|
The following table shows C# data types that correspond to DTWAIN data types for 32-bit applications.
DTWAIN Data Type
|
C# Type
|
DTWAIN_ARRAY
|
int
|
DTWAIN_CALLBACK_PROC
|
Dynarithmic.TwainAPI.DTwainCallback
|
DTWAIN_BOOL
|
int
|
DTWAIN_FLOAT
|
double
|
DTWAIN_FRAME
|
int
|
DTWAIN_IDENTITY
|
int
|
DTWAIN_OCRENGINE
|
int
|
DTWAIN_PDFTEXTELEMENT
|
int
|
DTWAIN_RANGE
|
int
|
DTWAIN_SOURCE
|
int
|
HANDLE
|
int
|
DTWAIN_LONG (or LONG)
|
int
|
DTWAIN_LONG64
|
long
|
LPCTSTR
|
string
|
LPDTWAIN_ARRAY
|
ref int
|
LPDTWAIN_FLOAT
|
ref double
|
LPLONG
|
ref int
|
LPLONG64
|
ref long
|
LPTSTR
|
StringBuilder
|
For 64-bit applications the following table shows the C# data types that correspond to DTWAIN data types:
DTWAIN Data Type
|
C# Type
|
DTWAIN_ARRAY
|
long
|
DTWAIN_CALLBACK_PROC
|
Dynarithmic.TwainAPI.DTwainCallback
|
DTWAIN_BOOL
|
int
|
DTWAIN_FLOAT
|
double
|
DTWAIN_FRAME
|
long
|
DTWAIN_IDENTITY
|
long
|
DTWAIN_OCRENGINE
|
long
|
DTWAIN_PDFTEXTELEMENT
|
long
|
DTWAIN_RANGE
|
long
|
DTWAIN_SOURCE
|
long
|
HANDLE
|
long
|
DTWAIN_LONG (or LONG)
|
int
|
DTWAIN_LONG64
|
long
|
LPCTSTR
|
string
|
LPDTWAIN_ARRAY
|
ref long
|
LPDTWAIN_FLOAT
|
ref double
|
LPLONG
|
ref int
|
LPLONG64
|
ref long
|
LPTSTR
|
StringBuilder
|
|