從位元組打開文件時出錯 'bad allocation'

Updated: 2026年4月22日

處理大型PDF文件對某些企業來說至關重要。

當使用IronPDF載入現有的PDF文件時，IronPDF會分配部分記憶體來儲存已載入的PDF。運行在32位上的應用程式每個進程的記憶體限制為2 GB。載入大於500 MB的PDF文件可能會超過此限制，導致'b裝配錯誤'异常。

异常資訊：

IronPdf.Exceptions.IronPdfNativeException: 'Error while opening document from bytes: 'bad allocation'.

IronPdf.Exceptions.IronPdfNativeException: 'Error while opening document from bytes: 'bad allocation'.

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解決方案

為了解決此問題，請將應用程式設置為在64位上運行。這允許應用程式存取更大的記憶體空間，避免'b裝配錯誤'。請按照以下步驟配置您的Visual Studio項目，以定位一個64位的平台：

// Open your project in Visual Studio
// In the Solution Explorer, right-click on your project and select 'Properties'

// Navigate to the 'Build' tab

// Select 'x64' from the 'Platform target' dropdown
<PropertyGroup>
  <PlatformTarget>x64</PlatformTarget>
</PropertyGroup>

// Save your changes and rebuild the project

// Open your project in Visual Studio
// In the Solution Explorer, right-click on your project and select 'Properties'

// Navigate to the 'Build' tab

// Select 'x64' from the 'Platform target' dropdown
<PropertyGroup>
  <PlatformTarget>x64</PlatformTarget>
</PropertyGroup>

// Save your changes and rebuild the project

' Open your project in Visual Studio
' In the Solution Explorer, right-click on your project and select 'Properties'

' Navigate to the 'Build' tab

' Select 'x64' from the 'Platform target' dropdown
(Of PropertyGroup) (Of PlatformTarget) x64</PlatformTarget> </PropertyGroup>

' Save your changes and rebuild the project

' Open your project in Visual Studio
' In the Solution Explorer, right-click on your project and select 'Properties'

' Navigate to the 'Build' tab

' Select 'x64' from the 'Platform target' dropdown
(Of PropertyGroup) (Of PlatformTarget) x64</PlatformTarget> </PropertyGroup>

' Save your changes and rebuild the project

通過將平台目標設置為x64，應用程式可以利用64位系統的擴展記憶體容量，從而防止與大型PDF文件相關的記憶體分配問題。