TIEGlobalSettings.TwainTransferBufferSize
Declaration
property TwainTransferBufferSize: DWord;
Description
Specifies the default buffer size used to transfer images from Twain devices (in Bytes). A large buffer size can improve performance.
Set to 0 to force usage of the device's recommended value.
Default: 1048576 (One MB)
// Acquire from the first Twain device using its recommended transfer buffer
IEGlobalSettings().TwainTransferBufferSize := 0;
if ImageEnView1.IO.SetAcquireSource( ieaTwain, 0 ) then
ImageEnView1.IO.Acquire();