C++ Builder XE 窗体置顶、置底设置

源码下载地址：https://download.csdn.net/download/lzksword/87646065 

//---------------------------------------------------------------------------
void __fastcall TForm1::Button1Click(TObject *Sender)
{
//1.設置置頂奩口
SetWindowPos(Handle,HWND_TOPMOST,0,0,0,0,SWP_NOMOVE|SWP_NOSIZE);

}
//---------------------------------------------------------------------------
void __fastcall TForm1::Button2Click(TObject *Sender)
{
//2.取消置頂窗口
SetWindowPos(Handle,HWND_NOTOPMOST,0,0,0,0,SWP_NOMOVE|SWP_NOSIZE);
}
//---------------------------------------------------------------------------
void __fastcall TForm1::Button3Click(TObject *Sender)
{
 //3.設置置底奩口
SetWindowPos(Handle,HWND_BOTTOM,0,0,0,0,SWP_NOMOVE|SWP_NOSIZE);
}
//---------------------------------------------------------------------------
void __fastcall TForm1::FormMouseUp(TObject *Sender, TMouseButton Button, TShiftState Shift,
          int X, int Y)
{
  //4.設置置底奩口
SetWindowPos(Handle,HWND_BOTTOM,0,0,0,0,SWP_NOMOVE|SWP_NOSIZE);
}

//---------------------------------------------------------------------------

//让其不受其它影响可以直接置底
void __fastcall TForm1::FormPaint(TObject *Sender)
{
  //5.設置置底奩口
SetWindowPos(Handle,HWND_BOTTOM,0,0,0,0,SWP_NOMOVE|SWP_NOSIZE);
}