I have Question about TW_EXTIMAGEINFO

[AnonymousParticipant Topics - 60Replies - 107Total Posts - 167]

TW_INFO[1]
InfoID == TWEI_BARCODETYPE
ItemType == TW_UINT32
NumItems == 2
CondCode == TWCC_SUCCESS
Item == TW_HANDLE-0

TW_INFO[2]
InfoID == TWEI_BARCODETEXTLENGTH
ItemType == TW_UINT32
NumItems == 2
CondCode == TWCC_SUCCESS
Item == TW_HANDLE-1

TW_INFO[3]
InfoID == TWEI_BARCODETEXT
ItemType == TW_HANDLE
NumItems == 2
CondCode == TWCC_SUCCESS
Item == TW_HANDLE-2

How Get Item Value

((TW_UINT32*)TW_HANDLE-0)[0] TWBT_3OF9
((TW_UINT32*)TW_HANDLE-0)[1] TWBT_2OF5INTERLEAVED
((TW_UINT32*)TW_HANDLE-1)[0] 16
((TW_UINT32*)TW_HANDLE-1)[1] 32
((TW_UINT8*)TW_HANDLE-2)[0] Barcode Text 0
((TW_UINT8*)TW_HANDLE-2)[ ((TW_UINT32*)TW_HANDLE-
Barcode Text 1
red area what mean?

[gengmingxiaParticipant Topics - 0Replies - 2Total Posts - 2]

I have the same question with you , and I don’t know how to use the TW_HANDLE. As the question has posed for a long time. Do you have solved this question.
my email is gengmingxia@newbeiyang.com

[gengmingxiaParticipant Topics - 0Replies - 2Total Posts - 2]

I have the same question with you , and I don’t know how to use the TW_HANDLE. As the question has posed for a long time. Do you have solved this question.
my email is gengmingxia@newbeiyang.com

[kprParticipant Topics - 7Replies - 6Total Posts - 13]

have a look on the source code of the twain sample application from twain.org.

TwainApp.cpp

void TwainApp::updateEXIMAGEINFO()

Probably this will help you to answer your question.

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