OnKeyboard
This event occurs when a key on the keyboard is pressed or released.
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JavaScript |
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OnKeyboard( Message, Char, KeyState) |
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C# |
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bool OnKeyboard ( int Message, int Char int KeyState) |
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C++ |
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HRESULT OnKeyboard ( [in] long Message, [in] long Char, [in] long KeyState, [out, retval] VARIANT_BOOL pbHandled) |
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Parameters
Message
The state of the key that is pressed:
· WM_KEYDOWN = 256
· WM_KEYUP =257
Char
The virtual key code of the given key. For a list of standard virtual key codes, see https://docs.microsoft.com/en-us/windows/desktop/inputdev/virtual-key-codes.
KeyState
Indicates whether various keys are down. This parameter can be any combination of the following values:
· LEFT_CONTROL = 2
· RIGHT_CONTROL = 4
· LEFT_SHIFT = 8
· RIGHT_SHIFT = 16
Return Value
pbHandled
A Boolean that indicates whether or not the client handled the keyboard action itself and does not wish TerraExplorer to respond to the mouse action. When the value is FALSE, TerraExplorer handles the keyboard action.