What is the maximum number of characters allowed in edit controls?

Question

Delphi

TCustomEdit has a MaxLength property in Delphi. The help reads: "Use MaxLength to limit the number of characters that can be entered into the edit control. A value of 0 indicates that there is no application-defined limit on the length." While everything is clear. And then there is a note: " Note : Even when MaxLength is 0, there may be limitations imposed by the operating system on the number of characters that may be entered into an edit control."
Here is my comment and question. How to find out what is the most "operating system limitation" in windows of different versions?

Answer 1

Edit Control Text Operations .