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Search Results for "keybd_event" in [All]

coredll

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Summary
The keybd_event function synthesizes a keystroke. The system can use such a synthesized keystroke to generate a WM_KEYUP or WM_KEYDOWN message. The keyboard driver's interrupt handler calls the keybd_event function (from msdn.microsoft.com)
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[DllImport("coredll.dll", EntryPoint="keybd_event", SetLastError=true)]

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internal static extern void keybd_event(byte bVk, byte bScan, int dwFlags, int dwExtraInfo);

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Declare Sub keybd_event Lib "coredll.dll" (ByVal bVk As Byte, ByVal bScan As Byte, ByVal dwFlags As Integer, ByVal dwExtraInfo As Integer)

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        [DllImport("coredll.dll", EntryPoint = "keybd_event", SetLastError = true)]

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        public static extern void keybd_event

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        keybd_event(01, 01, 1, 1);

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Documentation
[keybd_event] on MSDN

user32

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static extern void keybd_event(byte bVk, byte bScan, uint dwFlags,

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static extern void keybd_event(byte bVk, byte bScan, uint dwFlags,

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Private Shared Sub keybd_event(bVk As Byte, bScan As Byte, dwFlags As UInteger, dwExtraInfo As UIntPtr)

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Private Shared Sub keybd_event(bVk As Byte, bScan As Byte, dwFlags As UInteger, dwExtraInfo As Integer)

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           CharSet:=CharSet.Unicode, EntryPoint:="keybd_event", _

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Public Shared Sub keybd_event(ByVal bVk As Byte, ByVal bScan As Byte, _

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Public Declare Sub keybd_event Lib "user32" (ByVal bVk As Byte, ByVal bScan As Byte, ByVal dwFlags As Long, ByVal dwExtraInfo As Long)

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        keybd_event( keyCode, 0x45, KEYEVENTF_EXTENDEDKEY, 0 );

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        keybd_event( keyCode, 0x45, KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0 );

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     private static extern void keybd_event(byte bVk, byte bScan, uint dwFlags, int dwExtraInfo);

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         keybd_event(VK_RETURN, 0, 0, 0);

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         keybd_event(VK_RETURN, 0, KEYEVENTF_KEYUP, 0);

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     Private Shared Sub keybd_event(ByVal bVk As Byte, ByVal bScan As Byte, ByVal dwFlags As UInteger, ByVal dwExtraInfo As Integer)

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     'Public Declare Sub keybd_event Lib "user32" (ByVal bVk As Byte, ByVal bScan As Byte, ByVal dwFlags As Long, ByVal dwExtraInfo As Long)

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     keybd_event(VK_RETURN, 0, 0, 0)

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     keybd_event(VK_RETURN, 0, KEYEVENTF_KEYUP, 0)

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           CharSet:=CharSet.Unicode, EntryPoint:="keybd_event", _

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    Public Shared Sub keybd_event(ByVal bVk As Byte, ByVal bScan As Byte, _

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        keybd_event(VK_SCROLL, 0x45, 0, 0)               ' Generates a KEY_DOWN

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        keybd_event(VK_SCROLL, 0x45, KEYEVENTF_KEYUP, 0) ' Generates a KEY_UP

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Documentation
[keybd_event] on MSDN
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    keybd_event(VK_LSHIFT, 0x45, 0, 0);

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    keybd_event(VK_TAB, 0x45, 0, 0);

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    keybd_event(VK_TAB, 0x45, KEYEVENTF_KEYUP, 0);

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    keybd_event(VK_LSHIFT, 0x45, KEYEVENTF_KEYUP, 0);

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    static extern void keybd_event(byte bVk, byte bScan, uint dwFlags, UIntPtr dwExtraInfo);

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        keybd_event((byte)key, 0x45, KEYEVENTF_EXTENDEDKEY, (UIntPtr)0);

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        keybd_event((byte)key, 0x45, KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, (UIntPtr)0);

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This function does indeed return a value, just as the keybd_event API does.

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    Private Declare Sub keybd_event Lib "user32" (ByVal bVk As Byte, ByVal bScan As Byte, ByVal dwFlags As Integer, ByVal dwExtraInfo As Integer)

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        keybd_event(VK_NUMLOCK, &H45S, KEYEVENTF_EXTENDEDKEY Or 0, 0)

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        keybd_event(VK_NUMLOCK, &H45S, KEYEVENTF_EXTENDEDKEY Or KEYEVENTF_KEYUP, 0)

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        keybd_event(VK_NUMLOCK, &H45S, KEYEVENTF_EXTENDEDKEY Or 0, 0)

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        keybd_event(VK_NUMLOCK, &H45S, KEYEVENTF_EXTENDEDKEY Or KEYEVENTF_KEYUP, 0)

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        keybd_event(VK_CAPITAL, &H45S, KEYEVENTF_EXTENDEDKEY Or 0, 0)

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        keybd_event(VK_CAPITAL, &H45S, KEYEVENTF_EXTENDEDKEY Or KEYEVENTF_KEYUP, 0)

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        keybd_event(VK_CAPITAL, &H45S, KEYEVENTF_EXTENDEDKEY Or 0, 0)

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        keybd_event(VK_CAPITAL, &H45S, KEYEVENTF_EXTENDEDKEY Or KEYEVENTF_KEYUP, 0)


 
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