WinAPI: DrawTextEx - 多功能文本绘制 Delphi需要把&替换成&&才可以

本文详细介绍了如何利用WinAPI中的DrawTextEx函数在Delphi应用程序中进行复杂的文本绘制,强调了在处理包含特殊字符如'&'时需要将其替换为'&&'来避免混淆的问题。

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Delphi默认使用:DT_NOPREFIX  

procedure TCanvas.TextRect(var Rect: TRect; var Text: string;
  TextFormat: TTextFormat = []);
const
  cTextFormats: array[TTextFormats] of Integer =
  (DT_BOTTOM, DT_CALCRECT, DT_CENTER, DT_EDITCONTROL, DT_END_ELLIPSIS,
   DT_PATH_ELLIPSIS, DT_EXPANDTABS, DT_EXTERNALLEADING, DT_LEFT,
   DT_MODIFYSTRING, DT_NOCLIP, DT_NOPREFIX, DT_RIGHT, DT_RTLREADING,
Creating Windows CreateMDIWindow CreateWindow CreateWindowEx RegisterClass RegisterClassEx UnregisterClass Message Processing BroadcastSystemMessage CallNextHookEx CallWindowProc DefFrameProc DefMDIChildProc DefWindowProc DispatchMessage GetMessage GetMessageExtraInfo GetMessagePos GetMessageTime GetQueueStatus InSendMessage PeekMessage PostMessage PostQuitMessage PostThreadMessage RegisterWindowMessage ReplyMessage SendMessage SendMessageCallback SendMessageTimeout SendNotifyMessage SetMessageExtraInfo SetWindowsHookEx TranslateMessage UnhookWindowsHookEx WaitMessage Window Information AnyPopup ChildWindowFromPoint ChildWindowFromPointEx EnableWindow EnumChildWindows EnumPropsEx EnumThreadWindows EnumWindows FindWindow FindWindowEx GetClassInfoEx GetClassLong GetClassName GetClientRect GetDesktopWindow GetFocus GetForegroundWindow GetNextWindow GetParent GetProp GetTopWindow GetWindow GetWindowLong GetWindowRect GetWindowText GetWindowTextLength IsChild IsIconic IsWindow IsWindowEnabled IsWindowUnicode IsWindowVisible IsZoomed RemoveProp SetActiveWindow SetClassLong SetFocus SetForegroundWindow SetParent SetProp SetWindowLong SetWindowText WindowFromPoint Processes and Threads CreateEvent CreateMutex CreateProcess CreateSemaphore CreateThread DeleteCriticalSection DuplicateHandle EnterCriticalSection ExitProcess ExitThread GetCurrentProcess GetCurrentProcessId GetCurrentThread GetCurrentThreadId GetExitCodeProcess GetExitCodeThread GetPriorityClass GetThreadPriority GetWindowThreadProcessId InitializeCriticalSection InterlockedDecrement InterlockedExchange InterlockedIncrement LeaveCriticalSection OpenEvent OpenMutex OpenProcess OpenSemaphore PulseEvent ReleaseMutex ReleaseSemaphore ResetEvent ResumeThread SetEvent SetPr
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