ApplicationSettings.RasterExportDataCompression property (Visio)
Determines the data compression algorithm that is applied to the exported image when you call the Export method of the Master, Page, Selection, or Shape object to export the specified object to a BMP or TIFF file. Read/write.
Syntax
expression.RasterExportDataCompression
expression An expression that returns an ApplicationSettings object.
Return value
VisRasterExportDataCompression
Remarks
The value of the RasterExportDataCompression property must be one of the following VisRasterExportDataCompression constants.
| Constant | Value | Description | Applicable File Format |
|---|---|---|---|
| visRasterNone | 0 | No compression, the default for BMP. | BMP |
| visRasterRLE | 1 | RLE compression. | BMP |
| visRasterGroup3 | 2 | Group 3 compression. | TIFF |
| visRasterPackbits | 3 | Packbits compression. | TIFF |
| visRasterGroup4 | 4 | Group 4 compression. | TIFF |
| visRasterLZW | 5 | LZW compression. | TIFF |
| visRasterModifiedHuffman | 6 | Modified Huffman compression. | TIFF |
For any given session of Microsoft Visio, when the RasterExportDataCompression property value is set, either programmatically or in the user interface, the setting then becomes the new default for the remainder of the session. However, it is not persisted to the next session.
The setting of the RasterExportDataCompression property corresponds to the Data compression setting in the BMP Output Options or TIFF Output Options dialog box. (Click the File tab, click Save As, in the Save as type list, select **Windows Bitmap (.bmp; .dib) or Tag Image File Format (*.tif), and then click Save.)
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