Home › Forums › TWAIN Classic › I have Question about TW_EXTIMAGEINFO
- This topic has 3 replies, 3 voices, and was last updated 13 years, 10 months ago by kpr.
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TW_INFO[1]
InfoID == TWEI_BARCODETYPE
ItemType == TW_UINT32
NumItems == 2
CondCode == TWCC_SUCCESS
Item == TW_HANDLE-0TW_INFO[2]
InfoID == TWEI_BARCODETEXTLENGTH
ItemType == TW_UINT32
NumItems == 2
CondCode == TWCC_SUCCESS
Item == TW_HANDLE-1TW_INFO[3]
InfoID == TWEI_BARCODETEXT
ItemType == TW_HANDLE
NumItems == 2
CondCode == TWCC_SUCCESS
Item == TW_HANDLE-2How 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?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.comI 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.comhave 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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