C#根據項目的第一個字符在列表框中添加/減去/相乘/划分不同的項目 [英]C# adding/subtracting/multiplying/dividing different items in listbox based on first character of item
BackgroundWorker在列表框中添加項目時在C#中出現問題? [英]BackgroundWorker giving problem in C# while adding item in Listbox?
(c# + windows 窗體) 將項目添加到不同類中的 listBox [英](c# + windows forms) Adding items to listBox in different class