Failed to change TRectangleTool position when from resized

[elmec]

I want the RectangleTool position change automatically when form size changed.
But if I change form size by dragging the from border, it seems OK,
while nothing changed when maximize the form.

Code: Select all

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

#include <fmx.h>
#pragma hdrstop
#include <iostream>
#include <string>
#include <Generics.Defaults.hpp>
#include <Generics.Collections.hpp>

#include <vector>

#include "Unit12.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)

#pragma link "FMXTee.Tools.ScrollPager"
#pragma link "FMXTee.Tools.SubChart"
#pragma link "FMXTee.Tools"
#pragma link "FMXTee.Tools.DragPoint"
#pragma resource "*.fmx"
TForm12 *Form12;

using namespace std;

// value index range
int from = 30;
int to   = 50;


__fastcall TForm12::TForm12(TComponent* Owner)
   : TForm(Owner)
{

	series1->FillSampleValues(100);

	RectangleTool->Shape->Color = claRed;
}

void __fastcall TForm12::btnSetPosClick(TObject *Sender)
{

	// Set the position of TRectangleTool with valueindex
	int left  = series1->CalcXPos(from);
	int right = series1->CalcXPos(to);
	RectangleTool->Left   = left;
	RectangleTool->Width  = right - left;

	RectangleTool->Top   = 200;
	RectangleTool->Height = 100;
}
//---------------------------------------------------------------------------


// I want the RectangleTool position change automatically when form size changed.
//  But if I change form size by dragging the from border, it seems OK,
//    while nothing changed when maximize the form.
void __fastcall TForm12::FormResize(TObject *Sender)
{
	btnSetPosClick(NULL);
}
//---------------------------------------------------------------------------

[elmec]

Pls find the attachment for exampl project.

[elmec]

Do you have any idea?

[Sandra]

Hello elmec,

Sorry for the delay. We are investigating the problem you are experiencing and will try to give you an answer in short time as possible.

Thanks in advance,

[Sandra]

Hello elmec,
Sorry for the delay.
After doing some test, we have realised that the problem you are experiencing is produced because is necessary repaint the chart before using CalcXPos method, so the Chart has correct values. To do it you need only add Draw Chart method and call BtnSetPosClick in OnPaint Form event.
Below, I have attached your project with the modification.

Project.zip

(224.12 KiB) Downloaded 1300 times

I hope it will help.
Thanks in advance,