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

#include <vcl.h>
#pragma hdrstop

#include "InsertObject.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
	: TForm(Owner)
{
}
//---------------------------------------------------------------------------
// BeginExample: InsertObject
// Method: Classes.TStringList.InsertObject
// Method: Classes.TStrings.InsertObject
// Property: Classes.TComponent.Name
// Method: StdCtrls.TCustomListBox.ItemAtPos
// Method: System.TObject.ClassType
// Method: System.TObject.ClassParent

// BeginCode
/*
For the following example, add a button, a status bar, and a
list box to the form. Set the SimplePanel property of the
status bar to true, using the object inspector. Also, populate
the OnMouseUp event handler for the list box.  The following
code fills a list box with the names of all components on the
form when the user clicks the button. References to the
components themselves are inserted along with the names. The
components are all inserted at the front of the list, so that
the last component added to the form is the first component
in the list.  When the user right-clicks the name of an
object in the list, the component’s coordinates are displayed
on the status bar. Note that because we are using the right-
click, the item need not be selected.
*/
void __fastcall TForm1::Button1Click(TObject *Sender)
{
  for (int i = 0; i < ComponentCount; i++)
	ListBox1->Items->InsertObject(0,
                                  Components[i]->Name, 
								  dynamic_cast<TObject *>(Components[i]));
}

void __fastcall TForm1::ListBox1MouseUp(TObject *Sender, TMouseButton Button,
      TShiftState Shift, int X, int Y)
{
  if (Button == mbRight)
  {
    TClass ClassRef;
    int Index = ListBox1->ItemAtPos(Point(X,Y), true);
    // only components that are controls have a position
    // make sure the component is a control
	for (ClassRef = ListBox1->Items->Objects[Index]->ClassType();
         ClassRef != NULL;
         ClassRef = ClassRef->ClassParent())
      if (String(ClassRef->ClassName()) == "TControl")
      {
		TControl *TheObject = dynamic_cast<TControl *>(ListBox1->Items->Objects[Index]);
        StatusBar1->SimpleText =
          TheObject->Name + " is at (" +
          IntToStr(TheObject->Left) + ", " +
          IntToStr(TheObject->Top) + ")";
         break;
      }
    if (ClassRef == NULL) // if it wasn't a control
      MessageBeep(0);
  }
}
// EndCode
// EndExample: InsertObject
//---------------------------------------------------------------------------
