Mega Code Archive
Change a property in all components of a form
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procedure TForm1.SetProperties(ClassName, SomeProperty: string; Value: Integer);
var
i: integer;
PropInfo: PPropInfo;
Component: TComponent;
begin
for i := 0 to ComponentCount - 1 do
begin
Component := Components[i];
if (Component is TControl) and ((Component.ClassName = ClassName)
or (ClassName = 'AllComponents')) then
begin
PropInfo := GetPropInfo(Component.ClassInfo, SomeProperty);
if Assigned(PropInfo) then
SetOrdProp(Component, PropInfo, Integer(Value));
end;
end;
end;
// Examples, Beispiele:
procedure TForm1.Button1Click(Sender: TObject);
begin
// Make all components readonly
SetProperties('AllComponents', 'readonly', 1);
// Make all components of Class TEdit invisible
SetProperties('TEdit', 'visible', 0);
// Set the Height Property of all TLabels
SetProperties('TLabel', 'Height', 30);
// Set ShowHint to false for all components
SetProperties('AllComponents', 'ShowHint', 0);
// Disable all TMemo Components
SetProperties('TMemo', 'Enabled', 0);
// Set Autosize to true for all TLabels
SetProperties('TLabel', 'Autosize', 1);
end;
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