如何使用PostMessage_UDF去按住某一个键？
已经知道用_senkeys去发送按键。那如果我需要实现按住某个按键，应该使用哪个函数或，还是要怎么修改PostMessage_UDF.au3里面的函数才能实现？
求大神指点~
Func _SendKeys($hWnd, $keys)
If $hWnd <= 0 Or StringLen($keys) = 0 Then
SetError(-1)
Return False
EndIf
$keys = StringUpper($keys)
$keys = StringReplace($keys, "None", Chr(0x00))
$keys = StringReplace($keys, "`", Chr(0xC0))
$keys = StringReplace($keys, "~", Chr(0xC0))
$keys = StringReplace($keys, "-", Chr(0xBD))
$keys = StringReplace($keys, "=", Chr(0xBB))
$keys = StringReplace($keys, "{BACKSPACE}", Chr(0x8))
$keys = StringReplace($keys, "{ENTER}", Chr(0xD))
$keys = StringReplace($keys, "{TAB}", Chr(0x9))
$keys = StringReplace($keys, "{ESC}", Chr(0x1B))
$keys = StringReplace($keys, "{SPACE}", Chr(0x20))
$keys = StringReplace($keys, "F1", Chr(0x70))
$keys = StringReplace($keys, "F2", Chr(0x71))
$keys = StringReplace($keys, "F3", Chr(0x72))
$keys = StringReplace($keys, "F4", Chr(0x73))
$keys = StringReplace($keys, "F5", Chr(0x74))
$keys = StringReplace($keys, "F6", Chr(0x75))
$keys = StringReplace($keys, "F7", Chr(0x76))
$keys = StringReplace($keys, "F8", Chr(0x77))
$keys = StringReplace($keys, "F9", Chr(0x78))
$keys = StringReplace($keys, "F10", Chr(0x79))
$keys = StringReplace($keys, "F11", Chr(0x7A))
$keys = StringReplace($keys, "F12", Chr(0x7B))
$keys = StringReplace($keys, "Num 0", Chr(0x60))
$keys = StringReplace($keys, "Num 1", Chr(0x61))
$keys = StringReplace($keys, "Num 2", Chr(0x62))
$keys = StringReplace($keys, "Num 3", Chr(0x63))
$keys = StringReplace($keys, "Num 4", Chr(0x64))
$keys = StringReplace($keys, "Num 5", Chr(0x65))
$keys = StringReplace($keys, "Num 6", Chr(0x66))
$keys = StringReplace($keys, "Num 7", Chr(0x67))
$keys = StringReplace($keys, "Num 8", Chr(0x68))
$keys = StringReplace($keys, "Num 9", Chr(0x69))
$keys = StringReplace($keys, "Left", Chr(0x25))
$keys = StringReplace($keys, "Up", Chr(0x26))
$keys = StringReplace($keys, "Right", Chr(0x27))
$keys = StringReplace($keys, "Down", Chr(0x28))
$keys = StringReplace($keys, "{SHIFT}", "+")
Local $i, $ret
Local $shiftdown = False
Local $user32 = DllOpen("user32.dll")
For $i = 1 To StringLen($keys)
If StringMid($keys, $i, 1) = "+" Then
DllCall($user32, "int", "PostMessage", "hwnd", $hWnd, "int", 0x100, "int", 0x10, "long", 0x002A0001)
DllCall($user32, "int", "PostMessage", "hwnd", $hWnd, "int", 0x100, "int", 0x10, "long", 0x402A0001)
$shiftdown = True
;Sleep(1)
ContinueLoop
Else
$ret = DllCall($user32, "int", "MapVirtualKey", "int", Asc(StringMid($keys, $i, 1)), "int", 0)
If IsArray($ret) Then
DllCall($user32, "int", "PostMessage", "hwnd", $hWnd, "int", 0x100, "int", Asc(StringMid($keys, $i, 1)), "long", _MakeLong(1, $ret))
;Sleep(1)
DllCall($user32, "int", "PostMessage", "hwnd", $hWnd, "int", 0x101, "int", Asc(StringMid($keys, $i, 1)), "long", _MakeLong(1, $ret) + 0xC0000000)
;Sleep(1)
EndIf
EndIf
If $shiftdown Then
DllCall($user32, "int", "PostMessage", "hwnd", $hWnd, "int", 0x101, "int", 0x10, "long", 0xC02A0001)
;Sleep(1)
$shiftdown = False
EndIf
Next
If $user32 <> -1 Then DllClose($user32)
Return True
EndFunc ;==>_SendKeys
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