Pascal Scripting: RegValueExists

Inno Setup

Pascal Scripting: RegValueExists

Prototype:

function RegValueExists(const RootKey: Integer; const SubKeyName, ValueName: String): Boolean;

Description:

Returns True if the specified registry key and value exist.

Example:
begin
  if RegValueExists(HKEY_CURRENT_USER, 'Console', 'WindowSize') then
  begin
    // The value exists
  end;
end;