HeaderSection (C++)

Description

Add a THeaderControl to the form and call HeaderControl1DrawSection for the OnDrawSection event.

Code

void __fastcall TForm1::HeaderControl1DrawSection(THeaderControl *HeaderControl,
      THeaderSection *Section, const TRect &Rect, bool Pressed)
{
  if (Pressed)
        HeaderControl->Canvas->Font->Color = clRed;
  else
        HeaderControl->Canvas->Font->Color = clBlue;
  HeaderControl->Canvas->TextOut(Rect.Left + HeaderControl->Canvas->Font->Size, Rect.Top + 2, "Custom " + IntToStr(Section->Index));
}
 
__fastcall TForm1::TForm1(TComponent* Owner)
  : TForm(Owner)
{
  THeaderSection *Section;
  for (int i = 0; i <= 4; i++)
  {
        Section = HeaderControl1->Sections->Add();
        Section->Text = "Section " + IntToStr(i);
        Section->MinWidth =
          (Section->Text).Length() *
          HeaderControl1->Font->Size;
        // Owner draw every other section
    if (i % 2 == 0)
          Section->Style = hsOwnerDraw;
    else
      Section->Style = hsText;
  }
}

Uses

• Vcl.ComCtrls.THeaderControl.OnDrawSection ( fr | de | ja )
• Vcl.ComCtrls.THeaderControl.Sections ( fr | de | ja )
• Vcl.ComCtrls.TCustomHeaderControl.Canvas ( fr | de | ja )
• Vcl.ComCtrls.THeaderSection.Style ( fr | de | ja )
• Vcl.ComCtrls.THeaderSection.Text ( fr | de | ja )
• Vcl.Graphics.TCanvas.TextOut ( fr | de | ja )
• Vcl.Graphics.TFont.Color ( fr | de | ja )