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Reference for unit 'Forms' (#lcl)

KeyDataToShiftState

Converts modifier keys from the LParam in a keyboard message (WM_KEYUP for example) to a TShiftState value.

Declaration

Source position: forms.pp line 1944

function KeyDataToShiftState(

KeyData: PtrInt

KeyData

PtrInt value with the address for the key data examined in the routine.

Set type with the TShiftStateEnum values representing the specified KeyData.

Calls MsgKeyDataToShiftState in the lclintf.pas unit to get the TShiftState return value.

KeysToShiftState		Converts modifier keys in the LParam for a mouse message to a TShiftState value.
ShiftStateToKeys		Converts a shift state into a key state value compatible with the key state of a Windows API LParam.
MsgKeyDataToShiftState
MK_SHIFT		A key state constant to represent the shift key, equivalent to ssShift from TShiftState.
MK_CONTROL		A key state constant to represent the control key, equivalent to ssCtrl from TShiftState.
MK_LBUTTON		A key state constant to represent the left mouse button, equivalent to ssLeft from TShiftState.
MK_RBUTTON		A key state constant to represent the right mouse button, equivalent to ssRight from TShiftState.
MK_MBUTTON		A key state constant to represent the middle mouse button, equivalent to ssMiddle from TShiftState.
MK_XBUTTON1		A key state constant to represent the first extra mouse button, equivalent to ssExtra1 from TShiftState.
MK_XBUTTON2		A key state constant to represent the second extra mouse button, equivalent to ssExtra2 from TShiftState.
TShiftState

Version 3.2

Generated 2024-02-25