The SalComboBox type exposes the following members.
Methods
Name | Description | |
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AddListItem |
Adds a string to a list box or combo box.
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BringWindowToTop |
Brings a window to the top of all overlapping windows.
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CenterWindow |
Centers a window. If the window is a top-level window, it centers it on the
desktop. If the window is a child window, it centers it on top of its parent.
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Clear |
Clears the value from a data field, multiline field, or table window column.
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ClearCursor |
Clears a window's cursor.
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ClearList |
Deletes all entries from a list box or combo box.
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DeleteListItem |
Deletes a list box or combo box entry.
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DestroyWindow |
Destroys a form window, a top-level table window, or a modeless dialog box created
with SalCreateWindow.
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DisableWindow |
Disables keyboard and mouse input to a window. If the window contains text (for example,
a push button), the text is grayed. If the window is a data field, it cannot
receive the focus.
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DisableWindowAndLabel |
Disables keyboard and mouse input to a window and grays out its associated label.
A label is the label control that immediately precedes the window in the outline.
The label control must have a mnemonic. If the window contains text (for
example, a push button), the text is grayed. If the window is a data field, it cannot
receive the focus.
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EnableWindow |
Enables keyboard and mouse input to a window.
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EnableWindowAndLabel |
Enables keyboard and mouse input to a window and enables its associated label as
well. A label is the label control that immediately precedes the window in the
outline.
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FindChild |
This function finds a child window of a given name in the specified window.
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FormUnitsToPixels |
Computes the number of pixels in the number of form units. Form units
are a unit of measurement used by functions which move and position
objects. Form units are computed using physical units (pixels) in conjunction
with the window's font size.
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GetClassName |
Return the name of a window's class as a string.
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GetControlType |
Returns an object's type.
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GetDataLength |
Returns the maximum length of a data field, multiline text field, or table window
column.
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GetDataType |
Returns a data field's or table window column's data type.
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GetFirstChild |
Returns the handle of the first child window of the specified type. You can use this
function to get the handles of MDI child windows.
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GetFont |
Gets a window's font name, size, and enhancements.
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GetFormat()()()() |
Gets the picture format of a data field or table window column.
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GetFormat(SalString%) |
Gets the picture format of a data field or table window column.
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GetFormatCode |
Returns the current format of a data field or table window column.
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GetFormattedText(SalBoolean) |
Copies the contents of a data field or table window column to a string. This function
also lets you copy the format of the data.
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GetFormattedText(SalString%, SalBoolean) |
Copies the contents of a data field or table window column to a string. This function
also lets you copy the format of the data.
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GetInputMask()()()() |
Gets the input mask of a data field or table window column.
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GetInputMask(SalString%) |
Gets the input mask of a data field or table window column.
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GetLabel |
Retrieves the window handle of the label (label control) that is associated with the hWndTarget parameter.
There must be a mnemonic in that label, and it must immediately precede hWndTarget in the outline, or this function will fail.
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GetLabelText(SalNumber) |
Retrieves the text of the label associated to a control. Important: The label control does not
require a mnemonic for the functions listed above to operate.
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GetLabelText(SalString%, SalNumber) |
Retrieves the text of the label associated to a control. Important: The label control does not
require a mnemonic for the functions listed above to operate.
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GetListItemsCount |
Returns the number of list box or combo box entries.
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GetListItemState |
Determines whether the specified list box or combo box entry is selected.
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GetListItemText(SalNumber) |
Returns the text of the specified item.
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GetListItemText(SalNumber, SalString%) |
Returns the text of the specified item.
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GetListItemTextLength |
Returns the length of a list box or combo box entry.
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GetListSelectedFile()()()() |
Fetches the selected directory or file name from a list box or combo box.
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GetListSelectedFile(SalString%) |
Fetches the selected directory or file name from a list box or combo box.
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GetListSelectedIndex |
Returns the index of the selected entry in a combo box or single-selection list box.
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GetListSelectedItems |
Returns an array of index numbers of selected list box entries.
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GetListSelectedItemsCount |
Returns the number of selected entries in a multiple-selection list box. Specify
single- or multiple-selection in the list box's customizer.
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GetLocation |
Returns a window's current position on the X and Y axes.
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GetName()()()() |
Gets the name of an object.
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GetName(SalString%) |
Gets the name of an object.
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GetNextChild |
Returns the handle of the next child window that matches a specified type.
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GetParent |
Returns the handle of an object's parent window.
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GetProperty(SalString) |
Gets the value of a named property.
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GetProperty(SalString, SalString%) |
Gets the value of a named property.
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GetSize |
Returns a window's size.
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GetText(SalNumber) |
Retrieves the text of a window.
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GetText(SalString%, SalNumber) |
Retrieves the text of a window.
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GetTextUnmasked()()()() |
Unmasks the text from a masked edit control.
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GetTextUnmasked(SalString%) |
Unmasks the text from a masked edit control.
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GetWindowColor |
Gets a window's color.
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GetWindowState |
Returns a window's current state.
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HideWindow |
Hides a window.
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HideWindowAndLabel |
Hides a window and its associated label.
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InsertListItem |
Inserts an entry into a list box or combo box at a specified position.
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InvalidateWindow |
Causes a window to be repainted.
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IsDerivedFromClass |
Determines whether a window is an instance of the specified class.
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IsEmpty |
Verifies whether a data field, multiline text field, or table window column is null
or empty.
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IsEnabled |
Determines whether a window is enabled for mouse and keyboard input.
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IsInputKey |
#BugFix for .NET 1.1 and 2.0
The Enter key is considered an input key when the list is dropped down without
considering that when the DropDownStyle is set to Simple the listbox is always
dropped down and cannot be closed up.
(Overrides ComboBox..::..IsInputKey(Keys).) | |
IsModified |
Returns the setting of the Field Edit Flag for a data field, multiline field, combo
box, table window's context row cell, or picture.
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IsValid |
Validates the contents of a data field or table window column using the current profile.
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IsValidDateTime |
Verifies whether a data field, multiline text field, or table window column contains
a valid date/time value. For multiline text fields, the date/time value must
be the only item in the field.
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IsValidDecimal |
Verifies whether a data field, multiline text field, or table window column contains
a valid decimal value. For multiline text fields, the decimal value must be
the only item in the field.
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IsValidInteger |
Verifies whether a data field, multiline text field, or table window column contains
a valid integer value. For multiline text fields, the integer value must be
the only item in the field.
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IsValidNumber |
Verifies whether a data field, multiline text field, or table window column contains
a valid numeric value. Valid numbers are integers or floating point numbers,
negative and positive. For multiline text fields, the numeric value must be the
only item in the field.
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IsVisible |
Determines whether a window is currently visible.
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KillTimer |
Destroys an object's system timer.
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MoveWindow |
Moves a window a given number of form units on the X and Y axes relative to its current
position.
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OnDoubleClick | (Overrides Control..::..OnDoubleClick(EventArgs).) | |
OnDropDown | (Overrides ComboBox..::..OnDropDown(EventArgs).) | |
OnHandleCreated | (Overrides ComboBox..::..OnHandleCreated(EventArgs).) | |
OnKeyDown | (Overrides ComboBox..::..OnKeyDown(KeyEventArgs).) | |
OnKeyPress | (Overrides ComboBox..::..OnKeyPress(KeyPressEventArgs).) | |
OnReadOnlyChanged |
Called when the ReadOnly property has changed.
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OnTextChanged | (Overrides ComboBox..::..OnTextChanged(EventArgs).) | |
PixelsToFormUnits |
Computes the number of form units based on the number of pixels.
Form units are a unit of measurement used by functions that move and position objects.
Form units are computed using physical units (pixels) in conjunction
with a window's font sizes.
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PopulateList(SalSqlHandle, SalString) |
Populates a list box or combo box with a result set. SalListPopulate overrides any
settings made with SalListSetTabs. If the SELECT statement returns data from multiple
columns, each column's data displayed in a list box is separated by tabs.
However, due to a Microsoft Windows limitation, each column's data displayed in
a combo box is separated by a single '|' character. There is no space between
one column's data, the separator character, and another column's data.
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PopulateList(SalSqlHandle, SalString, WhenSqlErrorHandler) |
Populates a list box or combo box with a result set. SalListPopulate overrides any
settings made with SalListSetTabs. If the SELECT statement returns data from multiple
columns, each column's data displayed in a list box is separated by tabs.
However, due to a Microsoft Windows limitation, each column's data displayed in
a combo box is separated by a single '|' character. There is no space between
one column's data, the separator character, and another column's data.
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PopulateListFiles |
Populates a list box or combo box with a directory of files.
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PostMessage |
Posts the specified message to a window by adding nMsg to hWndReceiver's message
queue.
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ProcessDialogKey | (Overrides Control..::..ProcessDialogKey(Keys).) | |
SendMessage |
Sends the specified message to a window. SalSendMsg does not return until the processing
for the message is complete.
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SendMessageToChildren |
Sends a message to all child items of a form window, dialog box, table window, or
MDI window.
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SetContextMenu(Type, SalNumber) |
Defines a named popup menu that displays automatically when a window receives SAM_ContextMenu.
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SetContextMenu(SalString, SalNumber) |
Defines a named popup menu that displays automatically when a window receives SAM_ContextMenu.
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SetCursor(Int32, SalNumber) |
Sets a window's cursor.
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SetCursor(SalResourceCursor, SalNumber) |
Sets a window's cursor.
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SetCursor(SalString, SalNumber) |
Sets a window's cursor from a string variable.
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SetCursorFile |
Sets an application-defined cursor for the specified window. Use this function to
set the cursor from an image stored in a file.
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SetDataLength |
Sets a limit on the number of characters that a user can enter into a data field,
multiline text field, or table window column.
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SetFocus |
Sets the focus to a specified window.
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SetFont |
Sets a window's font, font size, and font enhancements.
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SetFormat |
Sets the picture format of a data field or table window column.
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SetFormatCode |
Sets a data field's or table window column's format.
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SetInputMask |
Sets the input mask of a data field or table window column.
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SetLabelText |
Sets the text of the associaetd label control.
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SetListRedraw |
Redraws entries in a list box or combo box, or prevents them from being redrawn.
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SetListSelectedIndex |
Selects or deselects a combo box or single-selection list box entry.
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SetListSelectedItems |
Selects or deselects a combo box or multiple-selection list box entry.
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SetListSelectedText |
Finds and selects a combo box or single-selection list box entry.
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SetListTabStops |
Sets tabs in a list box.
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SetLocation |
Moves a window to a new position (x, y) on the X and Y axes.
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SetModified |
Sets or clears the field edit flag for an editable data field, combo box, multiline
text field, table window column, or picture.
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SetProperty |
Sets the value of a named property.
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SetSize |
Resizes a window.
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SetText(SalString) |
Sets the text of a window.
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SetText(SalString, SalBoolean) |
Copies a string to a data field or table window column. After copying the string
to the field, formats the string.
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SetTimer |
Creates a system timer for a given object. When a timer event occurs, sends
SAM_Timer messages to the object in specified intervals. Timers are a limited
global resource. Your application must check the value returned by SalTimerSet
to verify that the timer was created.
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SetWindowColor |
Sets a window's color.
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SetVisibleCore | (Overrides Control..::..SetVisibleCore(Boolean).) | |
ShowWindow |
Makes a window visible.
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ShowWindowAndLabel |
Makes a window and its associated label visible. A label is the label control that
immediately precedes the window in the outline.
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TrackPopupMenu(Type, SalNumber, SalNumber, SalNumber) |
Creates pop-up menus at runtime.
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TrackPopupMenu(SalString, SalNumber, SalNumber, SalNumber) |
Creates pop-up menus at runtime.
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UpdateWindow |
Forces the update of a window.
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Validate()()()() |
Validates and formats a data field's or table window column's contents.
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Validate(SalNumber) |
Validates and formats a data field's or table window column's contents.
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WinHelp |
Starts the Windows help system.
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WndProc |
Redirect Windows message to the implementation object.
(Overrides ComboBox..::..WndProc(Message%).) | |
Yield |
Processes messages for this control.
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