[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index]

Reference for unit 'Forms' (#lcl)

ShiftStateToKeys

Converts a shift state into a key state value compatible with the key state of a Windows API LParam.

Declaration

Source position: forms.pp line 1946

function ShiftStateToKeys(

ShiftState: TShiftState

ShiftState

Set type with the TShiftStateEnum values examined in the routine.

PtrUInt type with the address for the value representing the specified ShiftState enumeration values.

The return value is a PtrUInt type and contains an OR'ed combination of the following constants:

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

Version 3.2

Generated 2024-02-25