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98: State:= GetKeyState(Key);
This intrinsic returns the state of the specified key. If the key is currently down, bit zero, the least significant bit is set. If the key was pressed since last time this intrinsic was called, bit one is set. For example:
State:= GetKeyState(LeftAltKey);
If State & 1 then AltKeyDown;
If State & 2 then AltWasPressed;
Note: Key values like ShiftKey and ControlKey do not return information about whether they have been pressed and released. This is because a key code like ShiftKey is not tied to one specific key, so it can correspond to either the right or left key being pressed. It you want press-release information about shift keys, you must choose a specific key such as LeftShifKey.
The Key value is specified by the constants described below.
Mouse Buttons
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LeftMouse = 1
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RightMouse = 2
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MiddleMouse = 4
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ASCII Characters
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BackSpaceKey = 8
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TabKey = 9
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ClearKey = 12
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ReturnKey = 13
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EscapeKey = 27
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SpaceKey = 32
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Num0Key=$30
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Num1Key=$31
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Num2Key=$32
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Num3Key=$33
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Num4Key=$34
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Num5Key=$35
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Num6Key=$36
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Num7Key=$37
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Num8Key=$38
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Num2Key=$38
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CharAKey=$41
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CharBKey=$42
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CharCKey=$43
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CharDKey=$44
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CharEKey=$45
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CharFKey=$46
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CharGKey=$47
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CharHKey=$48
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CharIKey=$49
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CharJKey=$4A
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CharKKey=$4B
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CharLKey=$4C
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CharMKey=$4D
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CharNKey=$4E
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CharOKey=$4F
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CharPKey=$50
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CharQKey=$51
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CharRKey=$52
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CharSKey=$53
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CharTKey=$54
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CharUKey=$55
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CharVKey=$56
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CharWKey=$57
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CharXKey=$58
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CharYKey=$59
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CharZKey=$5A
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Cursor Movement
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PageUpKey = 33
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PageDownKey = 34
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EndKey = 35
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HomeKey = 36
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LeftArrowKey = 37
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UpArrowKey = 38
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RightArrowKey = 39
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DownArrowKey = 40
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Commands
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SelectKey = 41
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PrintKey = 42
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InsertKey = 45
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DeleteKey = 46
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HelpKey = 47
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Control, Shift, Alt, etc.
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ShiftKey = 16
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ControlKey = 17
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MenuKey = 18
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PauseKey = 19
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CapLockKey = 20
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LeftshiftKey = 160
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RightShiftKey = 161
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LeftControlKey = 162
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RightControlKey = 163
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LeftAltKey = 164
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RightAltKey = 165
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NumlockKey = 144
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ScrollKey = 145
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LeftWinKey = 91
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RightWinKey = 92
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AppsKey = 93
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ControlBreakKey = 3
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Function Keys
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F1Key = 112
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F2Key = 113
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F3Key = 114
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F4Key = 115
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F5Key = 116
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F6Key = 117
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F7Key = 118
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F8Key = 119
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F9Key = 120
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F10Key = 121
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F11Key = 122
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F12Key = 123
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F13Key = 124
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F14Key = 125
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F15Key = 126
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F16Key = 127
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F17Key = 128
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F18Key = 129
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F19Key = 130
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F20Key = 131
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F21Key = 132
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F22Key = 133
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F23Key = 134
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F24Key = 135
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Numeric Key Pad
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NumPad0Key = 96
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NumPad1Key = 97
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NumPad2key = 98
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NumPad3Key = 99
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NumPad4Key = 100
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NumPad5Key = 101
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NumPad6Key = 102
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NumPad7Key = 103
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NumPad8Key = 104
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NumPad9Key = 105
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MultiplyKey = 106
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AddKey = 107
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SeparatorKey = 108
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SubtractKey = 109
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DecimalKey = 110
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DivideKey = 111
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