每个C++Builder必须掌握的知识.docVIP

每个学习C++BUILDER的人必须看的东西。 The TeamB guide to avoiding common mistakes in C++Builder. This article contains a list of suggestions put together by the members of TeamB for C++Builder. The suggestions will help you avoid subtle coding errors that often have disastrous effects at runtime. Most of the suggestions in the list contain a link to a paragraph of text that explains why you should follow the suggestion. Some of the suggestions are self explanatory, and these suggestions dont have a corresponding link. Note: Updated Feb 21, 2000. New items have a NEW icon. 1. AnsiString 1.1 Dont store the result of AnsiString::c_str() 1.2 Dont use the unsigned long constructor for AnsiString 1.3 Dont use the += AnsiString operator on properties 2. TList 2.1 Dont forget to delete pointers in a TList 2.2 Dont delete the void pointers in a TList 2.3 Dont overuse the TList class 3. General VCL suggestions 3.1 Dont Change the Name property of a control at runtime 3.2 Dont forget to set the Parent property of a control created at runtime 3.3 Dont set the Parent property of MDI child forms 3.4 Dont forget to call Synchronize when modifying visual controls in a background thread 3.5 Dont delete child controls after their parent is gone 3.6 Dont pass parameters by reference to property methods 3.7 Dont use the Selected property of TListBox in single selection ListBox controls 3.8 Dont try to put more than 32k of text into a TMemo on Win95/Win98 3.9 Dont use OnCreate and OnDestroy, use C++ constructors and destructors instead 3.10 Use new instead of Application-CreateForm 4. C++ Language Suggestions 4.1 Dont mix operator new[] with delete, and dont mix delete[] with new 4.2 Always set a pointer variable to NULL or 0 after deleting it 4.3 Dont use memset or ZeroMemory as constructor replacements 4.4 Dont make assumptions about the size of an enum variable Project Suggestions 5.1 Dont alter the makefile switches for alignment or enum var