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filemaker pro 11 the missing manual phần 7

dòng ngắt trang (vòng tròn) cho thấy nơi bố trí của bạn cắt bỏ khi in. Bây giờ bạn có thể điền vào bố trí của bạn bất kỳ cách nào bạn chọn, tự tin rằng nó sẽ in trên máy in của bất cứ aiMẹo: Nếu bạn thích làm việc trong các điểm ảnh và không muốn bận tâm của các đơn vị chuyển đổi, | The Data Viewer The Current tab also shows information about script variables. Instead of showing every variable the script uses as soon as the script starts the window shows a new line for each new variable as it s created. For example the first time you use the Set Variable script step to set a customerID variable customerID appears in the Data Viewer along with its type and value. The Current tab almost always shows you just what you need to see while you debug. It can be a huge timesaver pointing out everything your script is using and what it s doing with data so you don t have to run calculations in your head or scramble around different layouts. Open it early and often. The Watch Tab The second tab in the Data Viewer called Watch shows the same kind of information as the Current tab but you get to configure it yourself. Instead of magically showing the fields and variables your script is using it shows the fields and variables you tell it to show. And it can show the result of arbitrary calculation expressions as well. You can see a sample Watch list in Figure 12-8. 522 FileMaker Pro 11 The Missing Manual The Data Viewer Figure 12-8 The Data Viewer s Watch tab shows what you want to watch. You load it up with various calculation expressions and it keeps tabs on their results for you. If you want to see a field value then just put the field all by itself in the expression. Variables work the same way. But unlike the Current tab you can even put variables and complex calculations here and watch them as things change. In this window the fourth line calculates the path to the file currently in use. Switch to a different file and the path will automatically update to the current file s path. To add an item to the Watch list click the Add button it s the one with a single green plus sign. When you do FileMaker shows you the Edit Expression dialog box Figure 12-9 . This window is almost an exact copy of the Specify Calculation window except it has an extra text box