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Version: 2025

SalCustomControl

Namespace: PPJ.Runtime.Windows

Assembly: PPJ.Web.49 (4.9.0.0)

CustomControl implementation.

public class SalCustomControl : Control, ISalWindow

Constructors

Instance memberSalCustomControl()

Constructs a SalCustomControl object.

Properties

Instance memberNamedProperties

SalNamedProperties: Returns the collection of named properties.

Methods

Instance memberBringWindowToTop()

Brings a window to the top of all overlapping windows.

Returns: SalBoolean.

Instance memberCenterWindow()

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.

Returns: SalBoolean.

Instance memberClearCursor(type)

Clears a window's cursor.

ParameterTypeDescription
typeSalNumber

Returns: SalBoolean.

Instance memberDestroyWindow()

Destroys a form window, a top-level table window, or a modeless dialog box created with SalCreateWindow.

Returns: SalBoolean.

Instance memberDisableWindow()

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.

Returns: SalBoolean.

Instance memberEnableWindow()

Enables keyboard and mouse input to a window.

Returns: SalBoolean.

Instance memberFindChild(windowName)

This function finds a child window of a given name in the specified window.

ParameterTypeDescription
windowNameSalString

Returns: SalWindowHandle.

Instance memberFireWindowActions(msg, mywParam, mylParam)

Dispatches the specified message (Window Actions) directly to the control's WindowActions event handlers, without going through Windows message loop.

ParameterTypeDescription
msgSalNumber
mywParamSalNumber
mylParamSalNumber

Returns: SalNumber.

Instance memberFormUnitsToPixels(formUnits, vertical)

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.

ParameterTypeDescription
formUnitsSalNumber
verticalSalBoolean

Returns: SalNumber.

Instance memberGetClassName()

Return the name of a window's class as a string.

Returns: SalString.

Instance memberGetControlType()

Returns an object's type.

Returns: SalNumber.

Instance memberGetFirstChild(typeMask)

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.

ParameterTypeDescription
typeMaskSalNumber

Returns: SalWindowHandle.

Instance memberGetFont(name, size, enhancement)

ParameterTypeDescription
nameSalString&
sizeSalNumber&
enhancementSalNumber&

Returns: SalBoolean.

Instance memberGetLocation(x, y)

ParameterTypeDescription
xSalNumber&
ySalNumber&

Returns: SalBoolean.

Instance memberGetName(text)

ParameterTypeDescription
textSalString&

Returns: SalBoolean.

Instance memberGetName()

Gets the name of an object.

Returns: SalString.

Instance memberGetNextChild(typeMask)

Returns the handle of the next child window that matches a specified type.

ParameterTypeDescription
typeMaskSalNumber

Returns: SalWindowHandle.

Instance memberGetParent()

Returns the handle of an object's parent window.

Returns: SalWindowHandle.

Instance memberGetProperty(name, value)

ParameterTypeDescription
nameSalString
valueSalString&

Returns: SalBoolean.

Instance memberGetProperty(name)

Gets the value of a named property.

ParameterTypeDescription
nameSalString

Returns: SalString.

Instance memberGetSize(width, height)

ParameterTypeDescription
widthSalNumber&
heightSalNumber&

Returns: SalBoolean.

Instance memberGetText(text, maxLen)

ParameterTypeDescription
textSalString&
maxLenSalNumber

Returns: SalNumber.

Instance memberGetText(maxLen)

Retrieves the text of a window.

ParameterTypeDescription
maxLenSalNumber

Returns: SalString.

Instance memberGetWindowColor(colorIndex)

Gets a window's color.

ParameterTypeDescription
colorIndexSalNumber

Returns: SalNumber.

Instance memberGetWindowState()

Returns a window's current state.

Returns: SalNumber.

Instance memberHideWindow()

Hides a window.

Returns: SalBoolean.

Instance memberInvalidateWindow()

Causes a window to be repainted.

Returns: SalBoolean.

Instance memberIsDerivedFromClass(typeClass)

Determines whether a window is an instance of the specified class.

ParameterTypeDescription
typeClassType

Returns: SalBoolean.

Instance memberIsEnabled()

Determines whether a window is enabled for mouse and keyboard input.

Returns: SalBoolean.

Instance memberIsVisible()

Determines whether a window is currently visible.

Returns: SalBoolean.

Instance memberKillTimer(idEvent)

Destroys an object's system timer.

ParameterTypeDescription
idEventSalNumber

Returns: SalBoolean.

Instance memberMoveWindow(xOffset, yOffset)

Moves a window a given number of form units on the X and Y axes relative to its current position.

ParameterTypeDescription
xOffsetSalNumber
yOffsetSalNumber

Returns: SalBoolean.

Instance memberPixelsToFormUnits(numPixels, vertical)

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.

ParameterTypeDescription
numPixelsSalNumber
verticalSalBoolean

Returns: SalNumber.

Instance memberPostMessage(msg, mywParam, mylParam)

Posts the specified message to a window by adding nMsg to hWndReceiver's message queue.

ParameterTypeDescription
msgSalNumber
mywParamSalNumber
mylParamSalNumber

Returns: SalBoolean.

Instance memberSendMessage(msg, mywParam, mylParam)

Sends the specified message to a window. SalSendMsg does not return until the processing for the message is complete.

ParameterTypeDescription
msgSalNumber
mywParamSalNumber
mylParamSalNumber

Returns: SalNumber.

Instance memberSendMessageToChildren(msg, mywParam, mylParam)

Sends a message to all child items of a form window, dialog box, table window, or MDI window.

ParameterTypeDescription
msgSalNumber
mywParamSalNumber
mylParamSalNumber

Returns: SalBoolean.

Instance memberSetContextMenu(sMenuName, nFlags)

Defines a named popup menu that displays automatically when a window receives SAM_ContextMenu.

ParameterTypeDescription
sMenuNameSalString
nFlagsSalNumber

Returns: SalBoolean.

Instance memberSetContextMenu(menuType, flags)

Defines a named popup menu that displays automatically when a window receives SAM_ContextMenu.

ParameterTypeDescription
menuTypeType
flagsSalNumber

Returns: SalBoolean.

Instance memberSetCursor(nResourceId, nType)

Sets a window's cursor.

ParameterTypeDescription
nResourceIdInt32
nTypeSalNumber

Returns: SalBoolean.

Instance memberSetCursor(sBlob, nType)

Sets a window's cursor from a string variable.

ParameterTypeDescription
sBlobSalString
nTypeSalNumber

Returns: SalBoolean.

Instance memberSetCursorFile(sFile, nType)

Sets an application-defined cursor for the specified window. Use this function to set the cursor from an image stored in a file.

ParameterTypeDescription
sFileSalString
nTypeSalNumber

Returns: SalBoolean.

Instance memberSetFocus()

Sets the focus to a specified window.

Returns: SalWindowHandle.

Instance memberSetFont(name, size, enhancement)

Sets a window's font, font size, and font enhancements.

ParameterTypeDescription
nameSalString
sizeSalNumber
enhancementSalNumber

Returns: SalBoolean.

Instance memberSetLocation(x, y)

Moves a window to a new position (x, y) on the X and Y axes.

ParameterTypeDescription
xSalNumber
ySalNumber

Returns: SalBoolean.

Instance memberSetProperty(name, value, length)

Sets the value of a named property.

ParameterTypeDescription
nameSalString
valueSalString
lengthSalNumber

Returns: SalBoolean.

Instance memberSetSize(width, height)

Resizes a window.

ParameterTypeDescription
widthSalNumber
heightSalNumber

Returns: SalBoolean.

Instance memberSetText(text)

Sets the text of a window.

ParameterTypeDescription
textSalString

Returns: SalBoolean.

Instance memberSetTimer(idEvent, elapseMilliSec)

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.

ParameterTypeDescription
idEventSalNumber
elapseMilliSecSalNumber

Returns: SalBoolean.

Instance memberSetWindowColor(colorIndex, color)

Sets a window's color.

ParameterTypeDescription
colorIndexSalNumber
colorSalNumber

Returns: SalBoolean.

Instance memberShowWindow()

Makes a window visible.

Returns: SalBoolean.

Instance memberTrackPopupMenu(menuName, flags, x, y)

Creates pop-up menus at runtime.

ParameterTypeDescription
menuNameSalString
flagsSalNumber
xSalNumber
ySalNumber

Returns: SalBoolean.

Instance memberTrackPopupMenu(menuType, flags, x, y)

Creates pop-up menus at runtime.

ParameterTypeDescription
menuTypeType
flagsSalNumber
xSalNumber
ySalNumber

Returns: SalBoolean.

Instance memberUpdateWindow()

Forces the update of a window.

Returns: SalBoolean.

Events

Instance memberWindowActions

WindowActionsEventHandler

Implements

NameDescription
ISalWindowAll Sal windows (Child windows, Forms, Dialogs and MDIs) implement this interface.