If you do the same steps but without the background worker the user interface will show as expected. The problem is when you try to doit asynchronous.
Could you help me?... I need this working
This is the log file...
Code: Select all
#GdPicture.NET.twain.client Log Start. Version: 711
RC: TWRC_SUCCESS
CC: TWCC_SUCCESS twainState: 1
-------------------
GetValidHwnd: Creating Proxy window.
RC: TWRC_SUCCESS
CC: TWCC_SUCCESS twainState: 1
-------------------
Start: OpenSourceManager.
RC: TWRC_SUCCESS
CC: TWCC_SUCCESS twainState: 1
-------------------
custom DSM library loaded: c:\windows\twain_32.dll
RC: TWRC_SUCCESS
CC: TWCC_SUCCESS twainState: 1
-------------------
Entry point of the custom DSM found.
RC: TWRC_SUCCESS
CC: TWCC_SUCCESS twainState: 1
-------------------
End: OpenSourceManager.
RC: TWRC_SUCCESS
CC: TWCC_SUCCESS twainState: 3
-------------------
Start: OpenDefaultSource.
RC: TWRC_SUCCESS
CC: TWCC_SUCCESS twainState: 3
-------------------
::DS operation. DG: DG_CONTROL - DAT: DAT_CAPABILITY - MSG: MSG_SET ->RC: TWRC_SUCCESS
-------------------
End: OpenDefaultSource.
RC: TWRC_SUCCESS
CC: TWCC_SUCCESS twainState: 4
-------------------
::DS operation. DG: DG_CONTROL - DAT: DAT_CAPABILITY - MSG: MSG_SET ->RC: TWRC_SUCCESS
-------------------
Start: Set Feeder False.
RC: TWRC_SUCCESS
CC: TWCC_SUCCESS twainState: 4
-------------------
::DS operation. DG: DG_CONTROL - DAT: DAT_CAPABILITY - MSG: MSG_SET ->RC: TWRC_FAILURE CC: TWCC_BUMMER
-------------------
End Set Feeder.
RC: TWRC_FAILURE
CC: TWCC_BUMMER twainState: 4
-------------------
Start: AcquireNative.
RC: TWRC_SUCCESS
CC: TWCC_SUCCESS twainState: 4
Source: WIA-fi-7160
Manufacturer: FUJITSU
-------------------
Start: SetXferMech.
RC: TWRC_SUCCESS
CC: TWCC_SUCCESS twainState: 4
-------------------
::DS operation. DG: DG_CONTROL - DAT: DAT_CAPABILITY - MSG: MSG_SET ->RC: TWRC_SUCCESS
-------------------
End: SetXferMech.
RC: TWRC_SUCCESS
CC: TWCC_SUCCESS twainState: 4
-------------------
AcquireNative: Retrieving current device transfer configuration - Start.
RC: TWRC_SUCCESS
CC: TWCC_SUCCESS twainState: 4
-------------------
::DS operation. DG: DG_CONTROL - DAT: DAT_CAPABILITY - MSG: MSG_GETCURRENT ->RC: TWRC_FAILURE CC: TWCC_BADCAP
-------------------
AcquireNative Info - CAP_DUPLEXENABLED is false
AcquireNative: Retrieving current device transfer configuration - End.
RC: TWRC_FAILURE
CC: TWCC_BADCAP twainState: 4
-------------------
Start: WaitForXfer.
RC: TWRC_FAILURE
CC: TWCC_BADCAP twainState: 4
-------------------
Start: EnableSource.
RC: TWRC_FAILURE
CC: TWCC_BADCAP twainState: 4
-------------------