Download MegaFox: 1002 Things You Wanted to Know About Extending by Marcia Akins, Andy Kramek, Rick Schummer, Steve Dingle PDF

April 4, 2017 | Software Office Software | By admin | 0 Comments

By Marcia Akins, Andy Kramek, Rick Schummer, Steve Dingle

With its local info engine, wealthy object-oriented language, and features to supply COM servers and client net providers, visible FoxPro is the only so much versatile programming software to be had to software program builders. yet in present day programming setting, not anything stands on my own. This consultant will express builders tips on how to expand the scope and gear of visible FoxPro as a improvement software via integrating it with different software program applied sciences. This much-anticipated sequel to 1001 belongings you desired to find out about VFP either expands insurance of issues akin to facts riding and reporting and introduces new themes corresponding to email, IntelliSense, charts and graphs, PDF expertise, MSDE, COM/DCOM, XML/ADO, and designing for extensibility.

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Extra info for MegaFox: 1002 Things You Wanted to Know About Extending Visual FoxPro

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Be careful to write optimized code in these methods; otherwise, you will see performance issues when activating a project. Also note that the project gets activated/deactivated quite frequently. Using the Project Manager to open any of the items that it contains deactivates the project. Closing the editor or designer reactivates the project if it is next in the window stack. Another gotcha! to be aware of when writing code in the Activate() method is displaying a message via the MESSAGEBOX() function.

This class has a style of 0-Dropdown Combo, so users can type into the textbox portion of the control to add new entries to its RowSource. In order to prevent the user from doing this, the class has a custom lAllowAddNew property that may be set to false. Consequently, when lAllowAddNew is set to false, the user can still enter a new item in the combo only to be told “Please select an item from the list”. This is user-surly behavior, to say the least. There is also the issue of controlling the cursor keys.

Figure 4. Form with nested objects. 14 MegaFox: 1002 Things You Wanted to Know About Extending Visual FoxPro Table 2. Tab order in different levels of containership. Object Form PageFrame Label1 TextBox1 Container Back Button Fwd Button Search Button Exit Button TabIndex 1 1 2 3 1 2 4 2 Applies to Form Page 1 Page 1 Page 1 Container Container Page 1 Form Unless you are extremely well organized in constructing your forms and classes, you will need to amend these default values to ensure that the final form actually behaves in the way that your users expect.

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