IFileDocument.Delete Method

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Automation:

void Delete ( [in] ulong off, [in] ulong Size) ;

Native (C++):

HRESULT Delete ( [in] unsigned __int64 off, [in] unsigned __int64 Size) ;

Parameters

offRange offsetSizeRange size

Return Value

S_OK or standard OLE error code.

Remarks

Deletes the given range from the document. Complexity: constant-time.

Examples

Deleting document's data

C++Copy Code

CComPtr<IFileDocument> pFileDocument;
if (SUCCEEDED(pFileDocument.CoCreateInstance(_T("FileDocument.FileDocument"))))
{
  if (SUCCEEDED(pFileDocument->Open(_T("c:\\temp\\file.bin"),VARIANT_FALSE)))
  {
    pFileDocument->Delete(0x50,0x2a);
    pFileDocument->Save(false);
  }
}

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