Create a Currency Convert Calculators using window form using C# to co

Question

1 U.S. Dollar (USD) =
Euro (EUR)	.8172
Australian Dollar (AUD)	1.3128
Canadian Dollar (CAD)	1.2704
Chinese Yuan (CNY)	6.5338
British Pound (GBP)	.7368
Hong Kong Dollar (HKD)	7.7524
Japanese Yen (JPY)	130.2330
Korean Won (KRW)	1092.0500
Singapore Dollar (SGD)	1.3254
Taiwan Dollar (TWD)	28.118

Daniel Wright · Answer

Creating a Currency Converter using a Windows Form application in C# is a great way to practice your programming skills. Essentially, the user will input an amount in US Dollars (USD), select a target currency from a dropdown list, and then the application will convert the USD amount to the selected currency based on the exchange rates provided. Here's a high-level overview of how you can implement this: 1. Design the User Interface (UI): - Include a textbox for the user to input the amount in USD. - Use a dropdown list or combo box to display the different currency options for conversion. - Add a button for the user to initiate the conversion process. - Display the converted amount to the user. 2. Fetch Exchange Rates: - Store the exchange rates between USD and the other currencies in your code. The rates can be stored in a dictionary or any suitable data structure. 3. Conversion Logic: - Upon clicking the conversion button, use the selected currency value from the dropdown list to look up the exchange rate. - Multiply the input USD amount by the exchange rate to get the converted amount in the selected currency. 4. Display the Result: - Show the converted amount in a textbox or label to provide the user with the final result. 5. Error Handling: - Implement error handling to deal with invalid inputs or unexpected issues during the conversion process. Here's a simplified example to illustrate part of the logic (assuming you have a button click event handler for the conversion): private void ConvertCurrency() { // Exchange rates Dictionary exchangeRates = new Dictionary { { "EUR", 0.8172 }, { "AUD", 1.3128 }, // Add other currencies here }; // Get the selected currency from the dropdown string selectedCurrency = dropdownCurrency.SelectedItem.ToString(); // Get the input amount in USD if (double.TryParse(txtUSD.Text, out double amountUSD)) { if (exchangeRates.ContainsKey(selectedCurrency)) { double convertedAmount = amountUSD * exchangeRates[selectedCurrency]; // Display the converted amount lblResult.Text = $"{amountUSD} USD = {convertedAmount} {selectedCurrency}"; } else { MessageBox.Show("Invalid currency selected."); } } else { MessageBox.Show("Please enter a valid USD amount."); } } This is just a basic template to get you started. You can enhance the application by adding error handling, implementing more currencies, improving the UI design, and even potentially fetching real-time exchange rates from an API for a more dynamic experience. Feel free to ask if you have more specific questions or need further clarification on any part of the process!

Create a Currency Convert Calculators using window form using C# to co

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