FormatID Constants
Indicates the file format of an image as String versions of GUIDs.
Constant/value | Description |
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FormatID for the Windows BMP format. |
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FormatID for the PNG format. |
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FormatID for the GIF format. |
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FormatID for the JPEG format. |
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FormatID for the TIFF format. |
Remarks
Use a FormatID Constants constant as the value for the FormatID parameter for the ShowAcquireImage, ShowTransfer, and Transfer methods. You can also use a FormatID Constants constant as the value of the FormatID property in a "Convert" filter to specify the format that results from the conversion.
The following example shows how to determine if the file returned from ShowAcquireImage is a JPEG file.
Dim Img 'As ImageFile
Set Img = CommonDialog1.ShowAcquireImage(UnspecifiedDeviceType, _
UnspecifiedIntent, _
MaximizeQuality, _
wiaFormatJPEG)
If Img.FormatID <> wiaFormatJPEG Then
MsgBox "Device does not support JPEG files"
End If
For additional example code, see Convert a File in Shared Samples .
Requirements
Minimum supported client |
Windows Vista [desktop apps only] |
Minimum supported server |
Windows Server 2003 R2 [desktop apps only] |
Header |
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IDL |
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