![Let’s Think & ImagineNeed to get input from the userCan use some buttons to read numbers & operationsCan use text-box to show operands, resultsConvert the input in text box to numbersCan use parse( ) methodStore this input in variables for making calculationsdouble fNum , sNum ; Make operations on the values stored in variablesdouble result = fNum ( Operation [+,-,*,/] ) sNum ;Show the final result to userShow it in the text-box](https://image.slidesharecdn.com/introtowindowsapp-110224145338-phpapp02/85/Intro-to-windows-app-13-320.jpg)
Intro to windows app
- 1. Let’s StartIntro To Windows Apps UsingC#Develop Simple Calculator
- 2. Out LinesPurpose of this sessionDos vs WindowsWindows applications conceptsExample (make calculator using win forms app)
- 3. PurposeWhat’s this session for ?For making a calculator using C#FalseFalse !!, for What ?!!I will tell youThis session for begin using C# to develop our first windows applicationPurposeNot to make a calculator (Simply it’s nothing)To learn how to make windows apps (I got it)
- 4. Dos vs WinDosVery poor operating systemEvery thing is textBased on commandsWindowsThe most popular operating systemMore friendly to userBased on graphical user interfaces (GUIs)Absolutely there is other differences but this what we need right now
- 5. Windows ApplicationsWindows appsIt’s applications used for windows OSGraphical user interface appsAllows a user to interact visually Buttons , text-boxes , labels , …Windows formsUsed to create the GUIs
- 6. FormsGraphical element that appears on your computer's desktopasDialogsSDI Window (single document interface)MDI Window (multiple document interface)The place where we can but GUI controls
- 7. ControlsWindows app as said before consist of Buttons , labels , text-boxes , … etc.These is called GUI controlsGUI controls are objects that can Display information on the screenEnable users to interact with an app via mouse, keyboardSome other form of input as voice commands
- 8. Common ControlsEach control has its own Properties & EventsProperty as: Background color Event as: Click
- 9. EventsEvent is “Something occur”When we click the mouse this is an eventWhen we type on the keyboard this is an eventGUIs are event driven which meanEach event, must have its own handlerHandlerMethod perform a task in response to events
- 10. Let’s StartWe will develop a calculator
- 11. What For ? What type of calculators user need? for what ?Simple, Basic calculationsAdvanced, Complex calculationsCustom, Custom type of calculationsMix All of themSimply if you made one you can make allBecause its only “idea”
- 12. Let’s ProgramWe will make the simple oneSimply because there isn’t remaining timeIt’s the root of all othersWe will use Visual Studio As IDESimply because it’s the bestWe will use C# as PLSimply because it’s the StrongestNow Let’s ProgramOkay let’s do it
- 13. Let’s Think & ImagineNeed to get input from the userCan use some buttons to read numbers & operationsCan use text-box to show operands, resultsConvert the input in text box to numbersCan use parse( ) methodStore this input in variables for making calculationsdouble fNum , sNum ; Make operations on the values stored in variablesdouble result = fNum ( Operation [+,-,*,/] ) sNum ;Show the final result to userShow it in the text-box
- 14. Let’s CodeWe should now start to codeAt this stage we will convert our thinking & imagination into real world applicationThis could be done by writing some steps based on our thinking & imagination
- 15. SummaryDos Vs WinWindows ApplicationsForms (Windows Forms)GUI ControlsEventsExample on Simple Calculator
- 16. Questions ?