2.2.6.10.12 Dialog::Rollup

Rollup

1 Description
2 Syntax
3 Parameters
4 Return
5 Examples
6 Remark
7 See Also
8 Header to Include

Description

Rolls up or down a dialog window

Syntax

BOOL Rollup( BOOL bClose = TRUE )

Parameters

bClose: When true will, if not already rolled up, rolls up the dialog to a minimal size. Rolls down to normal size when false.

Return

returns non zero when operation succeedes else zero.

Examples

To run this example, put codes in a c file under \OriginC\Originlab folder.

class TestRollUpDlg : public ResizeDialog
{
public:
	TestRollUpDlg() : ResizeDialog( IDD_SIMPLEBOX, "ODlg8" )
	{
	}
	int	DoModalEx(HWND hParent)
	{
		InitMsgMap();
		return DoModal(hParent);
	}
	
protected:	
EVENTS_BEGIN
	ON_INIT( OnInitDialog )
	ON_SYSCOMMAND(OnSystemCommand)//mostly on minimize/maxmize event
	ON_CLICK_KEY(OnKey)//on dialog rolling up
EVENTS_END

	BOOL OnInitDialog()
	{
		//add minimize and maxmize buttons
		ModifyStyle(0, WS_MINIMIZEBOX|WS_MAXIMIZEBOX);
		return TRUE;
	}
	bool OnSystemCommand(int nCmd)
	{
		out_int("OnSystemCommand=", nCmd);
		
		if( SC_MINIMIZE == nCmd)
		{
			BOOL bClose = !IsRolledup();
			Rollup(bClose);
			return FALSE;
		}
		return TRUE;
	}
	BOOL OnKey(BOOL bRollingUp)
	{
		out_str(bRollingUp?"RollingUp":"RollingUp false");
		return TRUE;
	}
};


void open_rollup_dlg()
{
	TestRollUpDlg myDlg;
	HWND hWnd = GetWindow();
	int nRet = myDlg.DoModalEx(hWnd);
}