SWP_SHOWWINDOW is a constant name, similar to a variable name.

& ampH40 is a hexadecimal value, which is equivalent to 64 in decimal.

AS LONG indicates that the data type of a constant is a long integer.

Everything else is the same.

You are talking about constants used in API functions.

SWP_SHOWWINDOW is used to display the window.

HIDEWINDOW is used to hide the window.

SWP_NOACTIVATE is used to indicate that the window is not activated.

SWP is the abbreviation of SetWindowPos.