Gambas Documentation
Application Repository
Code Snippets
Compilation & Installation from source code
Components
gb
gb.args
gb.cairo
gb.chart
gb.clipper
gb.complex
gb.compress
gb.crypt
gb.data
gb.db
gb.db.form
gb.db.mysql
gb.db.odbc
gb.db.postgresql
gb.db.sqlite2
gb.db.sqlite3
gb.db2
gb.dbus
gb.dbus.trayicon
gb.debug
gb.desktop
gb.desktop.gnome.keyring
gb.desktop.x11
gb.eval
gb.eval.highlight
gb.form
gb.form.dialog
gb.form.editor
gb.form.htmlview
gb.form.mdi
gb.form.print
gb.form.stock
gb.form.terminal
gb.gmp
gb.gsl
gb.gtk
gb.gtk.opengl
gb.gtk3
gb.gtk3.opengl
gb.gtk3.webview
gb.gui
gb.gui.opengl
gb.gui.qt
gb.gui.qt.ext
gb.gui.qt.opengl
gb.gui.qt.webkit
gb.gui.trayicon
gb.gui.webview
gb.hash
gb.highlight
gb.image
gb.image.effect
gb.image.imlib
gb.image.io
gb.inotify
gb.jit
gb.libxml
gb.logging
gb.map
gb.markdown
gb.media
gb.media.form
gb.memcached
gb.mime
gb.mongodb
gb.mysql
gb.ncurses
gb.net
gb.net.curl
gb.net.pop3
gb.net.smtp
gb.openal
gb.opengl
gb.opengl.glsl
gb.opengl.glu
gb.opengl.sge
gb.openssl
gb.option
gb.pcre
gb.pdf
gb.poppler
gb.qt4
.combobox.item
.container.children
.Menu.Children
.TabStripContainer
.TabStripContainer.Children
.TextArea.Selection
.TextBox.Selection
.Window.Controls
.Window.Menus
_ColumnView_Columns
_ComboBox_Item
_ComboBox_Selection
_Draw_Clip
_Draw_Style
_GridView_Cell
_GridView_Column
_GridView_Columns
_GridView_Data
_GridView_Row
_GridView_Rows
_Gui
_IconView_Item
_ListBox_Item
_split
_TreeView
_TreeView_Item
Action
Align
Animation
Application
Arrange
Border
Button
CheckBox
Clipboard
Color
ColumnView
ComboBox
Container
ContainerChildren
Control
Cursor
Desktop
Dialog
Direction
Drag
Draw
DrawingArea
embedder
Fill
Font
Fonts
Form
Frame
GridView
HBox
HPanel
HSplit
IconView
Image
Key
Label
Line
ListBox
ListView
Menu
Message
Mouse
MovieBox
Paint
PaintBrush
PaintExtents
PaintMatrix
Panel
Picture
PictureBox
Point
Pointer
PointF
Printer
ProgressBar
RadioButton
Rect
RectF
Screen
Screens
Scroll
ScrollArea
ScrollBar
ScrollView
Select
Separator
Slider
SpinBox
Splitter
Spring
Style
SvgImage
TabStrip
TextArea
TextBox
TextLabel
ToggleButton
ToolButton
trayicon
trayicons
TreeView
UserContainer
UserControl
VBox
VPanel
VSplit
Watcher
_new
Control
Hide
Move
Resize
Show
Window
Windows
gb.qt4.ext
gb.qt4.opengl
gb.qt4.webkit
gb.qt4.webview
gb.qt5
gb.qt5.ext
gb.qt5.opengl
gb.qt5.webkit
gb.qt5.webview
gb.qt6
gb.qt6.ext
gb.qt6.opengl
gb.qt6.webview
gb.report
gb.report2
gb.scanner
gb.sdl
gb.sdl.sound
gb.sdl2
gb.sdl2.audio
gb.settings
gb.signal
gb.term
gb.test
gb.util
gb.util.web
gb.v4l
gb.vb
gb.web
gb.web.feed
gb.web.form
gb.web.gui
gb.xml
gb.xml.html
gb.xml.rpc
gb.xml.xslt
Controls pictures
Deprecated components
Developer Documentation
Development Environment Documentation
Documents
Error Messages
Gambas Playground
How To's
Language Index
Language Overviews
Last Changes
Lexicon
README
Search the wiki
To Do
Topics
Tutorials
Wiki License
Wiki Manual

Watcher (gb.qt4)

This class implements an object that can watch any control and raise some events when something happens on it.

This class is especially useful to know when a UserControl or UserContainer is moved, resized, shown or hidden.

This class is creatable.

Properties
Control   Returns the watched control.

Events
Hide   Raised when the watched control is hidden.
Move   Raised when the watched control is moved.
Resize   Raised when the watched control is resized.
Show   Raised when the watched control is shown.