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  • Overview
  • Tips and tricks
  • Replacing the caption of a menu option by the control content
  • Adding help to a menu option
  • Customizing the menu appearance
  • Making the main menu of a window invisible
  • Running code before displaying the popup menu
  • Displaying a popup menu via a left click
  • Dissociating a popup menu from a control or from a window
  • Retrieving the number of the Table row and column on which a right click is performed
  • Changing the popup menu according to the element selected in a TreeView control
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Stored procedures
Overview
This page presents some operations specific to the menus and to the menu options:
Remarks:
Versions 21 and later
Universal Windows 10 App This feature is now available in Universal Windows 10 App mode.
New in version 21
Universal Windows 10 App This feature is now available in Universal Windows 10 App mode.
Universal Windows 10 App This feature is now available in Universal Windows 10 App mode.
Tips and tricks

Replacing the caption of a menu option by the control content

All you have to do is:
  • retrieve the control content.
  • modify the caption of menu option with Libellé or with MenuLabel.
Examples:
  • The caption of "MyOption" must correspond to the value typed in "MyControl".
    MyOption.Caption = MyControl
    // Equivalent to: MenuLabel(MyOption, MyControl)
  • The caption of "MyOption" must correspond to the content of the cell belonging to "COL_MyColumn" and to the row selected by the user in the Table control named "TABLE_MyTable":
    MyOption.Caption = COL_MyColumn[TableSelect(TABLE_MyTable)]
    // Equivalent to:
    // MenuLabel(MyOption, COL_MyColumn[TableSelect(TABLE_MyTable)])

Adding help to a menu option

To explain the operating mode of each menu option, a help message can be displayed in the status bar of window when an option is highlighted.
How to do
This help message is typed in the "Help" tab of the description window of menu options ("Option description" from the popup menu). This help message can be multilingual.
Remark: This help message can be modified by programming with the Message function or with the Message property.

Customizing the menu appearance

To customize the menu appearance, all you have to do is customize the style of an option in this menu. These modifications will be automatically applied to all menu options.
You can customize:
  • the background color of a menu.
  • the font (size, color, ...) of menu options.
  • the background color of hovered option.
  • the font (size, color, ...) of the option hovered by the mouse cursor.
To customize the menu appearance:
  1. Select a menu option.
  2. Display the "Style" tab in the description window of menu options ("Option description" from the popup).
  3. To customize:
    • the background color of menu: select "Option background" in the "Element" combo box and select the background color of the option.
    • the font of menu options: select "Option text" in the "Element" combo box and select the font characteristics (attributes, size, color, ...)
    • the background color of hovered option: select "Option background (rollover)" in the "Element" combo box and select the background color of the option hovered by the mouse cursor.
Remark: The background color or the text color can be:
  • a preset color. Select this color among the ones proposed in the "Color" combo box.
  • a custom color. Define this color with the color picker ("..." button on the right of "Color" combo box).
For example:
Background color of options and text color
Special case: Menu in XP style
Only the characteristics of the font defined for the menu options will be taken into account if the menu is using the XP style. For more details, see Using the XP style in your windows.
Universal Windows 10 App You cannot customize the menu appearance.

Making the main menu of a window invisible

To make the main menu invisible, all you have to do is make all "main" options of the menu invisible.
Example: The "main" options of the following menu are "Files" and "Prints".
=Main options
Pto make Invisible this main menu, enter the following code:
// Make the "Files" and "Prints" options invisible
Files.Visible = False
Prints.Visible = False
// Equivalent to:
// MenuInvisible(Files)
// MenuInvisible(Prints)

Running code before displaying the popup menu

To run code before displaying the popup menu, simply add the optional event named "Display popup menu" into the code of the element (control or window) associated with the popup menu.
How to do it?
  1. Display the code of the element (control or window) associated with the popup menu ("Code" from the popup menu of element).
  2. Click the link "Add other events to xxx" at the bottom of the window code, after the last event.
  3. In the list of optional events, select "Displaying popup menu" and validate.
  4. In this optional event, write the code that will be run before displaying the popup menu.

Displaying a popup menu via a left click

To display a popup menu via a left click, simply simulate the action of a right click in the optional event named "Left button down" of an element (control or window).
In order for the popup menu to be displayed during a left click (and not during a right click), the element (control or window) must not be associated by default with a popup menu.
Example: The operations required to display a popup menu when left-clicking are illustrated in the following example: The contextual menu "MyMenu" is only displayed when you left-click on the edit control "SAI_MonChamp".
  1. 0
  2. Click on the link "Add more events to xxx" located at the end of the code window, after the last event.
    Din the list of optional events, select the event "Left button pressed" and validate.
  3. In this optional event, write the following code:
    // Associate the popup menu with the control
    SAI_MyField.ContextualMenu = MyMenu
    // Simulate a right click on the button to call
    // the popup menu
    SendMessage(Handle(MySelf), 516, 0, 0)
    SendMessage(Handle(MySelf), 517, 0, 0)
    // Dissociate the popup menu from the control
    SAI_MyField.ContextMenu = ""

Dissociating a popup menu from a control or from a window

To dissociate a popup menu from a control or a window, use PopupMenu and pass an empty character string ("") in parameter.
Example
// Dissociate the popup menu from the control
SAI_MyField.ContextMenu = ""
Remark: If a system popup menu is available, this popup menu will replace the custom popup menu.

Retrieving the number of the Table row and column on which a right click is performed

To retrieve the number of the Table row and column selected by a right click before displaying the popup menu, use TableInfoXY in the optional event "Right button down".
Example: The operations required to retrieve the number of the row and column selected by a right mouse click are illustrated in the following example: The popup menu "MyMenu" is associated with the Table control named "TABLE_MyTable". This menu is used to handle the content of the cell from which the popup menu is opened.
The selected cell is colored in blue before displaying the popup menu.
  1. Display the code of "TABLE_MyTable" ("Code" from the popup menu of control).
  2. Click on the link "Add more events to xxx" located at the end of the code window, after the last event.
    Din the list of optional events, select the event "Right button pressed" and validate.
  3. In this optional event, write the following code:
    // Retrieve the row and column selected via a right click
    LineNumberSelect is an integer
    NumColSelect is an integer
    NumSelectedRow = TableInfoXY(MySelf, tiLineNumber, MouseXPos(), MouseYPos())
    NumSelectedCol = TableInfoXY(MySelf, tiColNumber, MouseXPos(), MouseYPos())
    // Modify the color of the selected cell
    TABLE_MyTable [NumSelectedRow][NumSelectedCol]..BrushColor = LightBlue
WINDEV

Changing the popup menu according to the element selected in a TreeView control

To dynamically change the popup menu when selecting an element in a TreeView control, use PopupMenu. This property must be used when intercepting a right mouse click on the TreeView control (optional event "Right click").
Example: The operations required to dynamically change a popup menu when right-clicking on an element on a TreeView control are presented in the following example:
The following popup menus are associated with the "TREE_Groups" control:
  • ctxUser: used to handle the users listed in the TreeView control.
  • ctxGroup: used to handle the groups of users listed in the TreeView control.
    Each node of the TreeView control represents a group of users. Each leaf of the TreeView control represents a user.
  1. Display the code of "TREE_Groups" ("Code" from the popup menu of the control).
  2. Position your cursor in the optional event "Right click of TREE_Groups".
  3. In this event, write the following code:
    // -- Right click of TREE_Groups
    // According to the type of the element selected in the TreeView control,
    // the popup menu to display is changed
    nElementType = TreeTypeItem(TREE_Groups, TreeSelect(TREE_Groups))
     
    SWITCH nElementType
    CASE tvLeaf // It's a user
    TREE_Groups.PopupMenu = ctxUser
    CASE tvNode // It's a group of users
    TREE_Groups.PopupMenu = ctxGroup
    OTHER CASE // If an error occurs
    TREE_Groups.PopupMenu = ""
    END
Result:
First popup menu of an elementSecond popup menu of an element
See also
Minimum version required
  • Version 9
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