How to Create a Delphi Form from a String

There may be instances when you do not know the exact class type of a form object. You may only have the string variable carrying the name of the forms class, such as â€Å"TMyForm†. Note that the Application.CreateForm() procedure expects a variable of type TFormClass for its first parameter. If you can provide a TFormClass type variable (from a string), you will be able to create a form from its name. The FindClass() Delphi function locates a class type from a string. The search goes through all registered classes. To register a class, a procedure RegisterClass() can be issued. When the FindClass function returns a TPersistentClass value, cast it to TFormClass, and a new TForm object will be created. Sample Exercise Create a new Delphi project and name the main form: MainForm (TMainForm).Add three new forms to the project, name them:FirstForm (TFirstForm)SecondForm (TSecondForm)ThirdForm (TThirdForm)Remove the three new forms from the Auto-create Forms list in the Project-Options dialog.Drop a ListBox on the MainForm and add three strings: TFirstForm, TSecondForm, and TThirdForm.   procedure TMainForm.FormCreate( Sender: TObject);begin RegisterClass(TFirstForm); RegisterClass(TSecondForm); RegisterClass(TThirdForm);end; In the MainForms OnCreate event register the classes: procedure TMainForm.CreateFormButtonClick( Sender: TObject);var s : string;begin s : ListBox1.Items[ListBox1.ItemIndex]; CreateFormFromName(s);end; Once the button is clicked, find the selected forms type name, and call a custom CreateFormFromName procedure: procedure CreateFormFromName( const FormName : string);var fc : TFormClass; f : TForm;begin fc : TFormClass(FindClass(FormName)); f : fc.Create(Application); f.Show;end; (* CreateFormFromName *) If the first item is selected in the list box, the s variable will hold the TFirstForm string value. The CreateFormFromName will create an instance of the TFirstForm form.

U.s. Policy Making Process - 1339 Words

In order to effectively comprehend the United States of America’s (U.S.) policy making process, one must, accordingly, understand the various stages as well as the institutions involved in the same. More particularly, there are four key institutions involved in the U.S.’ policy making process; each of which play a significant role in the various stages of the process. Specifically, the U.S. policymaking process is comprised of four stages, to wit: agenda setting, formulation, implementation, and evaluation. First, the agenda setting stage is concerned with the specific problems of the public that the government aims to solve. Next, the formulation stage, or the â€Å"nuts and bolts† of policymaking, is the point when policymakers attempt to resolve the problem by creating new laws and policies. Thereafter, the new laws and policies that have been created are put into play in the implementation stage. Finally, in the evaluation stage is when policymakers ass ess whether the new laws and/or policies are working as intended, and whether it resolved the problem it was designed to target. (Moats, 2016, Congress: The Legislative Branch). Moreover, there are key institutions that are involved at the aforesaid various stages within the policymaking process, to wit: Congress, the President, the Bureaucracy, and finally, the Courts. More specifically, Congress is what is referred to as the â€Å"absolute center† of policymaking in the US – decides who gets what, when, and how.Show MoreRelatedPresidency and Foreign Policy Making Essay1692 Words   |  7 PagesPresidency In exploring the basis on which the U.S President is considered to hold dominant authority in regard to foreign policy making, and whether the Congress ought to hold a significant role in the foreign decision making process, it is imperative to take into account the executive powers vested on the U.S presidency. 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The Need to Balance the Qualitative and Quantitative assessments

Question: Discuss about the Need to Balance the Qualitative and Quantitative assessments in Risk Management. Answer: Introduction IT Risk Management is important for the different aspects as it focus on the contemporary functionality of the organisation. The focus is on how the risk is connected with the wide application of the information technologies with increase of the correlation of the organisation with its customers, business partners and the outsourced operations. It includes the concentration on searching the optimal proportions between the threats and the costs of the IT systems. With this, the best stage for this is risk optimisation with the minimised loss that is connected with the risks. The evolution is based on concentrating over the security of the IT systems. Critical Analysis The analysis is based on the production enterprise with specific system assets through the indirect or the direct loss for the organisation. IT risks is considered to be a threat if the business does not fill the activity of the requirements, ensure the integrity or the security properly. The risks are also comprehended for the identified management with the focus towards handling and evaluating the risks analysis. (Schermann, 2016). The aim of the risks analysis is based on the quantitative and the qualitative methods where: Quantitative methods: They are considered to be the major consequence of the incidents that have been occurring with the fact it includes the realisation of the costs as well as the benefits. It also includes the accuracy image of the risks as well where the measures depend on the scope with defined measurement scale. (Fairbrother et al., 2016). The results of the analysis are under the normal methods which are enriched in the qualitative hand with the analysis that could be conducted for the more expensive, demanding greater experience and the advanced tools. (Aven, 2016). Qualitative Methods This works on putting the risks according to the priority which also works on the areas to determine about how the short time risks and less expenditure risks could be handled. The analysis is also relatively found to be easy where it does not allow the determination of the probabilities. (Behzadi et al., 2017). The costs and the benefit analysis is found to be difficult in this with the achieved results that have a general character. The qualitative method is not accurate enough for the assessment of the IT risks. Critical issues in Risk Management The risks are related to the occupational and the public safety which results mainly from the work schedules which sets under the regulatory agency. It works on the different high profile incidents where the lack of the external or the internal motivators will lead to the major issues of work. Hence, the development of the products like the fatigue training and the countermeasure tools are important for the distribution of the material with addressing all the important responsibilities and concerns. (Hansson et al., 2014). The quantitative methods are for the proper estimation of the risks values which is connected with the applications based on the numerical measures. It also includes the qualitative perspectives which do not operate on the numerical data. The risks analysis is comprehensive identification of the threats and the susceptibility with properly determining the levels for making decisions with the applications set for the specific methods. (Agcaet al., 2017). This also i ncludes the evaluation of resources and working over the information, software, hardware and the physical resources. The assessment of the consequences will then help identifying the threats that will be able to determine the possibility of destruction. Reflection According to ISO 31000, there is a need to focus on the internal and the external criteria of the project. This refer to the compliance with safety, environment and the statutory requirements. The evaluation is also mainly acceptable which depends on the organisation tolerance for the risks which contributes to the stemming from the risks. For the balance in between the risks, there is a need that the parties are able to work on different aspects of the project delivery which is important for the identification and informed cross section. (Giannakis et al., 2016). Conclusion The IT risks includes the direction of deliberation and the activities where the methods of the risks assessment are set in the advanced form. (Wiengarter et al., 2016). The benefits are multidimensional but there is a need to keep a balance in between the losses and the costs which is for implementing the protection. This will help in planning the expenditures properly and work on the lack of fundamental to any additional investments in Information Security. References Agca, R., Heslinga, S.C., Rollefstad, S., Heslinga, M., McInnes, I.B., Peters, M.J.L., Kvien, T.K., Dougados, M., Radner, H., Atzeni, F. and Primdahl, J., 2017. EULAR recommendations for cardiovascular diseaserisk management in patients with rheumatoid arthritis and other forms of inflammatory joint disorders: 2015/2016 update.Annals of the rheumatic diseases,76(1), pp.17-28. Aven, T., 2016. Risk assessment and risk management: Review of recent advances on their foundation.European Journal of Operational Research,253(1), pp.1-13. Behzadi, G., OSullivan, M.J., Olsen, T.L. and Zhang, A., 2017. Agribusiness supply chain risk management: A review of quantitative decision models.Omega. Fairbrother, A., Hartl, B., Hope, B.K., Jenkins, J.J., Li, Y.W. and Moore, D.R., 2016. Risk management decisions for pesticides and threatened and endangered species: The role of uncertainty analysis.Human and Ecological Risk Assessment: An International Journal,22(2), pp.502-518. Giannakis, M. and Papadopoulos, T., 2016. Supply chain sustainability: A risk management approach.International Journal of Production Economics,171, pp.455-470. Hansson, S.O. and Aven, T., 2014. Is risk analysis scientific?.Risk Analysis,34(7), pp.1173-1183. Schuermann, T., 2016. Stress testing in wartime and in peacetime.Browser Download This Paper. Wiengarten, F., Humphreys, P., Gimenez, C. and McIvor, R., 2016. Risk, risk management practices, and the success of supply chain integration.International Journal of Production Economics,171, pp.361-370.

Methanol As Fuel Essays - Biofuels, Industrial Gases,

Methanol As Fuel This section is about methanol fuel cells for our future. Since I have done this research I have never realized how important future fuels are. Methanol is a liquid fuel made form natural gas or renewable biomass resources. Methanol is the leading candidate to provide the hydrogen necessary to power fuel cell vehicles. The commercialization of methanol-powered fuel cells will offer practical, affordable, long-range electric vehicles with zero or near zero emissions while retaining the convenience of a liquid fuel. By 2004 they say or even sooner, fuel cells operating on methanol will power a variety of cars and buses in the U.S and worldwide.( www.mehanol.org) Methanol is predoninantly produced by steam reforming of natural gas to dcreate a sythesis gas, which is then dfed into a reactor vessel in the presence of a catalyst to produce methanol and water vapor. Although a variety of feedstock's other than natural gas can and have been used, today's economics favor natural gas. Synthesis gas refers to combination of carbon monoxide and hydrogen while a large amount of synthesis gas us used to make methanol, most synthesis gas is used to make ammonia. As a result, most methanol plants are adjacent o or are part of ammonia plants. The gas fed into another reactor vessel under high temperatures and pressures, where monoxide and hydrogen are came in the presence of a catalyst to produce methanol. Finally, the reactor product is distilled to purify and separate the methanol from the reactor effluent. (wwwadfc.nrel.gov.) "(Washington, D.C., January 28) A study by the environmental engineering firm Malcolm Pirnie, Inc. finds far fewer environmental threats from using methanol in fuel cell vehicles, compared to gasoline's use for internal combustion engines. In addition, a video presentation on methanol and the environment produced by the Public Interest Video Network will be premiered at "The Road to Fuel Cell Vehicles: A National Forum" being held on February 4th and 5th at the Hotel Washington in Washington, D.C" (www.methanol.org) Methanol will probably be transferred from import terminals or production facilities by barge, rail, or truck to eventually reach retail outlets. While the alcohol fuel is a liquid at ambient temperatures and atmospheric pressures, the cannot be moved easily through the existing petroleum product market network. "The world's major automakers have all announced plans for the market introduction of fuel cell vehicles by 2003/2004. These fuel cell vehicles will require a source of hydrogen fuel. As a liquid fuel rich in hydrogen, methanol is the leading candidate to power tomorrow's fuel cell cars and buses. A comprehensive needs assessment should be performed to determine how best to provide methanol fuel to an emerging market for fuel cell vehicles." (www. The American Methanol Foundation" From the information gathered it seems that methanol is the number one candidate for future fuels for leading car manufactures. It is also nice to know that the government has plans to figure In addition, this assessment will attempt to forecast methanol fuel direction and tools for consumer education efforts regarding the use of methanol in fuel cell vehicles.