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I hope that this problem is not a bug of the software, and that you can find the solution.If you set the Cancel property of the Cancel Event Args object to true inside this event, it will cancel the close operation as well.Registration is fast, simple and absolutely free book is just starting to get into the code here.the author claims there is not previous knowledge needed, but at this page he is throwing code at us and not telling us where it put it. jtwl_jtwl_, Now I don't have the book you're working with but I down loaded the code to have a look at it and it appears that the event should go in its own method like this. Jason "Is the glass half full, half empty, or twice as large as it needs to be?, on the other hand, receives the character corresponding to a keyboard key.
The procedure is exactly the same as for the two previous handlers, but the validation code is different because occupation must be Programmer or an empty string to be valid. The ASCII values for the characters between 0 and 9 lie between 48 and 57, so you make sure that the character is within this range. The ASCII value 8 is the Backspace key, and for editing reasons, you allow this to slip through.
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Reid, Matthew Reynolds, Morgan Skinner, Eric White; ISBN: 9780764543821 Welcome to the p2com Forums.
Text boxes should be used when you want users to enter text that you have no knowledge of at design time (for example, the user's name).
The primary function of a text box is for users to enter text, but any characters can be entered, and it is quite possible to force users to enter numeric values only. NET Framework comes with two basic controls to take text input from users: provides the base functionality for text manipulation in a text box, such as selecting text, cutting to and pasting from the Clipboard, and a wide range of events.