Function at 0x44b6f0
Capabilities:
Check if file exists
Get file attributes
Set current directory

Disassembly:
mov eax, 0x21a68
call fcn.004a72a0
cmp dword [0x4d8844], 4
mov eax, dword [0x4d85e0]
push ebx
push ebp
mov ebp, dword [esp + 0x21a7c]
push esi
push edi
mov edi, ecx
mov dword [esp + 0x14], eax
jl 0x44b73e
mov ecx, dword [esp + 0x21a7c]
push 0x4af9bc
push 0
push str.The_maximum_number_of_File_Dialogs_has_been_reached.
call fcn.00439e50
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x21a68
ret 0xc
xor ecx, ecx
mov word [esp + 0x1a78], cx
test edx, edx
je 0x44b890
cmp word [edx], cx
je 0x44b890
mov eax, edx
lea esi, [eax + 2]
mov edi, edi
mov cx, word [eax]
add eax, 2
test cx, cx
jne 0x44b760
sub eax, esi
sar eax, 1
cmp eax, 0x104
jb 0x44b789
push 0x104
lea eax, [esp + 0x74]
push eax
push edx
call dword [sym.imp.KERNEL32.dll_GetShortPathNameW]
jmp 0x44b7a6
push 0x103
push edx
lea ecx, [esp + 0x78]
push ecx
call fcn.0049c544
add esp, 0xc
xor edx, edx
mov word [esp + 0x276], dx
push 3
lea eax, [esp + 0x74]
push 0x4bbffc
push eax
call fcn.0049b7f5
add esp, 0xc
test eax, eax
sete bl
test bl, bl
je 0x44b80c
lea ecx, [esp + 0x70]
push 0x7d
push ecx
call fcn.00499df9
add esp, 8
test eax, eax
je 0x44b897
cmp word [eax + 2], 0
je 0x44b897
lea eax, [esp + 0x70]
lea edx, [eax + 2]
lea esp, [esp]
mov cx, word [eax]
add eax, 2
test cx, cx
jne 0x44b7f0
sub eax, edx
sar eax, 1
cmp word [esp + eax*2 + 0x6e], 0x5c
jne 0x44b820
jmp 0x44b897
lea edx, [esp + 0x70]
push edx
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
je 0x44b820
test al, 0x10
jne 0x44b897
lea eax, [esp + 0x70]
push 0x5c
push eax
call fcn.00499a42
mov esi, eax
add esp, 8
test esi, esi
je 0x44b85f
push 0xfffe
lea ecx, [esi + 2]
push ecx
lea edx, [esp + 0x1a80]
push edx
call fcn.0049c544
xor eax, eax
add esp, 0xc
xor ecx, ecx
mov word [esp + 0x21a74], ax
mov word [esi], cx
jmp 0x44b897
test bl, bl
jne 0x44b897
push 0xfffe
lea edx, [esp + 0x74]
push edx
lea eax, [esp + 0x1a80]
push eax
call fcn.0049c544
xor ecx, ecx
add esp, 0xc
xor edx, edx
mov word [esp + 0x21a74], cx
mov word [esp + 0x70], dx
jmp 0x44b897
xor eax, eax
mov word [esp + 0x70], ax
test edi, edi
je 0x44b8c3
cmp word [edi], 0
je 0x44b8c3
push 0x3ff
lea ecx, [esp + 0x127c]
push edi
push ecx
call fcn.0049c544
add esp, 0xc
xor edx, edx
mov word [esp + 0x1a76], dx
jmp 0x44b8e2
mov eax, dword [0x4da1a0]
push eax
push str.Select_File____s
mov esi, 0x400
lea edi, [esp + 0x1280]
call fcn.0047f320
add esp, 8
xor ecx, ecx
xor edx, edx
mov word [esp + 0xa78], cx
mov word [esp + 0x278], dx
cmp word [ebp], cx
je 0x44b963
push 0x28
push ebp
call fcn.00499df9
add esp, 8
push 0x3ff
test eax, eax
je 0x44b9a6
add eax, 2
push eax
lea eax, [esp + 0x280]
push eax
call fcn.0049c544
add esp, 0xc
lea edx, [esp + 0x278]
xor ecx, ecx
push 0x29
push edx
mov word [esp + 0xa7e], cx
call fcn.00499a42
add esp, 8
test eax, eax
je 0x44b94f
xor ecx, ecx
mov word [eax], cx
jmp 0x44b9c1
xor edx, edx
mov word [esp + 0x278], dx
xor ecx, ecx
mov word [esp + 0xa78], cx
push 0x54
lea edx, [esp + 0x20]
push 0
push edx
call fcn.004a3de0
mov ebx, dword [0x4d4b04]
add esp, 0xc
add ebx, 0x4c
mov dword [esp + 0x18], 0x58
call fcn.00466370
test eax, eax
je 0x44ba1f
mov eax, dword [0x4d4b04]
mov ecx, dword [eax + 0x4c]
mov edx, dword [ecx + 4]
mov dword [esp + 0x1c], edx
jmp 0x44ba27
lea eax, [esp + 0x27c]
push ebp
push eax
call fcn.0049c544
add esp, 0xc
xor ecx, ecx
mov word [esp + 0xa76], cx
cmp word [esp + 0x278], 0
je 0x44b959
push 0
push 0xffffffffffffffff
push 0xffffffffffffffff
push 1
push 0x4af9bc
lea edx, [esp + 0x28c]
push 0x4b9efc
push edx
xor eax, eax
call fcn.0047fac0
add esp, 0x1c
push 0
push 0
push 0
lea eax, [esp + 0x284]
push eax
push 0
push ebp
push str._s_c_s_cAll_Files__.__c._c
mov esi, 0x400
lea edi, [esp + 0xa94]
call fcn.0047f320
add esp, 0x1c
jmp 0x44b963
mov dword [esp + 0x1c], 0
cmp word [esp + 0xa78], 0
lea eax, [esp + 0x1278]
mov dword [esp + 0x48], eax
je 0x44ba4a
lea ecx, [esp + 0xa78]
mov dword [esp + 0x24], ecx
jmp 0x44ba52
mov dword [esp + 0x24], str.All_Files__._
movzx eax, word [esp + 0x70]
mov edi, dword [esp + 0x21a80]
movzx esi, word [edi]
neg eax
sbb eax, eax
lea ecx, [esp + 0x70]
and eax, ecx
lea edx, [esp + 0x1a78]
mov dword [esp + 0x34], edx
mov dword [esp + 0x38], 0xfffe
mov dword [esp + 0x44], eax
mov byte [esp + 0x13], 0
mov byte [esp + 0x12], 0
test esi, 0xffffff80
jne 0x44baa6
push 2
push esi
call fcn.0049adfc
add esp, 8
test eax, eax
je 0x44baa6
and esi, 0xffffffdf
movzx eax, si
cmp eax, 0x4d
je 0x44baba
cmp eax, 0x53
jne 0x44bac2
mov byte [esp + 0x13], 1
jmp 0x44babf
mov byte [esp + 0x12], 1
add edi, 2
mov eax, edi
call fcn.00403f40
test al, al
je 0x44badc
push 0x10
push 0
push edi
call fcn.0049b48d
add esp, 0xc
jmp 0x44bae5
push edi
call fcn.0049930d
add esp, 4
mov dword [esp + 0x4c], 0x80004
test al, 0x20
je 0x44baf9
mov dword [esp + 0x4c], 0x180004
test al, 0x10
je 0x44bb02
or dword [esp + 0x4c], 2
test al, 8
je 0x44bb0e
or dword [esp + 0x4c], 0x2000
cmp byte [esp + 0x12], 0
mov ebp, 0x200
jne 0x44bb1e
test al, 4
je 0x44bb22
or dword [esp + 0x4c], ebp
test al, 2
je 0x44bb2e
or dword [esp + 0x4c], 0x800
test al, 1
je 0x44bb3a
or dword [esp + 0x4c], 0x1000
call fcn.00485030
mov edx, dword [0x4d86a0]
push 0
push 0x403
push 0x44
push edx
mov bl, al
call dword [sym.imp.USER32.dll_PostMessageW]
mov edi, 1
add dword [0x4d8844], edi
cmp byte [esp + 0x13], 0
jne 0x44bb85
mov eax, dword [esp + 0x4c]
test al, 2
je 0x44bb78
test eax, 0x2000
je 0x44bb85
lea eax, [esp + 0x18]
push eax
call dword [sym.imp.COMDLG32.dll_GetOpenFileNameW]
jmp 0x44bb90
lea ecx, [esp + 0x18]
push ecx
call dword [sym.imp.COMDLG32.dll_GetSaveFileNameW]
sub dword [0x4d8844], edi
test bl, bl
mov esi, eax
mov eax, dword [0x4d4b04]
sete dl
mov byte [eax + 0xee], bl
mov byte [eax + 0xec], dl
mov eax, dword [0x4d5d24]
test eax, eax
je 0x44bbd3
mov eax, dword [eax]
test eax, eax
je 0x44bbd3
cmp word [eax], 0
je 0x44bbd3
test eax, eax
jne 0x44bbcc
mov eax, 0x4af9bc
push eax
call dword [sym.imp.KERNEL32.dll_SetCurrentDirectoryW]
test esi, esi
jne 0x44bc38
mov ecx, dword [esp + 0x14]
call fcn.0041a1d0
cmp eax, edi
je 0x44bbf3
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x21a68
ret 0xc
call dword [sym.imp.COMDLG32.dll_CommDlgExtendedError]
test eax, eax
je 0x44bc16
mov edi, dword [esp + 0x21a7c]
call fcn.0043bc00
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x21a68
ret 0xc
mov eax, dword [0x4d8ea8]
push edi
push 0
push 0xffffffffffffffff
push 0x4b356c
push eax
call fcn.004825d0
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x21a68
ret 0xc
mov ecx, dword [0x4d8ea8]
push edi
push 0
push 0xffffffffffffffff
push 0x4af9cc
push ecx
call fcn.004825d0
test dword [esp + 0x4c], ebp
je 0x44bd4e
cmp byte [esp + 0x12], 0
lea eax, [esp + 0x1a78]
je 0x44bd30
lea edx, [eax + 2]
lea ecx, [ecx]
mov cx, word [eax]
add eax, 2
test cx, cx
jne 0x44bc70
sub eax, edx
sar eax, 1
cmp word [esp + eax*2 + 0x1a7a], cx
jne 0x44bcff
lea edx, [esp + 0x1a78]
push 0x5c
push edx
call fcn.00499a42
mov esi, eax
add esp, 8
test esi, esi
je 0x44bd4e
mov ecx, esi
lea edx, [esp + 0x1a78]
sub ecx, edx
and ecx, 0xfffffffe
mov eax, 0xa
mov word [esi], ax
cmp ecx, 4
jne 0x44bd4e
cmp word [esi - 2], 0x3a
jne 0x44bd4e
mov eax, esi
lea edx, [eax + 2]
mov cx, word [eax]
add eax, 2
test cx, cx
jne 0x44bcd4
sub eax, edx
sar eax, 1
lea eax, [eax + eax + 2]
push eax
lea ecx, [esi + 2]
push esi
push ecx
call fcn.0049a200
mov edx, 0x5c
add esp, 0xc
mov word [esi], dx
jmp 0x44bd4e
lea eax, [esp + 0x1a78]
cmp word [eax], 0
je 0x44bd19
lea esp, [esp]
add eax, 2
cmp word [eax], 0
jne 0x44bd10
cmp word [eax + 2], 0
je 0x44bd4e
mov ecx, 0xa
mov word [eax], cx
jmp 0x44bd06
cmp word [eax], 0
je 0x44bd3f
add eax, 2
cmp word [eax], 0
jne 0x44bd36
cmp word [eax + 2], 0
mov edx, 0xa
mov word [eax], dx
jne 0x44bd30
mov ecx, dword [esp + 0x14]
push edi
push 0
push 0xffffffffffffffff
lea eax, [esp + 0x1a84]
push eax
push ecx
call fcn.004825d0
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x21a68
ret 0xc