3d: WindowsAPI: Windows-make: How do we face memories problem:

To Check if the focus on the object is good.

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(2020605)
Calculation Box :
void calculation_box_orralis( vPointLinear* pCurveLines );

Separation of Calculation to the screen:
From:
int dDisplayControls_wmpaint_display_threeD_proc_OnRails ( HWND hWnd, HDC hDC, PAINTSTRUCT* ps, UINT uMsg, WPARAM wParam, LPARAM lParam ) ;
To:
void create_panel_onrails_001(HWND hWnd, HDC hDC, PAINTSTRUCT* ps, UINT uMsg, WPARAM wParam, LPARAM lParam);
void create_panel_onrails_002(HWND hWnd, HDC hDC, PAINTSTRUCT* ps, UINT uMsg, WPARAM wParam, LPARAM lParam);

Add the Func to: 
int display_threeD_screen_initialize_OnRails () ;

the Func:
void create_to_screen ( vPointLinear* pCurveLines ) ;


source code:
// 20200605: 
void create_to_screen ( vPointLinear* pCurveLines ) ;
void create_panel_onrails_001(HWND hWnd, HDC hDC, PAINTSTRUCT* ps, UINT uMsg, WPARAM wParam, LPARAM lParam);
void create_panel_onrails_002(HWND hWnd, HDC hDC, PAINTSTRUCT* ps, UINT uMsg, WPARAM wParam, LPARAM lParam);
void calculation_box_orralis( vPointLinear* pCurveLines );