GetKeyState
From SCAR Divi Manual
Contents
Definition
function GetKeyState(const VKey: Byte): Boolean;
Availability
SCAR Divi 3.35 > Current
Description
Gets the state of a key asynchronously from the active client. This means that it will return true if the key was pressed since the last time you called the function.
Example
begin
repeat
Wait(500)
until GetKeyState(VK_DOWN);
WriteLn('Pressed down');
end.Implementations
IsArrowDown
function IsArrowDown(const Num: Byte): Boolean;
begin
Result := False;
case Num of
0: Result := GetKeyState(VK_UP);
1: Result := GetKeyState(VK_RIGHT);
2: Result := GetKeyState(VK_DOWN);
3: Result := GetKeyState(VK_LEFT);
end;
end;IsFKeyDown
function IsFKeyDown(const Num: Byte): Boolean;
begin
Result := False;
if (Num > 0) and (Num < 25) then
Result := GetKeyState(VK_F1 + Num - 1);
end;IsNumpadKeyDown
function IsNumpadKeyDown(const Num: Byte): Boolean;
begin
Result := False;
if (Num >= 0) and (Num =< 9) then
Result := GetKeyState(VK_NUMPAD0 + Num);
end;IsFunctionKeyDown
function IsFunctionKeyDown(const Key: Byte): Boolean;
begin
Result := False;
case Key of
0: Result := GetKeyState(VK_SHIFT);
1: Result := GetKeyState(VK_CONTROL);
2: Result := GetKeyState(VK_MENU);
3: Result := GetKeyState(VK_LSHIFT);
4: Result := GetKeyState(VK_LCONTROL);
5: Result := GetKeyState(VK_LMENU);
6: Result := GetKeyState(VK_RSHIFT);
7: Result := GetKeyState(VK_RCONTROL);
8: Result := GetKeyState(VK_RMENU);
end;
end;
