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LoadFromStream Method |
  
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LoadFromStream Method |
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Applies to
Declaration
function LoadFromStream(const FileExt: WideString; const Stream: IUnknown): WordBool;
Description
This method loads the contents of this object from a IStream or IWPStream. This is method is used to load image data into image objects. .NET: The stream converter Stream2WPStream must be re-created for each load and save operation!
Example:
System.IO.Stream str = new System.IO.MemoryStream();
// ... load data into "str" ... and then load it into the object
wpdllint1.Memo.CurrObj.LoadFromStream("PNG", new WPDynamic.Stream2WPStream(str));
Parameters |
FileExt |
This is the extension string to describe the data format, for example JPG, EMF or BMP. When you use this method to load data into an PDF attachment container (_SetObjType) use a specify a filename. |
Stream |
This is a reference to an IStream or IWPStream interface. |
Note: When working with a placeholder object which embeds data into a PDF file (See InputEmbeddedData) this method updates the embedded data, not the image! In this case the file may be in RTF, C# and various other formats!
Category