APPLICATIONDATA

typedef struct _APPLICATIONDATA 
{ 
   L_UINT uStructSize; 
   HWND hWnd; 
   L_TCHAR szManufacturerName [34]; 
   L_TCHAR szAppProductFamily[34]; 
   L_TCHAR szVersionInfo [34]; 
   L_TCHAR szAppName [34]; 
   L_UINT16 uLanguage; 
   L_UINT16 uCountry; 
} APPLICATIONDATA,  * pAPPLICATIONDATA; 

The APPLICATIONDATA structure provides information about an application data.

Member

Description

uStructSize

Size of this structure in bytes, for versioning. Use the sizeof() macro to calculate this value.

hWnd

Handle to the parent window to be used with the TWAIN initialization process. This must be a valid window handle (may not be set to NULL).

szManufacturerName

Character string that contains the manufacturer's name (optional).

szAppProductFamily

Character string that contains the application product family (optional).

szVersionInfo

Character string that contains the version info (optional).

szAppName

Character string that contains the application name (optional).

uLanguage

The primary language for your Source or application. Use the constants for the CAP_LANGUAGE capability found in the Twain Specification.  i.e. TWLG_ENGLISH_USA, TWLG_GERMAN, etc.  See www.twain.org for a link to the Twain Specification.

uCountry

The primary country where your Source or application is intended to be distributed. i.e. TWCY_USA, TWCY_GERMANY, etc.  For a list of possible values, see "Data Types and Data Structures" section under "Constants" in the Twain Specification.

Comments

pAPPLICATIONDATA is a pointer to a APPLICATIONDATA structure. Where the function parameter type is pAPPLICATIONDATA, you can declare an APPLICATIONDATA variable, update the structure's fields, and pass the variable's address in the parameter. Declaring a pAPPLICATIONDATA variable is necessary only if your program requires a pointer.

APPLICATIONDATA is used with the L_TwainInitSession and L_TwainInitSession2 functions.

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