Function at 0x4428d0
Capabilities:
Check if file exists
Get file attributes
Set current directory

Disassembly:
push ebp
mov ebp, esp
mov eax, 0x21864
call fcn.0049bb30
cmp dword [0x4cb6b4], 4
mov eax, dword [0x4cb450]
push ebx
push esi
push edi
mov edi, ecx
mov dword [ebp - 8], eax
jl 0x442916
mov ecx, dword [ebp + 8]
push 0x4a4890
push 0
push str.The_maximum_number_of_File_Dialogs_has_been_reached.
call fcn.00430a00
lea esp, [ebp - 0x21870]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0x10
xor ecx, ecx
mov word [ebp - 0x21860], cx
mov dword [ebp - 4], ecx
test edi, edi
je 0x442a1c
cmp word [edi], cx
je 0x442a1c
mov eax, edi
lea edx, [eax + 2]
jmp 0x442940
mov cx, word [eax]
add eax, 2
test cx, cx
jne 0x442940
sub eax, edx
sar eax, 1
push 0x5c
push edi
mov ebx, eax
call fcn.0049268e
mov esi, eax
add esp, 8
test esi, esi
je 0x442969
cmp word [esi + 2], 0
je 0x4429c1
push 3
push 0x4aed8c
push edi
call fcn.00492655
add esp, 0xc
test eax, eax
jne 0x4429b1
cmp ebx, 0x28
jne 0x44298d
cmp word [edi + 0x4e], 0x7d
jne 0x44298d
test esi, esi
je 0x4429c1
push 0xfffe
lea edx, [ebp - 0x21860]
test esi, esi
jne 0x4429c5
push edi
push edx
call fcn.00493404
add esp, 0xc
xor eax, eax
mov word [ebp - 0x1864], ax
jmp 0x442a1c
push edi
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
je 0x44298d
test al, 0x10
je 0x44298d
mov eax, ebx
jmp 0x4429e1
lea ecx, [esi + 2]
push ecx
push edx
call fcn.00493404
xor eax, eax
sub esi, edi
add esp, 0xc
sar esi, 1
mov word [ebp - 0x1864], ax
mov eax, esi
lea esi, [eax + eax]
cmp word [esi + edi], 0
mov dword [ebp - 4], edi
je 0x442a1c
cmp eax, 0x8000
jae 0x442a15
lea eax, [esi + 2]
call fcn.00497ab0
mov ebx, esp
push esi
push edi
push ebx
call fcn.00498820
add esp, 0xc
xor ecx, ecx
mov dword [ebp - 4], eax
mov word [esi + ebx], cx
jmp 0x442a1c
mov dword [ebp - 4], 0
mov eax, dword [ebp + 0x10]
test eax, eax
je 0x442a49
cmp word [eax], 0
je 0x442a49
push 0x3ff
push eax
lea edx, [ebp - 0x1860]
push edx
call fcn.00493404
add esp, 0xc
xor eax, eax
mov word [ebp - 0x1062], ax
jmp 0x442a68
mov ecx, dword [0x4ccf80]
push ecx
push str.Select_File____s
mov esi, 0x400
lea edi, [ebp - 0x1860]
call fcn.00476c50
add esp, 8
mov esi, dword [ebp + 0x14]
xor eax, eax
xor edx, edx
mov word [ebp - 0x1060], dx
mov word [ebp - 0x860], ax
cmp word [esi], ax
je 0x442ae1
push 0x28
push esi
call fcn.00491671
add esp, 8
push 0x3ff
test eax, eax
je 0x442b1e
add eax, 2
push eax
lea ecx, [ebp - 0x860]
push ecx
call fcn.00493404
add esp, 0xc
lea eax, [ebp - 0x860]
xor edx, edx
push 0x29
push eax
mov word [ebp - 0x62], dx
call fcn.0049268e
add esp, 8
test eax, eax
je 0x442acf
xor ecx, ecx
mov word [eax], cx
jmp 0x442b34
xor edx, edx
mov word [ebp - 0x860], dx
xor ecx, ecx
mov word [ebp - 0x1060], cx
push 0x54
lea edx, [ebp - 0x5c]
push 0
push edx
call fcn.00499370
mov ebx, dword [0x4c7a54]
add esp, 0xc
add ebx, 0x4c
mov dword [ebp - 0x60], 0x58
call fcn.0045dfc0
test eax, eax
je 0x442b8e
mov eax, dword [0x4c7a54]
mov ecx, dword [eax + 0x4c]
mov edx, dword [ecx + 4]
mov dword [ebp - 0x5c], edx
jmp 0x442b95
lea eax, [ebp - 0x860]
push esi
push eax
call fcn.00493404
add esp, 0xc
xor ecx, ecx
mov word [ebp - 0x62], cx
cmp word [ebp - 0x860], 0
je 0x442ad8
push 0
push 0xffffffffffffffff
push 0xffffffffffffffff
push 1
push 0x4a4890
lea edx, [ebp - 0x860]
push 0x4ac78c
push edx
xor eax, eax
call fcn.004773f0
add esp, 0x1c
push 0
push 0
push 0
lea eax, [ebp - 0x860]
push eax
push 0
push esi
push str._s_c_s_cAll_Files__.__c._c
mov esi, 0x400
lea edi, [ebp - 0x1060]
call fcn.00476c50
add esp, 0x1c
jmp 0x442ae1
mov dword [ebp - 0x5c], 0
cmp word [ebp - 0x1060], 0
lea eax, [ebp - 0x1860]
mov dword [ebp - 0x30], eax
je 0x442bb3
lea ecx, [ebp - 0x1060]
mov dword [ebp - 0x54], ecx
jmp 0x442bba
mov dword [ebp - 0x54], str.All_Files__._
mov edi, dword [ebp + 0xc]
movzx esi, word [edi]
mov eax, dword [ebp - 4]
lea edx, [ebp - 0x21860]
mov dword [ebp - 0x44], edx
mov dword [ebp - 0x40], 0xfffe
mov dword [ebp - 0x34], eax
mov byte [ebp + 0x17], 0
mov byte [ebp + 0x13], 0
test esi, 0xffffff80
jne 0x442bf8
push 2
push esi
call fcn.00491aee
add esp, 8
test eax, eax
je 0x442bf8
and esi, 0xffffffdf
movzx eax, si
cmp eax, 0x4d
je 0x442c0b
cmp eax, 0x53
jne 0x442c12
mov byte [ebp + 0x17], 1
jmp 0x442c0f
mov byte [ebp + 0x13], 1
add edi, 2
mov eax, edi
call fcn.0040f370
test al, al
je 0x442c2c
push 0x10
push 0
push edi
call fcn.00491fef
add esp, 0xc
jmp 0x442c35
push edi
call fcn.00491b36
add esp, 4
mov dword [ebp - 0x2c], 0x80004
test al, 0x20
je 0x442c47
mov dword [ebp - 0x2c], 0x180004
test al, 0x10
je 0x442c4f
or dword [ebp - 0x2c], 2
test al, 8
je 0x442c5a
or dword [ebp - 0x2c], 0x2000
cmp byte [ebp + 0x13], 0
mov edi, 0x200
jne 0x442c69
test al, 4
je 0x442c6c
or dword [ebp - 0x2c], edi
test al, 2
je 0x442c77
or dword [ebp - 0x2c], 0x800
test al, 1
je 0x442c82
or dword [ebp - 0x2c], 0x1000
call fcn.0047c970
mov ecx, dword [0x4cb50c]
push 0
push 0x403
push 0x44
push ecx
mov bl, al
call dword [sym.imp.USER32.dll_PostMessageW]
inc dword [0x4cb6b4]
cmp byte [ebp + 0x17], 0
jne 0x442cc5
mov eax, dword [ebp - 0x2c]
test al, 2
je 0x442cb9
test eax, 0x2000
je 0x442cc5
lea edx, [ebp - 0x60]
push edx
call dword [sym.imp.COMDLG32.dll_GetOpenFileNameW]
jmp 0x442ccf
lea eax, [ebp - 0x60]
push eax
call dword [sym.imp.COMDLG32.dll_GetSaveFileNameW]
dec dword [0x4cb6b4]
test bl, bl
mov esi, eax
mov eax, dword [0x4c7a54]
sete cl
mov byte [eax + 0xee], bl
mov byte [eax + 0xec], cl
mov eax, dword [0x4c8b88]
test eax, eax
je 0x442d12
mov eax, dword [eax]
test eax, eax
je 0x442d12
cmp word [eax], 0
je 0x442d12
test eax, eax
jne 0x442d0b
mov eax, 0x4a4890
push eax
call dword [sym.imp.KERNEL32.dll_SetCurrentDirectoryW]
test esi, esi
jne 0x442d7b
mov ecx, dword [ebp - 8]
call fcn.004154d0
cmp eax, 1
je 0x442d34
xor eax, eax
lea esp, [ebp - 0x21870]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0x10
call dword [sym.imp.COMDLG32.dll_CommDlgExtendedError]
test eax, eax
je 0x442d56
mov edx, dword [ebp + 8]
push edx
call fcn.00433090
lea esp, [ebp - 0x21870]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0x10
mov eax, dword [0x4cbd14]
push 1
push 0
push 0xffffffffffffffff
push 0x4a7324
push eax
call fcn.00479fa0
lea esp, [ebp - 0x21870]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0x10
mov ecx, dword [0x4cbd14]
push 1
push 0
push 0xffffffffffffffff
push 0x4a4920
push ecx
call fcn.00479fa0
test dword [ebp - 0x2c], edi
je 0x442e7f
cmp byte [ebp + 0x13], 0
lea eax, [ebp - 0x21860]
je 0x442e61
lea edx, [eax + 2]
mov edi, edi
mov cx, word [eax]
add eax, 2
test cx, cx
jne 0x442db0
sub eax, edx
sar eax, 1
cmp word [ebp + eax*2 - 0x2185e], cx
jne 0x442e3b
lea edx, [ebp - 0x21860]
push 0x5c
push edx
call fcn.0049268e
mov esi, eax
add esp, 8
test esi, esi
je 0x442e7f
mov ecx, esi
lea edx, [ebp - 0x21860]
sub ecx, edx
and ecx, 0xfffffffe
mov eax, 0xa
mov word [esi], ax
cmp ecx, 4
jne 0x442e7f
cmp word [esi - 2], 0x3a
jne 0x442e7f
mov eax, esi
lea edx, [eax + 2]
mov edi, edi
mov cx, word [eax]
add eax, 2
test cx, cx
jne 0x442e10
sub eax, edx
sar eax, 1
lea eax, [eax + eax + 2]
push eax
lea ecx, [esi + 2]
push esi
push ecx
call fcn.00491310
mov edx, 0x5c
add esp, 0xc
mov word [esi], dx
jmp 0x442e7f
lea eax, [ebp - 0x21860]
cmp word [eax], 0
je 0x442e50
add eax, 2
cmp word [eax], 0
jne 0x442e47
cmp word [eax + 2], 0
je 0x442e7f
mov ecx, 0xa
mov word [eax], cx
jmp 0x442e41
cmp word [eax], 0
je 0x442e70
add eax, 2
cmp word [eax], 0
jne 0x442e67
cmp word [eax + 2], 0
mov edx, 0xa
mov word [eax], dx
jne 0x442e61
mov ecx, dword [ebp - 8]
push 1
push 0
push 0xffffffffffffffff
lea eax, [ebp - 0x21860]
push eax
push ecx
call fcn.00479fa0
lea esp, [ebp - 0x21870]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0x10