TIETwainParams.GetDefaultSource

Declaration

function GetDefaultSource(): integer;

Description

Returns the default system Twain source.
The default ImageEn source has the index 0, but this should be different from the system's default source.
Result is -1 if no Twain sources exist on the system

Example

// set system default source as current ImageEn Twain source
ImageEnView1.IO.TwainParams.SelectedSource := ImageEnIO.TwainParams.GetDefaultSource;

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