12、深入解析API调用中的常见问题及解决方案

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于 2025-11-01 11:43:37 发布

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分类专栏：解密Win32 API编程谜题文章标签： API调用 DrawAnimatedRects GetUserDefaultLCID

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深入解析API调用中的常见问题及解决方案

在编程过程中，API调用是一个常见且重要的环节，但往往会遇到各种问题。本文将深入探讨几个典型的API调用问题，并给出详细的解决方案。

1. DrawAnimatedRects函数问题

首先来看 DrawAnimatedRects 函数的示例代码：

' DrawAnimatedRects Example 
' Copyright © 1998 by Desaware Inc. All Rights Reserved 
Option Explicit 

Private Type RECT 
   left As Long 
   top As Long 
   width As Long 
   height As Long 
End Type 

Private Const IDANI_OPEN = 1 
Private Const IDANI_CLOSE = 2 
Private Const IDANI_CAPTION = 3 

Private Declare Function DrawAnimatedRects Lib "user32" (ByVal hwnd _ 
As Long, ByVal idAni As Long, lprcFrom As RECT, lprcTo As RECT) As Long 

   Private Sub Command1_Click() 
   Dim r1 As RECT 
   Dim r2 As RECT 
   ScaleMode = vbPixels 
   r1.left = ScaleWidth /