Title: How to get / set system colors
var
OldColor: TColor;
Element: TColor = COLOR_BTNFACE;
{....}
{
Set the color for a system element. SetSysColors function
changes the current Windows session only.
The new colors are not saved when Windows terminates.
For a list of color elements see Win32 API Help - Function GetSysColor
Open the ColorDialog - and set the new color systemwide
}
procedure TForm1.Button1Click(Sender: TObject);
begin
if ColorDialog1.Execute then
begin
SetSysColors(1, Element, ColorDialog1.Color);
end;
end;
{
Save the old color value of the element COLOR_BTNFACE to restore on Button2 click
}
procedure TForm1.FormShow(Sender: TObject);
begin
OldColor := GetSysColor(COLOR_BTNFACE);
end;
{
Restore the old color value
}
procedure TForm1.Button2Click(Sender: TObject);
begin
SetSysColors(1, Element, OldColor);
end;