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Tuesday 15 November 2011

Set of All Forms Font with Delphi

| Tuesday 15 November 2011



The trick to change the font of all forms that are in a Delphi project (dpr), without changing the properties on the Form Design. The process performed at runtime, so it would be save your time in building applications.

Declaration procedure:
FormsFont procedure (const nFont: String; szFont: Integer);
var
   i: integer;
begin
   with Application do
   begin
     for i: = 0 to ComponentCount -1 do
     begin
       if Components [i] is TForm then
       begin
         with Components [i] as TForm do
         begin
           if nFont <>''then Font.Name: = nFont;
           if szFont <> 0 then Font.size: = szFont;
           Invalidate;
         end;
       end;
     end;
   end;
end;

Example of implementation:
procedure TForm1.Button1Click (Sender: TObject);
begin
   FormsFont ('Tahoma', 8);
end;

Example implementations # 2:
TForm1.FormCreate procedure (Sender: TObject);
var
   i: Integer;
begin
   ComboBox1.Items.Clear;
   for i: = 0 to Screen.Fonts.Count - 1 do
     ComboBox1.Items.Add (Screen.Fonts.Strings [i]);
   ComboBox1.ItemIndex: = ComboBox1.Items.IndexOf (Form1.Font.Name);
   UpDown1.Position: = Form1.Font.Size;
end;

procedure TForm1.Button2Click (Sender: TObject);
begin
   FormsFont (ComboBox1.Items.Strings [ComboBox1.ItemIndex], StrToInt (Edit1.Text));
end;

TForm1.FormShow procedure (Sender: TObject);
begin
   Form2.Show;
   Form3.Show;
   Form4.Show;
end;

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