TAILIEUCHUNG - Lập trình Wrox Professional Xcode 3 cho Mac OS part 29

Ba phím tắt có sẵn hầu như trong Xcode. Các cửa sổ trợ giúp nhanh chóng được mô tả trong phần "Quick Help" một chút sau này trong chương này. Các phần tiếp theo mô tả các loại phím tắt tài liệu và làm thế nào để truy cập chúng. | Documentation Shortcuts 221 DOCUMENTATION SHORTCUTS A number of shortcuts are available for accessing the help window and for quickly looking up key terms. The global shortcuts are SHORTCUT ACTION Option Shift Command Opens the help window Control Shift Command Opens the quick help window Shift Command Activates the Help menu These three shortcuts are available almost universally in Xcode. The quick help window is described in the Quick Help section a little later in this chapter. The next few sections describe other kinds of documentation shortcuts and how to access them. Editing Shortcuts You will most likely want to consult the documentation for a particular function or method while editing code. With a symbol name selected in the text editor pane you have the following menu command and shortcuts available to you SHORTCUT ACTION Option Shift double-click Searches for symbol in documentation Option double-click Opens quick help window for symbol Control Right-click Find Text in Documentation Searches for selected text in documentation Help Find Documentation for Selected Text Same as Find Text in Documentation The two most useful shortcuts are the Option Shift double-click and Option double-click gestures. These immediately select the word symbol underneath the cursor and search for its definition in either the help window or the quick help window described in the next section . Quick Help The quick help window shown in Figure 12-14 is a miniature help window that presents a succinct summary of a single API symbol. It operates in two modes transient and persistent. FIGURE 12-14 Download at 222 CHAPTER 12 HELP AND DOCUMENTATION The quick help window has two action buttons in addition to the standard title bar resize and close controls. The button with the little book jumps to the full API documentation for that symbol in the standard help window equivalent to any of the other symbol search shortcuts mentioned in this section. If you have upgraded

• Kỹ thuật lập trình
• lập trình mac
• lập trình applescript
• xcode
• mac os
• thủ thuật lập trình