C# 如果开关盒中的项目包含在列表中,如何以独占方式添加该项目
列表上的项目会动态更改 在两个条件下添加到combobox的项:C# 如果开关盒中的项目包含在列表中,如何以独占方式添加该项目,c#,winforms,C#,Winforms,列表上的项目会动态更改 在两个条件下添加到combobox的项: 它们包含在合适的列表中 它们通过了开关箱条件 List<string> suitable = new List<string>() { "ASTM", "A216/DIN", "A351/DIN", "A395/DIN", "DIN123" }; string material = comboBox10.
List<string> suitable = new List<string>() { "ASTM", "A216/DIN", "A351/DIN", "A395/DIN", "DIN123" };
string material = comboBox10.SelectedItem.ToString();
switch (material)
{
case "PN16":
case "PN25":
case "CL150":
//Add only if item in the LIST suitable:
comboBox25.Items.Clear();
comboBox25.Items.Add("ASTM A216/DIN"); //NOT Add
comboBox25.Items.Add("DIN 1.0619"); //NOT Add
comboBox25.Items.Add("A216/DIN"); //ADD
break;
case "PN40":
case "PN63":
case "PN100":
case "CL300":
case "CL600":
//Add only If in the List
comboBox25.Items.Clear();
comboBox25.Items.Add("DIN 1.0619"); //NOT ADD
comboBox25.Items.Add("A351/DIN"); //add
comboBox25.Items.Add("A216/DIN"); //add
comboBox25.Items.Add("ASTM"); //add
break;
}
comboBox25.SelectedIndex = 0;
List applicate=new List(){“ASTM”、“A216/DIN”、“A351/DIN”、“A395/DIN”、“DIN123”};
string material=comboBox10.SelectedItem.ToString();
开关(材料)
{
案例“PN16”:
案例“PN25”:
案例“CL150”:
//仅当列表中的项目合适时才添加:
comboBox25.Items.Clear();
comboBox25.Items.Add(“ASTM A216/DIN”);//不添加
comboBox25.Items.Add(“DIN 1.0619”);//不添加
comboBox25.Items.Add(“A216/DIN”);//Add
打破
案例“PN40”:
案例“PN63”:
案例“PN100”:
案例“CL300”:
案例“CL600”:
//仅当在列表中时添加
comboBox25.Items.Clear();
comboBox25.Items.Add(“DIN 1.0619”);//不添加
comboBox25.Items.Add(“A351/DIN”);//Add
comboBox25.Items.Add(“A216/DIN”);//Add
comboBox25.Items.Add(“ASTM”);//Add
打破
}
comboBox25.SelectedIndex=0;
添加之前,只需检查项目是否在
合适的范围内
,例如通过使用包含
:
List<string> suitable = new List<string>() { "ASTM", "A216/DIN", "A351/DIN", "A395/DIN", "DIN123" };
string material = comboBox10.SelectedItem.ToString();
switch (material)
{
case "PN16":
case "PN25":
case "CL150":
//Add only if item in the LIST suitable:
comboBox25.Items.Clear();
var candidates = new[] { "ASTM A216/DIN", "DIN 1.0619", "A216/DIN"};
foreach(var c in candidates)
if(suitable.Contains(c))
comboBox25.Items.Add(c);
break;
case "PN40":
case "PN63":
case "PN100":
case "CL300":
case "CL600":
//Add only If in the List
comboBox25.Items.Clear();
var candidates = new[] { "DIN 1.0619", "A351/DIN", "A216/DIN", "ASTM"};
foreach(var c in candidates)
if(suitable.Contains(c))
comboBox25.Items.Add(c);
break;
}
comboBox25.SelectedIndex = 0;
添加之前,只需检查项目是否在
合适的范围内
,例如通过使用包含
:
List<string> suitable = new List<string>() { "ASTM", "A216/DIN", "A351/DIN", "A395/DIN", "DIN123" };
string material = comboBox10.SelectedItem.ToString();
switch (material)
{
case "PN16":
case "PN25":
case "CL150":
//Add only if item in the LIST suitable:
comboBox25.Items.Clear();
var candidates = new[] { "ASTM A216/DIN", "DIN 1.0619", "A216/DIN"};
foreach(var c in candidates)
if(suitable.Contains(c))
comboBox25.Items.Add(c);
break;
case "PN40":
case "PN63":
case "PN100":
case "CL300":
case "CL600":
//Add only If in the List
comboBox25.Items.Clear();
var candidates = new[] { "DIN 1.0619", "A351/DIN", "A216/DIN", "ASTM"};
foreach(var c in candidates)
if(suitable.Contains(c))
comboBox25.Items.Add(c);
break;
}
comboBox25.SelectedIndex = 0;
您能否进一步指定您想要实现的具体目标?测试它们是否在包含以下内容的列表中:如果(combox25.contains(“DIN 1.0619”),我想要实现的内容已在代码中注释。例如,“PN16”中的材料,唯一要添加到combox25的项目是“A216/DIN”因为它是合适列表中唯一匹配的项目。使用
字典可以让您的生活更轻松。您可以进一步指定您想要实现的目标吗?测试它们是否在包含:if(combox25.contains(“DIN 1.0619”)的列表中我想实现的是已经对代码进行了注释。例如,“PN16”中的材料,唯一要添加到comboBox25中的项目是“A216/DIN”,因为它是合适列表中唯一匹配的项目。使用字典