Why Tree and List control are called view control?

List view

List view control gives the view of an array of items or a list of items in graphical style. Items in a list view can contains different graphical icons, test attributes etc,

Here is an example of list of directories in C drive in text mode in DOS prompt.

C:\>dir /b
altera
ASL
Boostup Browser
Dev-Cpp
ESD
etc
inetpub
Intel
Office
OpenTFTPServer
PerfLogs
PHP
Program Files
Program Files (x86)
Python27
Tcl
Users
vcredist.bmp
webinstall.log
WinAVR-20100110
Windows
xampp

This directory list can be represented in list view.

Tree View

Tree controls give the hiarcical tree relationship of the items. It will have a root item at the top and one or more child items at the lower level.

Here is an example of tree of directories in C drive in text mode in DOS prompt.

Folder PATH listing
Volume serial number is 00000058 B401:FA98
C:.
|
+---altera
+---ASL
+---Boostup Browser
+---Dev-Cpp
+---ESD
+---etc
|   \---udev
|       +---CWinApp
|       |   \---CWinThread
|       |       \---CCmdTarget
|       |           \---CObject
|       \---rules.d
+---inetpub
|   +---custerr
|   |   \---en-US
|   +---history
|   +---logs
|   +---temp
|   |   +---appPools
|   |   +---ASP Compiled Templates
|   |   \---IIS Temporary Compressed Files
|   \---wwwroot
|       |   ISAPIDLL.dll
|       |   
|       \---aspnet_client
|           \---system_web
|               +---2_0_50727
|               \---4_0_30319

This directory tree can be represented in tree view.

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Further readings

Where is WinMain() function in MFC application ?

MFC hides WinMain in its framework and includes source file on WinMain(). This explains how framework calls global CWinApp::Initinstance() from entry WinMain.

What is the utility of CWinApp class?

This is constructed during global C++ objects are constructed and is already available when Windows calls the WinMain function, which is supplied by the ...

Basic steps in Win32 GUI Application with source code.

Define a custom Window class structure, Register the class name, CreateWindow, Show windows and write message get and dispatch loop statements. Define the Window CallBack procedure and write the handlers.

What is a Window CallBack procedure and what is its utility?

DispatchMessage() is a API which indirectly triggers the Window CallBack procedure. Message structure members from this function are passed to the CallBack procedure. CallBack procedure should implement event handlers depending on the need of the application.

What are LPARAM and WPARAM in window proc function?

LPARAM and WPARAM are the two parameters in Window CallBack procedure. They signifies parameters of various events. They are used in handing individual events.

What are the basic steps of a typical MFC based application?

We need to write WinMain and need to follow all these in a Win32 application. However we need not to write much if we are writing an application with MFC ...

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