C++ (Cpp) SCH_SHEET::SetParent示例

// Create hierarchy sheet.
SCH_SHEET* SCH_EDIT_FRAME::CreateSheet( wxDC* aDC )
{
    SetRepeatItem( NULL );

    SCH_SHEET* sheet = new SCH_SHEET( GetCrossHairPosition() );

    sheet->SetFlags( IS_NEW | IS_RESIZED );
    sheet->SetTimeStamp( GetNewTimeStamp() );
    sheet->SetParent( GetScreen() );
    sheet->SetScreen( NULL );

    // need to check if this is being added to the GetDrawItems().
    // also need to update the hierarchy, if we are adding
    // a sheet to a screen that already has multiple instances (!)
    GetScreen()->SetCurItem( sheet );
    m_canvas->SetMouseCapture( resizeSheetWithMouseCursor, ExitSheet );
    m_canvas->CallMouseCapture( aDC, wxDefaultPosition, false );
    m_canvas->CrossHairOff( aDC );

    SetCrossHairPosition( sheet->GetResizePosition() );

    m_canvas->MoveCursorToCrossHair();
    m_canvas->CrossHairOn( aDC );

    return sheet;
}