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The following constants are to be used in the DTWAIN_GetTwainNameFromConstant function. These constants determine which category of TWAIN constants to search when requesting the string version of the TWAIN name.
For example,
DTWAIN_GetTwainNameFromConstant( DTWAIN_CONSTANT_DG, DG_CONTROL, buffer, 100);
will look in the DTWAIN_CONSTANT_DG category set of constants, see if there is a DG_CONTROL integer value within that category, and if found, will return the string "DG_CONTROL" into buffer.
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Constant Type
|
Value
|
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DTWAIN_CONSTANT_TWPT
|
0
|
|
DTWAIN_CONSTANT_TWUN
|
1
|
|
DTWAIN_CONSTANT_TWCY
|
2
|
|
DTWAIN_CONSTANT_TWAL
|
3
|
|
DTWAIN_CONSTANT_TWAS
|
4
|
|
DTWAIN_CONSTANT_TWBCOR
|
5
|
|
DTWAIN_CONSTANT_TWBD
|
6
|
|
DTWAIN_CONSTANT_TWBO
|
7
|
|
DTWAIN_CONSTANT_TWBP
|
8
|
|
DTWAIN_CONSTANT_TWBR
|
9
|
|
DTWAIN_CONSTANT_TWBT
|
10
|
|
DTWAIN_CONSTANT_TWCP
|
11
|
|
DTWAIN_CONSTANT_TWCS
|
12
|
|
DTWAIN_CONSTANT_TWDE
|
13
|
|
DTWAIN_CONSTANT_TWDR
|
14
|
|
DTWAIN_CONSTANT_TWDSK
|
15
|
|
DTWAIN_CONSTANT_TWDX
|
16
|
|
DTWAIN_CONSTANT_TWFA
|
17
|
|
DTWAIN_CONSTANT_TWFE
|
18
|
|
DTWAIN_CONSTANT_TWFF
|
19
|
|
DTWAIN_CONSTANT_TWFL
|
20
|
|
DTWAIN_CONSTANT_TWFO
|
21
|
|
DTWAIN_CONSTANT_TWFP
|
22
|
|
DTWAIN_CONSTANT_TWFR
|
23
|
|
DTWAIN_CONSTANT_TWFT
|
24
|
|
DTWAIN_CONSTANT_TWFY
|
25
|
|
DTWAIN_CONSTANT_TWIA
|
26
|
|
DTWAIN_CONSTANT_TWIC
|
27
|
|
DTWAIN_CONSTANT_TWIF
|
28
|
|
DTWAIN_CONSTANT_TWIM
|
29
|
|
DTWAIN_CONSTANT_TWJC
|
30
|
|
DTWAIN_CONSTANT_TWJQ
|
31
|
|
DTWAIN_CONSTANT_TWLP
|
32
|
|
DTWAIN_CONSTANT_TWLS
|
33
|
|
DTWAIN_CONSTANT_TWMD
|
34
|
|
DTWAIN_CONSTANT_TWNF
|
35
|
|
DTWAIN_CONSTANT_TWOR
|
36
|
|
DTWAIN_CONSTANT_TWOV
|
37
|
|
DTWAIN_CONSTANT_TWPA
|
38
|
|
DTWAIN_CONSTANT_TWPC
|
39
|
|
DTWAIN_CONSTANT_TWPCH
|
40
|
|
DTWAIN_CONSTANT_TWPF
|
41
|
|
DTWAIN_CONSTANT_TWPM
|
42
|
|
DTWAIN_CONSTANT_TWPR
|
43
|
|
DTWAIN_CONSTANT_TWPF2
|
44
|
|
DTWAIN_CONSTANT_TWCT
|
45
|
|
DTWAIN_CONSTANT_TWPS
|
46
|
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DTWAIN_CONSTANT_TWSS
|
47
|
|
DTWAIN_CONSTANT_TWPH
|
48
|
|
DTWAIN_CONSTANT_TWCI
|
49
|
|
DTWAIN_CONSTANT_FONTNAME
|
50
|
|
DTWAIN_CONSTANT_TWEI
|
51
|
|
DTWAIN_CONSTANT_TWEJ
|
52
|
|
DTWAIN_CONSTANT_TWCC
|
53
|
|
DTWAIN_CONSTANT_TWQC
|
54
|
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DTWAIN_CONSTANT_TWRC
|
55
|
|
DTWAIN_CONSTANT_MSG
|
56
|
|
DTWAIN_CONSTANT_TWLG
|
57
|
|
DTWAIN_CONSTANT_DLLINFO
|
58
|
|
DTWAIN_CONSTANT_DG
|
59
|
|
DTWAIN_CONSTANT_DAT
|
60
|
|
DTWAIN_CONSTANT_DF
|
61
|
|
DTWAIN_CONSTANT_TWTY
|
62
|
|
DTWAIN_CONSTANT_TWCB
|
63
|
|
DTWAIN_CONSTANT_TWAF
|
64
|
|
DTWAIN_CONSTANT_TWFS
|
65
|
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DTWAIN_CONSTANT_TWJS
|
66
|
|
DTWAIN_CONSTANT_TWMR
|
67
|
|
DTWAIN_CONSTANT_TWDP
|
68
|
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DTWAIN_CONSTANT_TWUS
|
69
|
|
DTWAIN_CONSTANT_TWDF
|
70
|
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DTWAIN_CONSTANT_TWFM
|
71
|
|
DTWAIN_CONSTANT_TWSG
|
72
|
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DTWAIN_CONSTANT_DTWAIN_TN
|
73
|
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DTWAIN_CONSTANT_TWON
|
74
|
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DTWAIN_CONSTANT_TWMF
|
75
|
|
DTWAIN_CONSTANT_TWSX
|
76
|
|
DTWAIN_CONSTANT_CAP
|
77
|
|
DTWAIN_CONSTANT_ICAP
|
78
|
|
DTWAIN_CONSTANT_DTWAIN_CONT
|
79
|
|
DTWAIN_CONSTANT_CAPCODE_MAP
|
80
|
|
DTWAIN_CONSTANT_ACAP
|
81
|
|