*This
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This is a variable that refers to the current object, or form that your program is currently executing in.
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This allows you to access the currently executing forms properties and methods or run any command that requires a form variable ( SHOW , HIDE , UNLOAD , etc.) without having to ensure that a form variable is declared and set to the desired form.
** This is the equivalent of the Me keyword that is used in other languages such as Visual Basic and C#. Using This is particularly useful for passing information about the currently executing instance of a class or structure to a procedure in another class, structure or program.
Remarks
Design-time controls (DTC’s) are no longer supported.
Example
The current form is closed in the following example.
*This.Close()