A command is a special type of message. Windows generates a command whenever user chooses a menu item, clicks a button or tells the system to do something. Windows send a WM_COMMAND message for menu choices, button clicks or WM_NOTIFY for list box selection. Commands and notifications are passed around by the operating system just like any other message until they get into the top of OnWndMsg() and MFC command routing starts.Command messages have the first parameter, the resource id of the menu item that was chosen or the button that was clicked.Command routing is a mechanism used by OnWndMsg to send commands to objects that can't receive messages. Only objects of type CWnd can receive messages but all objects that inherit from CCmdTarget including CWnd and CDocument can receive commands and notifications.How do commands and notifications get to the class though? The answer is by command routing. OnWndMsg calls CWnd::OnCommand() or CWnd::OnNotify() which in turn call OnCmdMsg() which is a virtual function, which means that different command targets have different implementations. The implementation of a frame window sends the commands to its views and documents. This is how commands get handled by m
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Selection Process
Selection is the process of choosing from a group of applicants those individuals best suited for a particular
position. Most managers recognize that employee selection is one of their most difficult, and most important,
business decisions. This process involves making a judgment -not about the applicant, but about the fit
between the applicant and the job by considering knowledge,skills and abilities and other characteristics required to perform the job Selection procedures are not carried out through standard pattern and steps in this. Process can vary from organization to organization some steps performed and considered important by one organization can be skipped by other organization.
Environmental Factors Affecting the Selection Process A permanent, standardized screening process could greatly simplify the selection process. However, development of such a process even if it were possible and desirable would not eliminate deviations to meet the unique needs of particular situation.
Legal Considerations
Legislation, executive orders, and court decisions have a major impact on human resource management. It is important for hiring managers to see the relationship between useful and legally defensible selection tools.
Speed of Decision Making
The time available to make the selection decision can have a major effect on the selection process. Closely following selection policies and procedures can provide greater protection against legal problems; however, there are times when the pressure of business will dictate that exceptions be made.
Organizational Hierarchy
Different approaches to selection are generally taken for filling positions at different levels in the organization.
Applicant Pool
The number of applicants for a particular job can also affect the selection process. The process can be truly
selective only if there are several qualified applicants for a particular position. The number of people hired for a particular job compared to the individuals in the applicant pool is often expressed as a selection ratio.
Type of Organization
The sector of the economy in which individuals are to be employed private, governmental, or not-forprofit can also affect the selection process.
Probationary Period
Many firms use a probationary period that permits evaluating an employee's ability based on performance. This may be either a substitute for certain phases of the selection process or a check on the validity of the process.
Selection Criteria
Mostly the selection of applicant depends upon the
following factors or criterions.
1. EDUCATION
2. COMPETENCIES
3. EXPERIENCE
4. SKILLS AND ABILITIES
5. PERSONAL CHARACTERISTICS
Applicant who is best fit should be hired instead of hiring a person with extra ordinary skills it means right person for right job should be hired person who is over or under qualified for the particular job will not be able to adjust in the organization.
STEPS IN THE SELECTION PROCESS
The selection process typically begins with the preliminary interview; next, candidates complete the application for employment. They progress through a series of selection tests, the employment interview, and reference and background checks. The successful applicant receives a company physical examination and is employed if the results are satisfactory. Several external and internal factors impact the selection process, and the manager must take them into account in making selection decisions. Typically selection process consists of the following steps but it is not necessary that all organization go through all these steps as per requirement of the organization some steps can be skipped while performing the selection process.
1. Initial Screening
2. Application Blank
3. Pre-employment Testing
. General Intelligence Tests
. Aptitude Tests
. Personality and Interest Tests
. Achievement Tests
. Honesty Tests
4. Interview
. Structured Interview
. Unstructured Interview
. Mixed Interview
5. Background Checks
6. Conditional job offer
7. Medical Exam/Drug Tests
8. Final Selection Decision
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when the costumer share a problem... then, unfortunately i made them smile and give the best advice to make them satisfied.
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Tuesday, March 25, 2008
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It is any routing protocol used within an autonomous system.
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