SalPicture

Namespace: PPJ.Runtime.Windows

Assembly: PPJ.Web.50 (5.0.0.0)

• Control
  • PictureBox
    • SalPicture

Displays an image with SAL resource loading, image conversion, and window actions.

C#

public class SalPicture : PictureBox, ISalWindow, ISalPictureControl, ISalControl

VB.NET

Public Class SalPicture
    Inherits PictureBox
    Implements ISalWindow, ISalPictureControl, ISalControl

Example:

using PPJ.Runtime.Windows;

var picture = new SalPicture();
picture.ImageSource = "images/logo.png";

Constructors

SalPicture()

Initializes a picture with centered image placement and tab navigation disabled.

Properties

Image

Image: Gets or sets the image displayed by the control.

Assigning a different non-null image clears ImageName and the browser ImageSource. Assigning null also clears ImageSource.

ImageName

String: Gets or sets the resource name or external path of the displayed image. (Default: "")

Null is normalized to an empty string. A nonempty changed value reloads the image according to ImageStorage; an empty value clears the image.

ImageSource

String: Gets or sets a theme image name or image URL. (Default: null)

Assigning a different, nonempty source clears the assigned image and embedded-resource name.

ImageStorage

ImageStorage: Gets or sets the image-name resolution mode.

Changing the mode reloads the current ImageName using the calling assembly for resource lookup.

Label

Control: Gets or sets the label associated with this control through its containing SAL form.

NamedProperties

SalNamedProperties: Gets this window's SAL named-property collection.

Methods

BringWindowToTop()

Brings this control to the front, or activates it when it is a top-level or MDI form.

Returns: SalBoolean. True if the translated control exists and is not disposed; otherwise, false.

CenterWindow()

Centers this window within its parent, owner, or available screen area.

Returns: SalBoolean. True if the centering operation is accepted; false for an unavailable control, design mode, or unavailable screen bounds.

Clear()

Clears editable text or selection according to the control type.

Returns: SalBoolean. False for an unavailable control or a form; otherwise, true.

Text fields and labels are emptied; check boxes are unchecked; list selections are cleared. Other control types are left unchanged.

ClearCursor(nType)

Restores the default cursor for the requested role.

Parameter	Type	Description
nType	SalNumber	The cursor role: Sys.CURSOR_Window, Sys.CURSOR_DragDrop, or Sys.CURSOR_DisableDrop.

Returns: SalBoolean. True if the operation is accepted by the SAL window implementation; otherwise, false.

Only the window role changes the displayed cursor. Drag/drop roles are accepted for SAL windows without changing a cursor.

ClearImage()

Removes the image assigned to this picture-capable control.

Returns: SalBoolean. True if the translated control supports images; otherwise, false.

DestroyWindow()

Closes this window when it is a form, or disposes the control.

Returns: SalBoolean. True if the operation is accepted by the SAL window implementation; otherwise, false.

A true result reports that the close or disposal request was made; a form can apply its own closing behavior.

DisableWindow()

Disables input to this control, or clears editability for a table column.

Returns: SalBoolean. True if the operation is accepted by the SAL window implementation; otherwise, false.

DisableWindowAndLabel()

Disables input to this control and disables its associated label.

Returns: SalBoolean. True if the operation is accepted by the SAL window implementation; otherwise, false.

Dispose(disposing)

Marks this SAL window disposed before releasing the base control resources.

Parameter	Type	Description
disposing	Boolean	True to release managed resources; false for finalization cleanup.

EnableWindow()

Enables input to this control, or enables editing for a table column.

Returns: SalBoolean. True if the operation is accepted by the SAL window implementation; otherwise, false.

For text-box controls, this operation also clears the read-only setting.

EnableWindowAndLabel()

Enables input to this control and enables its associated label.

Returns: SalBoolean. True if the operation is accepted by the SAL window implementation; otherwise, false.

FindChild(sWindowName)

Searches this window for a child control by name.

Parameter	Type	Description
sWindowName	SalString	The child control name to locate.

Returns: SalWindowHandle. The matching child handle, or a null SAL handle if no child is found.

FireWindowActions(nMsg, nMywParam, nMylParam)

Invokes the SAL action dispatch pipeline for this control.

Parameter	Type	Description
nMsg	SalNumber	The SAL or application-defined message code.
nMywParam	SalNumber	The first message parameter.
nMylParam	SalNumber	The second message parameter.

Returns: SalNumber. The return value in the dispatched action's event data.

FormUnitsToPixels(nFormUnits, bVertical)

Converts a length in form units to pixels using this control's form metrics.

Parameter	Type	Description
nFormUnits	SalNumber	The length in form units.
bVertical	SalBoolean	True for a vertical measurement; false for a horizontal measurement.

Returns: SalNumber. The converted pixel length.

GetClassName()

Gets the application class name associated with this control.

Returns: SalString. The application class name, an empty string for runtime-defined classes, or a SAL null string when the control cannot be resolved.

Forms are represented by their base type; nested table-window types are resolved to their non-nested base.

GetControlType()

Gets the SAL window type of this control.

Returns: SalNumber. The SAL Sys.TYPE_* code for the translated control.

GetDataType()

Gets the SAL data type represented by this control.

Returns: SalNumber. The SAL data-type code, or zero if the translated control does not implement the SAL value contract.

GetFirstChild(nTypeMask)

Finds the first child matching a SAL window-type mask.

Parameter	Type	Description
nTypeMask	SalNumber	The SAL window types to include; zero matches no controls.

Returns: SalWindowHandle. The first matching child handle, or a null SAL handle when none matches.

Ordinary controls use tab order; table columns use their creation order, and MDI forms use their child-form collection.

GetFont(sName, nSize, nEnhancement)

Reads the control font's family, point size, and style flags.

Parameter	Type	Description
sName	SalString	Receives the font family name.
nSize	SalNumber	Receives the size in points.
nEnhancement	SalNumber	Receives the combined Sys.FONT_Enh* style flags.

Returns: SalBoolean. True if a font was available; otherwise, false.

GetImageBytes(sImageBytes, nType)

Encodes the current image as binary data and reports its image type.

Parameter	Type	Description
sImageBytes	SalString	Receives a binary SAL string, or a SAL null blob if no image is available.
nType	SalNumber	Receives the image-type code.

Returns: SalNumber. The byte count of the encoded data, or zero when no image is available.

GetImageDescription(sDesc, nMaxLen)

Copies a Gupta image-format description to the supplied variable.

Parameter	Type	Description
sDesc	SalString	Receives the description, or an empty string if no image is available.
nMaxLen	SalNumber	The maximum number of characters to copy.

Returns: SalNumber. The number of characters copied.

GetImageDescription(nMaxLen)

Gets the Gupta image-format description for the current image.

Parameter	Type	Description
nMaxLen	SalNumber	The maximum number of characters to return.

Returns: SalString. The truncated description, or an empty string if no image is available.

GetImageFromBlob(blob, imageType)

Decodes an image blob with optional legacy OLE and Gupta/Centura framing.

Parameter	Type	Description
blob	Byte[]	The image bytes, or null/empty for no image.
imageType	Int32	PIC_FormatIcon for icon decoding, PIC_FormatObject for legacy framing, or another format for normal image decoding.

Returns: Image. The decoded image, or null for missing bytes.

Invalid image content can cause decoder exceptions. Object-format decoding consumes the initial description probe before reading the remaining bytes.

GetImageString(nFormat, sPict)

Serializes the current image into a binary SAL string.

Parameter	Type	Description
nFormat	SalNumber	The requested Sys.PIC_Format* representation. Icon and bitmap values select those encodings; object format adds a Gupta description header.
sPict	SalString	Receives the encoded image and any requested object header.

Returns: SalNumber. The number of bytes written.

Object format requires an available image; other formats return an empty blob when no image is available.

GetImageString(nFormat)

Serializes the current image into a binary SAL string.

Parameter	Type	Description
nFormat	SalNumber	The requested Sys.PIC_Format* representation. Icon and bitmap values select those encodings; object format adds a Gupta description header.

Returns: SalString. The encoded image and any requested object header.

Object format requires an available image; other formats return an empty blob when no image is available.

GetLabel()

Gets the label associated with this control.

Returns: SalWindowHandle. The associated label handle, or a null SAL handle if no label can be found.

GetLabelText(sText, nMaxLength)

Copies the associated label text to a supplied variable.

Parameter	Type	Description
sText	SalString	Receives the label text when it can be read.
nMaxLength	SalNumber	The maximum number of leading characters to copy.

Returns: SalNumber. The number of characters copied, or zero if no label text is available.

GetLabelText(nMaxLength)

Gets this control's associated label text.

Parameter	Type	Description
nMaxLength	SalNumber	The maximum number of leading characters to return.

Returns: SalString. The label text limited to the requested length, or an empty string if no label exists.

GetLocation(nX, nY)

Reads this control's location in form units.

Parameter	Type	Description
nX	SalNumber	Receives the horizontal location.
nY	SalNumber	Receives the vertical location.

Returns: SalBoolean. Always true; an unresolved control produces zero coordinates.

GetName(sText)

Copies this control's name to the supplied variable.

Parameter	Type	Description
sText	SalString	Receives the control name when the operation succeeds.

Returns: SalBoolean. True if the operation is accepted by the SAL window implementation; otherwise, false.

GetName()

Gets this control's name.

Returns: SalString. The control name, or an empty string if the control cannot be resolved.

GetNextChild(nTypeMask)

Finds the next sibling matching a SAL window-type mask.

Parameter	Type	Description
nTypeMask	SalNumber	The SAL window types to include; zero matches no controls.

Returns: SalWindowHandle. The next matching control handle, or a null SAL handle when none matches.

GetParent()

Gets the SAL parent form, owner, or table container for this control.

Returns: SalWindowHandle. The parent window handle, or a null SAL handle if no parent can be resolved.

GetProperty(sName, sValue)

Reads a SAL named property into a supplied variable.

Parameter	Type	Description
sName	SalString	The property name.
sValue	SalString	Receives the value only when the property is found.

Returns: SalBoolean. True if a non-null property value was found; otherwise, false.

GetProperty(sName)

Gets the value of a SAL named property.

Parameter	Type	Description
sName	SalString	The property name.

Returns: SalString. The property value, or a SAL null string if the value is unavailable.

GetSize(nWidth, nHeight)

Reads this control's size in form units.

Parameter	Type	Description
nWidth	SalNumber	Receives the width.
nHeight	SalNumber	Receives the height.

Returns: SalBoolean. Always true; an unresolved control produces a zero size.

GetText(sText, nMaxLen)

Copies this control's displayed text or long-string value to a SAL string.

Parameter	Type	Description
sText	SalString	Receives the retrieved text.
nMaxLen	SalNumber	The maximum character count for ordinary text; ignored for a Sys.DT_LongString value.

Returns: SalNumber. The number of characters copied, or zero when no text is available.

GetText(nMaxLen)

Gets this control's displayed text or long-string value.

Parameter	Type	Description
nMaxLen	SalNumber	The maximum character count for ordinary text; ignored for a Sys.DT_LongString value.

Returns: SalString. The retrieved text, or an empty string if the control cannot be resolved.

GetWindowColor(nColorIndex)

Reads a window or cell color as a Win32 color value.

Parameter	Type	Description
nColorIndex	SalNumber	The Sys.COLOR_Index* color component to read.

Returns: SalNumber. The color encoded as a Win32 color value, or zero if the control is unavailable.

GetWindowState()

Gets the visibility and form-state classification of this window.

Returns: SalNumber. A Sys.Window_* state code; visible non-form controls report Sys.Window_Normal.

HideWindow()

Hides this control or table column.

Returns: SalBoolean. The visibility state before the operation, or false if the control cannot be resolved.

HideWindowAndLabel()

Hides this control and its associated label.

Returns: SalBoolean. The control's visibility before the operation, or false if it cannot be resolved.

InvalidateWindow()

Invalidates this control and its child controls for repainting.

Returns: SalBoolean. True if the operation is accepted by the SAL window implementation; otherwise, false.

IsDerivedFromClass(tClass)

Tests this control's runtime type against an application base type.

Parameter	Type	Description
tClass	Type	The type to test, including the framework's emulated inheritance relationships.

Returns: SalBoolean. True if the runtime type derives from the requested type; otherwise, false.

IsEnabled()

Determines whether this control accepts input.

Returns: SalBoolean. The enabled state, or the editable flag for a table column; false if the control cannot be resolved.

IsModified()

Reads this control's SAL modification flag.

Returns: SalBoolean. True if the control reports a modified value; otherwise, false.

IsVisible()

Determines whether this control is visible.

Returns: SalBoolean. The visible state, or the visibility flag for a table column; false if the control cannot be resolved.

KillTimer(nIDEvent)

Stops an existing timer owned by this control.

Parameter	Type	Description
nIDEvent	SalNumber	The identifier used when the timer was started.

Returns: SalBoolean. True if the timer was found and stopped; otherwise, false.

The timer remains registered and can be restarted by SetTimer.

MoveWindow(nXOffset, nYOffset)

Moves this control by an offset expressed in form units.

Parameter	Type	Description
nXOffset	SalNumber	The horizontal offset to add to the current position.
nYOffset	SalNumber	The vertical offset to add to the current position.

Returns: SalBoolean. True if the operation is accepted by the SAL window implementation; otherwise, false.

OnDragDrop(e)

Processes the SAL drop notification before raising the inherited event.

Parameter	Type	Description
e	DragEventArgs	The event data passed to both handlers.

OnDragEnd(e)

Ends SAL drag handling before raising the inherited drag-end event.

Parameter	Type	Description
e	EventArgs	The event data passed to both handlers.

OnDragEnter(e)

Processes the SAL drag-enter notification before raising the inherited event.

Parameter	Type	Description
e	DragEventArgs	The event data passed to both handlers.

OnDragLeave(e)

Processes the SAL drag-leave notification before raising the inherited event.

Parameter	Type	Description
e	EventArgs	The event data passed to both handlers.

OnDragOver(e)

Processes SAL drag feedback before raising the inherited drag-over event.

Parameter	Type	Description
e	DragEventArgs	The event data passed to both handlers.

OnDragStart(e)

Starts SAL drag handling before raising the inherited drag-start event.

Parameter	Type	Description
e	EventArgs	The event data passed to both handlers.

OnGotFocus(e)

Dispatches SAL focus-gained processing before raising the inherited focus event.

Parameter	Type	Description
e	EventArgs	The focus event data.

OnLostFocus(e)

Dispatches SAL focus-lost processing before raising the inherited focus event.

Parameter	Type	Description
e	EventArgs	The focus event data.

OnMouseClick(e)

Raises the inherited mouse event, then sends SAM_Click with the pointer coordinates.

Parameter	Type	Description
e	MouseEventArgs	The click event containing the control-relative pixel coordinates.

OnMouseDoubleClick(e)

Raises the inherited mouse event, then sends SAM_DoubleClick with the pointer coordinates.

Parameter	Type	Description
e	MouseEventArgs	The double-click event containing the control-relative pixel coordinates.

OnWebEvent(e)

Processes the browser event in a root SAL context, then dispatches its simulated WinSDK event.

Parameter	Type	Description
e	WisejEventArgs	The browser event to process.

OnWebRender(config)

Adds the SAL client component class to the configuration rendered by the base control.

Parameter	Type	Description
config	Object	The mutable configuration sent to the browser.

PixelsToFormUnits(nNumPixels, bVertical)

Converts a pixel length to form units using this control's form metrics.

Parameter	Type	Description
nNumPixels	SalNumber	The pixel length to convert.
bVertical	SalBoolean	True for a vertical measurement; false for a horizontal measurement.

Returns: SalNumber. The converted length in form units.

PostMessage(nMsg, nMywParam, nMylParam)

Queues a SAL window action for later dispatch on the application context.

Parameter	Type	Description
nMsg	SalNumber	The SAL or application-defined message code.
nMywParam	SalNumber	The first message parameter.
nMylParam	SalNumber	The second message parameter.

Returns: SalBoolean. True if the action was queued; false if the control is unavailable or disposed.

SendMessage(nMsg, nMywParam, nMylParam)

Dispatches a SAL window action synchronously and returns its result.

Parameter	Type	Description
nMsg	SalNumber	The SAL or application-defined message code.
nMywParam	SalNumber	The first message parameter.
nMylParam	SalNumber	The second message parameter.

Returns: SalNumber. The action's return value, or zero if the target is unavailable or disposed.

SendMessageToChildren(nMsg, nMywParam, nMylParam)

Dispatches a SAL message to this control's children.

Parameter	Type	Description
nMsg	SalNumber	The SAL or application-defined message code.
nMywParam	SalNumber	The first message parameter.
nMylParam	SalNumber	The second message parameter.

Returns: SalBoolean. The result of child-message dispatch; false if the parent is unavailable or disposed.

SetContextMenu(sMenuName, nFlags)

Creates and assigns a context menu for this control.

Parameter	Type	Description
sMenuName	SalString	The name used to resolve the menu type.
nFlags	SalNumber	Use Sys.CM_TableCell to target the associated table column; other values target the control.

Returns: SalBoolean. True if the menu was created; false if the control or menu type is unavailable or menu creation fails.

SetContextMenu(menuType, nFlags)

Creates and assigns a context menu for this control.

Parameter	Type	Description
menuType	Type	The type of the menu to create.
nFlags	SalNumber	Use Sys.CM_TableCell to target the associated table column; other values target the control.

Returns: SalBoolean. True if the menu was created; false if the control or menu type is unavailable or menu creation fails.

SetCursor(nResourceId, nType)

Assigns a predefined cursor to the requested role.

Parameter	Type	Description
nResourceId	Int32	A supported Sys.CURSOR_* cursor identifier.
nType	SalNumber	The cursor role: Sys.CURSOR_Window, Sys.CURSOR_DragDrop, or Sys.CURSOR_DisableDrop.

Returns: SalBoolean. True if the operation is accepted by the SAL window implementation; otherwise, false.

Only the window role changes the displayed cursor. Drag/drop roles are accepted for SAL windows without changing a cursor.

SetCursor(sBlob, nType)

Requests a cursor from binary data; this web implementation does not support binary cursor loading.

Parameter	Type	Description
sBlob	SalString	The binary cursor data.
nType	SalNumber	The cursor role: Sys.CURSOR_Window, Sys.CURSOR_DragDrop, or Sys.CURSOR_DisableDrop.

Returns: SalBoolean. Always false.

SetCursorFile(sFile, nType)

Loads a cursor from a file and assigns it to the requested role.

Parameter	Type	Description
sFile	SalString	The cursor file path.
nType	SalNumber	The cursor role: Sys.CURSOR_Window, Sys.CURSOR_DragDrop, or Sys.CURSOR_DisableDrop.

Returns: SalBoolean. True if loading and assignment succeed; otherwise, false.

Only the window role changes the displayed cursor. Drag/drop roles are accepted for SAL windows without changing a cursor.

SetFocus()

Requests keyboard focus for this control.

Returns: SalWindowHandle. The previously focused control's handle, or a null SAL handle when no previous control exists or this target is ineligible.

Hidden or disabled controls and table columns are ineligible.

SetFont(sName, nSize, nEnhancement)

Creates and assigns a font to this control.

Parameter	Type	Description
sName	SalString	The font family name.
nSize	SalNumber	The font size in points.
nEnhancement	SalNumber	The combined Sys.FONT_Enh* style flags.

Returns: SalBoolean. True if the font was created and assigned; otherwise, false.

SetImageBytes(sImageBytes, nType)

Decodes binary image data and assigns the resulting image.

Parameter	Type	Description
sImageBytes	SalString	The encoded image buffer.
nType	SalNumber	The SAL image-format code supplied to the decoder.

Returns: SalBoolean. True if the translated control supports images; otherwise, false.

SetImageFile(sFileName)

Loads and assigns an image from a file.

Parameter	Type	Description
sFileName	SalString	The file path, or an empty value to clear the image.

Returns: SalBoolean. True if assignment succeeds; false if the target does not support images or a file I/O error occurs.

Files ending in .ico are decoded as icons; other files use the bitmap image-loading path.

SetImageFit(nFit, nScaleWidth, nScaleHeight)

Deprecated: SetImageFit(nFit, nScaleWidth, nScaleHeight) is deprecated, use SetImageFit(nFit) Applies the SAL image-fitting mode through the obsolete compatibility overload.

Parameter	Type	Description
nFit	SalNumber	The requested PIC_Fit* mode.
nScaleWidth	SalNumber	Retained for compatibility; ignored.
nScaleHeight	SalNumber	Retained for compatibility; ignored.

Returns: SalBoolean. The result of the shared image-fit operation.

SetImageFit(nFit)

Applies the SAL image-fitting mode to this picture control.

Parameter	Type	Description
nFit	SalNumber	The requested PIC_Fit* mode.

Returns: SalBoolean. The result of the shared image-fit operation.

SetImageHandle(nType, nHandle)

Assigns an image loaded from a native icon or bitmap handle.

Parameter	Type	Description
nType	SalNumber	Use Sys.PIC_FormatIcon for an icon handle; other values use the bitmap-handle path.
nHandle	SalNumber	The native handle, or zero to clear the image.

Returns: SalBoolean. True if the translated control supports images; otherwise, false.

SetImageResource(tResource, nFormat)

Loads and assigns an image from a SAL resource.

Parameter	Type	Description
tResource	SalResource	The resource whose image is assigned.
nFormat	SalNumber	Retained for SAL compatibility; the resource determines the image representation.

Returns: SalBoolean. True if the translated control supports images; otherwise, false.

SetImageString(nFormat, sPicture)

Decodes a binary SAL string and assigns the resulting image.

Parameter	Type	Description
nFormat	SalNumber	The SAL image-format code supplied to the decoder.
sPicture	SalString	The encoded image buffer.

Returns: SalBoolean. True if the translated control supports images; otherwise, false.

SetLabelText(sText)

Assigns the text of this control's associated label.

Parameter	Type	Description
sText	SalString	The label text to display.

Returns: SalBoolean. True if an associated label was found and updated; otherwise, false.

SetLocation(nX, nY)

Sets this control's location in form units.

Parameter	Type	Description
nX	SalNumber	The new horizontal coordinate.
nY	SalNumber	The new vertical coordinate.

Returns: SalBoolean. True if the operation is accepted by the SAL window implementation; otherwise, false.

For forms, this also selects manual startup positioning.

SetModified(bSet)

Sets this control's SAL modification flag.

Parameter	Type	Description
bSet	SalBoolean	True to mark the value modified; false to clear the flag.

Returns: SalBoolean. True if the translated control supports SAL values; otherwise, false.

For editable SAL controls, this also clears the validation flag.

SetProperty(sName, sValue, nLength)

Assigns a SAL named property after limiting the value's length.

Parameter	Type	Description
sName	SalString	The property name.
sValue	SalString	The value to assign.
nLength	SalNumber	The number of leading characters to retain.

Returns: SalBoolean. True if the translated control implements the SAL window contract; otherwise, false.

SetSize(nWidth, nHeight)

Sets this control's dimensions in form units.

Parameter	Type	Description
nWidth	SalNumber	The new width.
nHeight	SalNumber	The new height.

Returns: SalBoolean. True if the operation is accepted by the SAL window implementation; otherwise, false.

SetText(sText)

Assigns the control's text.

Parameter	Type	Description
sText	SalString	The text to display.

Returns: SalBoolean. True if the operation is accepted by the SAL window implementation; otherwise, false.

SetTimer(nIDEvent, nElapseMilliSec)

Starts or restarts a timer that sends SAL timer actions to this control.

Parameter	Type	Description
nIDEvent	SalNumber	The timer identifier sent in the first parameter of each Sys.SAM_Timer action.
nElapseMilliSec	SalNumber	The interval between ticks, in milliseconds.

Returns: SalBoolean. True if the operation is accepted by the SAL window implementation; otherwise, false.

SetWindowColor(nColorIndex, nColor)

Assigns a window or table-cell color.

Parameter	Type	Description
nColorIndex	SalNumber	The Sys.COLOR_Index* component to change.
nColor	SalNumber	The SAL color value to translate and assign.

Returns: SalBoolean. True for a supported color index and resolved control; otherwise, false.

Cell colors apply only to table columns. Window colors on table windows also update their grid styles.

ShowWindow()

Shows this control or table column.

Returns: SalBoolean. The visibility state before the operation, or false if the control cannot be resolved.

ShowWindowAndLabel()

Shows this control and its associated label.

Returns: SalBoolean. The control's visibility before the operation, or false if it cannot be resolved.

TrackPopupMenu(sMenuName, nFlags, nX, nY, callback)

Creates and displays a popup menu, disposing it after it closes.

Parameter	Type	Description
sMenuName	SalString	The name used to resolve the menu type.
nFlags	SalNumber	Popup flags controlling right alignment and use of the current cursor coordinates. Center alignment and context-menu flags are not supported.
nX	SalNumber	The horizontal screen coordinate in pixels, unless the cursor-X flag is set.
nY	SalNumber	The vertical screen coordinate in pixels, unless the cursor-Y flag is set.
callback	Action<ContextMenu>	An optional callback invoked when the menu closes, before it is disposed.

Returns: SalBoolean. True if the menu was created and shown; otherwise, false.

TrackPopupMenu(menuType, nFlags, nX, nY, callback)

Creates and displays a popup menu, disposing it after it closes.

Parameter	Type	Description
menuType	Type	The menu type to instantiate.
nFlags	SalNumber	Popup flags controlling right alignment and use of the current cursor coordinates. Center alignment and context-menu flags are not supported.
nX	SalNumber	The horizontal screen coordinate in pixels, unless the cursor-X flag is set.
nY	SalNumber	The vertical screen coordinate in pixels, unless the cursor-Y flag is set.
callback	Action<ContextMenu>	An optional callback invoked when the menu closes, before it is disposed.

Returns: SalBoolean. True if the menu was created and shown; otherwise, false.

UpdateWindow()

Requests an update of this control.

Returns: SalBoolean. True if the operation is accepted by the SAL window implementation; otherwise, false.

Events

WindowActions

WindowActionsEventHandler Occurs when the control receives a SAL or application-defined window action.

Implements

Name	Description
ISalControl	Exposes a SAL control's data type, value, and modification state.
ISalPictureControl	Exposes the image displayed by a SAL picture-capable control.
ISalWindow	Provides SAL window actions, named properties, and access to a window's runtime implementation.