The Windows API is the API function of the Windows system (Application Program Interface, which is: Application Interface Function), which is a common function of the Windows operating system to develop a development language based on Windows platform applications, these functions are generally Compare the underlying, so when you use your own functions or class libraries that you have unable to solve the problem, calling the Windows API function is often a very direct and effective solution. However, since the Windows API function is called in the program is generally complex, it is often an important sign that the Windows API function can be used for programmers.
Full text reading:
VB.NET programming Windows API
