CS411 Final Term Short Notes

CS411 Short Notes

1). Commands are a more robust and loosely coupled version of:

Events

2). WPF defines a number of

Built-in Commands

3). Any object can work as a command by:

Implementing icommand

4). icommand includes:

Execute CanExecute CanExecuteChanged

5). For cut, copy and paste we can define and implement three classes mplementing

icommand

6).Pre-defined Built-in Commands:

7). All instances of RoutedUiCommand implement icommand and support bubbling

8. . Custom Commands don’t get the treatment of CommandConverter.
9. . You can add KeyBinding and MouseBinding yourself.

10). Example of KeyBinding:

This. InputBinding. Add(New KeyBinding(ApplicationCommands. Help, new KesyGeasture(Key.F2))); < Windows. InputBindings> < KeyBinding Command = “Help” Key = “F2”> < KeyBinding Command = “NotaCommand” Key = “F1”> </Windows. InputBindings> This. InputBinding. Ass(New KeyBinding(ApplicationCommands. NotaCommand, new KeyGesture(Key.F1)));

11. TextBox is an example of Control with builtin command binding that responds to ctrl-z etc.
12. WPF Input Events make possible rich interactive content.

13) Application Commands:

Close Save Copy SaveAll New Stop Open Undo Cut Delete Print Find Properties Replace Save SaveAs Stop Undo

14) Component Commands:

MoveDown ScrollPageRight MoveLeft ScrollPageUp MoveRight SelectToHome SelectToEnd MoveUp ScrollByLine SelectToPageDown ScrollPageDown SelectToPageUp ScrollPageLeft

15) Media Commands:

ChannelDown ChannelUp DecreaseVolume FastForward IncreaseVolume MuteVolume NextTrack Pause Play PreviousTrack Record Rewind

1).WPF Window is a:

win32 window

2). Any Number of child windows can be made by

instantiating a window derived class and calling show

3). Child windows gets closed or minimized:

4). Window Events include:

Activated Deactivated

5).Using Window. Show() a window appears and then disappears

6). StartupUri in xaml is

< Application x:Class = “PhotoGallery. App”

StartupUri = “MainWindow.xaml”/>

7). main() is created dynamically

8). System. Environment. GetCommandLineArgs is used to get command line arguments in WPF

9). Application Level Events are:

Startup Exit Activated Deactivated SessionEnding