventArgs)	Raises the TextAlignChanged event.
OnValidationError(ValidationErrorEventArgs)	Raises the ValidationError event.
OnValueChanged(EventArgs)	Raises the ValueChanged event.
OnVerticalAlignChanged(EventArgs)	Raises the VerticalAlignChanged event.
OnVisibleChanged(EventArgs)
ParseContent(out object, ErrorInfo)	Parses the Text string.
ResetAutoCompleteCustomSource()	Restores the default value of the AutoCompleteCustomSource property.
ResetDisplayFormat()	Restores the default value of the DisplayFormat property.
ResetEditFormat()	Restores the default value of the EditFormat property.
ResetErrorInfo()	Restores the default value of the ErrorInfo property.
ResetInitialSelection()	Restores the default value of the InitialSelection property.
ResetParseInfo()	Restores the default value of the ParseInfo property.
ResetPostValidation()	Restores the default value of the PostValidation property.
ResetPreValidation()	Restores the default value of the PreValidation property.
ResetValue()	Restores the default value of the Value property.
Select(int, int)	Selects a range of text in the drop down control.
SelectAll()	Selects all text in the drop down control.
SetHostedControl(Control)	Sets the HostedControl and subscribe to event handlers.
ShouldSerializeAutoCompleteCustomSource()	Specifies whether to save the value of the AutoCompleteCustomSource property.
ShouldSerializeDisplayFormat()	Specifies whether to save the value of the DisplayFormat property.
ShouldSerializeEditFormat()	Specifies whether to save the value of the EditFormat property.
ShouldSerializeErrorInfo()	Specifies whether to save the value of the ErrorInfo property.
ShouldSerializeInitialSelection()	Specifies whether to save the value of the InitialSelection property.
ShouldSerializeParseInfo()	Specifies whether to save the value of the ParseInfo property.
ShouldSerializePostValidation()	Specifies whether to save the value of the PostValidation property.
ShouldSerializePreValidation()	Specifies whether to save the value of the PreValidation property.
ShouldSerializeValue()	Specifies whether to save the value of the Value property.
UpdateValueWithCurrentText()	Triggers parsing of the Text property and updating the Value.
ValidateText()	Validates current Text property in the same manner as it usually validated after the control loses focus.

Events

Name	Description
DataTypeChanged	Occurs when the DataType property changes.
FormatError	Occurs when the control receives data that cannot be formatted according to the current format and edit mask settings.
Formatting	Formatting the value programmatically.
HideSelectionChanged	Occurs when the value of the HideSelection property has changed.
Parsed	Occurs after the input string value has been converted to the DataType.
Parsing	Occurs when the input string is parsed programmatically.
PostValidated	Occurs after the typed value has been validated
PostValidating	Occurs when programmatic typed value validating.
PreValidated	Occurs after the input string value has been validated.
PreValidating	Occurs when programmatic input string validating.
TextAlignChanged	Occurs when the value of the TextAlign property has changed.
ValidationError	Occurs when parsing or validating the input string fails.
ValueChanged	Occurs when the Value property changes.
VerticalAlignChanged	Occurs when the value of the VerticalAlign property changes.