L_TwainOpenTemplateFile
#include "lttwn.h"
L_LTTWN_API L_INT L_TwainOpenTemplateFile (hSession, phFile, lpszTemplateFile, uAccess)
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HTWAINSESSION hSession; |
/* handle to an existing TWAIN session */ |
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HTWAINTEMPLATEFILE * phFile; |
/* handle to an existing template file */ |
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L_TCHAR * lpszTemplateFile; |
/* pointer to a character string */ |
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L_UINT uAccess; |
/* optional flag */ |
Opens the specified template file for loading or saving data.
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Parameter |
Description |
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hSession |
Handle to an existing TWAIN session. This handle is obtained by calling the L_TwainInitSession function. |
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phFile |
Pointer to a HTWAINTEMPLATEFILE file handle. |
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lpszTemplateFile |
Character string that contains the name of the template file to open. A LEADTOOLS template files extension is .ltt. |
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uAccess |
Flag that indicates the access type for opening the file. Possible values are: |
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Value |
Meaning |
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LTWAIN_TEMPLATE_OPEN_READ |
[0] Open the template file for reading. This should be used to load data from an existing template file. |
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LTWAIN_TEMPLATE_OPEN_WRITE |
[1] Open the template file for writing. This should be used to save data to a template file. |
Returns
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SUCCESS |
The function was successful. |
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! = SUCCESS |
An error occurred. Refer to Return Codes. |
Comments
Slight rewording.
A template file can be opened for either reading or writing, but not both.
For more information on template files, refer to Handling Template Files.
When a file is opened for writing, a new file is created.
Required DLLs and Libraries
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LTTWN For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application. |
See Also
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Functions: |
L_TwainTemplateDlg, L_TwainAddCapabilityToFile, L_TwainGetCapabilityFromFile, L_TwainGetNumOfCapsInFile, L_TwainCloseTemplateFile, L_TwainInitSession, L_TwainEndSession |
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Topics: |
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Example
For an example, refer to L_TwainAddCapabilityToFile.