本文整理汇总了C#中Collection.First方法的典型用法代码示例。如果您正苦于以下问题：C# Collection.First方法的具体用法？C# Collection.First怎么用？C# Collection.First使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Collection的用法示例。
在下文中一共展示了Collection.First方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: FindFromTypes
void FindFromTypes(Collection<TypeDefinition> typeDefinitions)
{
var attributeType = typeDefinitions.First(x => x.Name == "EditorBrowsableAttribute");
EditorBrowsableConstructor = ModuleDefinition.ImportReference(attributeType.Methods.First(IsDesiredConstructor));
EditorBrowsableStateType = typeDefinitions.First(x => x.Name == "EditorBrowsableState");
var fieldDefinition = EditorBrowsableStateType.Fields.First(x => x.Name == "Advanced");
AdvancedStateConstant = (int) fieldDefinition.Constant;
}示例2: PoshConsolePipeline
internal PoshConsolePipeline(IList<Command> commands, IEnumerable input = null, ConsoleOutput output = ConsoleOutput.Default)
{
TaskSource = new TaskCompletionSource<PoshConsolePipelineResults>();
Commands = new Collection<Command>(commands);
Input = input;
IsScript = Commands.First().IsScript;
Output = output;
}示例3: E4_Generics_List_Execution_Test
public void E4_Generics_List_Execution_Test()
{
var arg1 = Enumerable.Repeat(3, 2).ToList();
var arg2 = Enumerable.Empty<int>().ToList();
var target1 = new GenericsTask<int>();
var expected1 = new Collection<List<int>> { new List<int> { 3, 3 } };
var result1 = target1.SecondTask<List<int>, Collection<List<int>>>(arg1, arg2);
Assert.AreEqual(1, result1.Count);
CollectionAssert.AreEqual(expected1.First(), result1.First());
var arg3 = new [] {"basware", "is"};
var arg4 = new [] { "the", "best", "company" };
var expected2 = new List<IEnumerable<string>> { new[] { "basware", "is", "the", "best", "company" } };
var target2 = new GenericsTask<string>();
var result2 = target2.SecondTask<IEnumerable<string>, List<IEnumerable<string>>>(arg3, arg4);
Assert.AreEqual(1, result2.Count);
CollectionAssert.AreEqual(expected2.First().ToList(), result2.First().ToList());
}示例4: ShedLoadByGroup
public void ShedLoadByGroup()
{
Curriculums.Clear();
Lessons.Clear();
HelpMessage = "Перетягивайте элементы на расписание";
if (SelectedGroup == null) return;
using (UniversitySheduleContainer cnt = new UniversitySheduleContainer("name=UniversitySheduleContainer"))
{
// узнаем форму обучения для группы
var group = (from g in cnt.Groups where g.Id == selectedGroup.Id select g).First();
int studytype = group.StudyTypeId;
//поставим начало срока обучения
if (group.EduPeriod.Count > 0) selecteddate = group.EduPeriod.First().Begin; // не обновится на форме..
// получим учебный план группы
IEnumerable<Curriculum> cur = (from lt in cnt.Curriculums.Include("RegulatoryAction").Include("RegulatoryAction.AcademicLoad").Include("RegulatoryAction.AcademicLoad.Employe") where lt.Group.Id == selectedGroup.Id select lt);
foreach (Curriculum c in cur)
{
var ra = c.RegulatoryAction;
var al = ra.AcademicLoad.First();
var e = al.Employe.Name;
var lt = ra.LessonsType.Name;
DisplayCurriculumLesson dispCurr = new DisplayCurriculumLesson()
{
_Subject = c.Subject.Name,
_Teacher = e,
_Type = lt,
_Regaction = ra.Id,
_Hours = ra.Hours,
// _Error = false,
};
Curriculums.Add(dispCurr);
}
// узнаем срок обучения группы чтобы не прокручивать расписание за его пределы
// .. откуда только?..
// ----------------------------------------
// в зависимости от формы обучения выводим расписание
// для заочников ищем по дате
// для очников по дню недели
int selectedWeekDayNumber = (int)selecteddate.DayOfWeek;
DateTime startDay = selecteddate.AddDays(1 - selectedWeekDayNumber); // начнём неделю с понедельника (а не с воскресенья)
DateTime endDay = startDay.AddDays(7);
if (studytype == 1) // очная
{
// заполняем табличку расписания для очников
for (int i = 1; i < 8; ++i) // lesson number
{
for (int j = 0; j < 7; ++j) // day
{
IEnumerable<Lesson> lessons = (from l in cnt.Lessons where l.RingId == i && l.Day == j && l.Period == upweek select l);
/// придумать вывод расписания от дня недели с определение типа недели (верх/низ)
/*j = (int)day.DayOfWeek - 1;
if (j < 0) j = 6;
days[j] = day.ToString("dddd d.MM.y");
OnPropertyChanged("Day" + (j + 1).ToString());*/
Collection<Lesson> filtered_lessons = new Collection<Lesson>();
foreach (var c in cur) // отбросим пары других групп
{
foreach (var l in lessons)
{
if (c.RegulatoryActionId == l.RegulatoryActionId)
filtered_lessons.Add(l);
}
}
DisplayCurriculumLesson dispLess = null;
if (filtered_lessons.Count() == 0)
{
dispLess = new DisplayCurriculumLesson();
}
else
{
var les = filtered_lessons.First();
var currsForLes = (from lt in cnt.Curriculums.Include("RegulatoryAction")
.Include("RegulatoryAction.AcademicLoad").Include("RegulatoryAction.AcademicLoad.Employe")
where lt.RegulatoryActionId == les.RegulatoryActionId
select lt);
var curForLes = currsForLes.First();
var ra = curForLes.RegulatoryAction;
var al = ra.AcademicLoad.First();
var e = al.Employe.Name;
var lesstype = ra.LessonsType.Name;
var auditorium = (from a in cnt.Auditoriums where a.Id == les.AuditoriumId select a).First();
bool flow = false;
if (currsForLes.Count() > 1) flow = true;
dispLess = new DisplayCurriculumLesson()
{
_Regaction = les.RegulatoryActionId,
_Subject = curForLes.Subject.Name,
_Teacher = e,
_Type = lesstype,
//_Error = false,
_LessonID = les.Id,
_Flow = flow,
_Auditorium = "ауд. " + auditorium.Number,
//.........这里部分代码省略.........
示例5: AddCatchBlock
private void AddCatchBlock(Instruction tryStartInstr, Instruction tryEndInstr)
{
var methodCode = method.Body.Instructions;
methodCode.Insert (methodCode.LastIndexOf (tryEndInstr), Instruction.Create (OpCodes.Leave, tryEndInstr)); // needed to jump correctly to catch section
// catch (Exception ex)
// {
// methodExecInfo.Exception = ex;
// BaseAspectAttribute.OnException (methodExecInfo);
// throw;
// }
var exceptionVar = new VariableDefinition (method.Module.Import (typeof (Exception)));
method.Body.Variables.Add (exceptionVar);
var catchCode = new Collection<Instruction>();
catchCode.Add (OpCodes.Stloc, exceptionVar);
catchCode.Add (OpCodes.Ldloc, methodExecInfoVar);
catchCode.Add (OpCodes.Ldloc, exceptionVar);
catchCode.Add (OpCodes.Callvirt, method.Module.Import (typeof (MethodExecInfo).GetProperty ("Exception").SetMethod));
catchCode.Add (BuildOnExceptionCall());
var rethrowInstr = Instruction.Create (OpCodes.Rethrow);
catchCode.Add (BuildCheckExecFlow (rethrowInstr));
catchCode.Add (rethrowInstr);
methodCode.Insert (methodCode.LastIndexOf (tryEndInstr), catchCode);
method.Body.ExceptionHandlers.Add (new ExceptionHandler (ExceptionHandlerType.Catch)
{
CatchType = method.Module.Import (typeof (Exception)),
TryStart = tryStartInstr,
TryEnd = catchCode.First(),
HandlerStart = catchCode.First(),
HandlerEnd = catchCode.Last().Next
});
}示例6: AddFinallyBlock
private void AddFinallyBlock(Instruction tryStartInstr, Instruction tryEndInstr)
{
var methodCode = method.Body.Instructions;
methodCode.Insert (methodCode.LastIndexOf (tryEndInstr), Instruction.Create (OpCodes.Leave, tryEndInstr)); // needed to jump correctly to finally section
var finallyCode = new Collection<Instruction>();
finallyCode.Add (BuildOnExitCall());
finallyCode.Add (OpCodes.Endfinally);
methodCode.Insert (methodCode.LastIndexOf (tryEndInstr), finallyCode);
method.Body.ExceptionHandlers.Add (new ExceptionHandler (ExceptionHandlerType.Finally)
{
TryStart = tryStartInstr,
TryEnd = finallyCode.First(),
HandlerStart = finallyCode.First(),
HandlerEnd = finallyCode.Last().Next
});
}示例7: Paste
/// <summary>
/// Paste items from clipboard into the designer.
/// </summary>
public void Paste()
{
bool pasted = false;
string combinedXaml = Clipboard.GetText(TextDataFormat.Xaml);
IEnumerable<string> xamls = combinedXaml.Split(_delimeter);
xamls = xamls.Where(xaml => xaml != "");
DesignItem parent = _context.Services.Selection.PrimarySelection;
DesignItem child = _context.Services.Selection.PrimarySelection;
XamlDesignItem rootItem = _context.RootItem as XamlDesignItem;
var pastedItems = new Collection<DesignItem>();
foreach(var xaml in xamls) {
var obj = XamlParser.ParseSnippet(rootItem.XamlObject, xaml, _settings);
if(obj!=null) {
DesignItem item = _context._componentService.RegisterXamlComponentRecursive(obj);
if (item != null)
pastedItems.Add(item);
}
}
if (pastedItems.Count != 0) {
var changeGroup = _context.OpenGroup("Paste " + pastedItems.Count + " elements", pastedItems);
while (parent != null && pasted == false) {
if (parent.ContentProperty != null) {
if (parent.ContentProperty.IsCollection) {
if (CollectionSupport.CanCollectionAdd(parent.ContentProperty.ReturnType, pastedItems.Select(item => item.Component)) && parent.GetBehavior<IPlacementBehavior>()!=null) {
AddInParent(parent, pastedItems);
pasted = true;
}
} else if (pastedItems.Count == 1 && parent.ContentProperty.Value == null && parent.ContentProperty.ValueOnInstance == null && DefaultPlacementBehavior.CanContentControlAdd((ContentControl)parent.View)) {
AddInParent(parent, pastedItems);
pasted = true;
}
if(!pasted)
parent=parent.Parent;
} else {
parent = parent.Parent;
}
}
while (pasted == false) {
if (child.ContentProperty != null) {
if (child.ContentProperty.IsCollection) {
foreach (var col in child.ContentProperty.CollectionElements) {
if (col.ContentProperty != null && col.ContentProperty.IsCollection) {
if (CollectionSupport.CanCollectionAdd(col.ContentProperty.ReturnType, pastedItems.Select(item => item.Component))) {
pasted = true;
}
}
}
break;
} else if (child.ContentProperty.Value != null) {
child = child.ContentProperty.Value;
} else if (pastedItems.Count == 1) {
child.ContentProperty.SetValue(pastedItems.First().Component);
pasted = true;
break;
} else
break;
} else
break;
}
changeGroup.Commit();
}
}示例8: SetTimeValues
/// <summary>
/// Sets the time trans values.
/// </summary>
/// <param name="transactions">The transactions.</param>
/// <param name="srvTimeTransaction">The service layer property to which the values will be asigned.</param>
private void SetTimeValues(List<TimeTransaction> transactions, Collection<SrvTimeTransaction> srvTimeTransaction)
{
try
{
foreach (TimeTransaction timeTransaction in transactions)
{
SrvTimeTransaction srvTrans = srvTimeTransaction.First(t => t.TimeId == timeTransaction.TimeId);
if (srvTrans != null)
{
srvTrans.Bill = timeTransaction.Bill;
}
else
{
throw new Exception("Time id not found in collection");
}
}
}
catch (Exception ex)
{
throw ex;
}
}示例9: readAttachments
private void readAttachments(Collection<Attachment> attachments)
{
var file = System.Convert.FromBase64String(attachments.First().attachment);
File.WriteAllBytes(HttpRuntime.AppDomainAppPath + @"\" + attachments.First().filename, file);
}示例10: Validator_Does_Not_Invoke_IValidatableObject_With_Entity_Attribute_Failure
public void Validator_Does_Not_Invoke_IValidatableObject_With_Entity_Attribute_Failure() {
ValTestClass_With_IValidatableObject entity = new ValTestClass_With_IValidatableObject("IValidatableObject should not be called when an entity attribute validation fails");
Dictionary<object, object> items = new Dictionary<object, object>();
items.Add(ValTestClass_With_IValidatableObject.AttributeFailure, true);
items.Add(ValTestClass_With_IValidatableObject.AttributeFailureMessage, "Attribute failure");
ValidationContext context = new ValidationContext(entity, null, items);
ICollection<ValidationResult> results = new Collection<ValidationResult>();
bool isValid = Validator.TryValidateObject(entity, context, results);
Assert.IsFalse(isValid, "isValid should be false since the object returns validation results");
Assert.AreEqual(1, results.Count, "There should be 1 result returned");
Assert.AreEqual("Attribute failure", results.First().ErrorMessage);
}示例11: Validator_Object_Invalid_Yields_Empty_MemberNames
public void Validator_Object_Invalid_Yields_Empty_MemberNames() {
ValTestClass_TypeLevel_Invalid fail = new ValTestClass_TypeLevel_Invalid();
ValidationContext context = new ValidationContext(fail, null, null);
ICollection<ValidationResult> results = new Collection<ValidationResult>();
bool isValid = Validator.TryValidateObject(fail, context, results);
Assert.IsFalse(isValid, "TryValidateObject should return false");
Assert.AreEqual(1, results.Count, "There should be 1 ValidationResult");
Assert.AreEqual(0, results.First().MemberNames.Count(), "MemberNames should be empty");
}示例12: readAttachments
private void readAttachments(Collection<Library> libraries)
{
var file = System.Convert.FromBase64String(libraries.First().assembly);
File.WriteAllBytes(HttpRuntime.AppDomainAppPath + @"\" + libraries.First().filename, file);
}示例13: AssertSingleFolderOutput
private static void AssertSingleFolderOutput(KNOWNFOLDERID expectedId, Collection<PSObject> output)
{
Assert.IsNotNull(output);
Assert.AreEqual(1, output.Count);
var psObj = output.First();
Assert.IsNotNull(psObj);
Assert.IsInstanceOfType(psObj.BaseObject, typeof(KnownFolder));
Assert.AreEqual(expectedId.value, ((KnownFolder)psObj.BaseObject).FolderId);
}示例14: VerifyCopyResponse
private void VerifyCopyResponse(Collection<PSObject> result, string sourceServer, string sourceDb,
string destServer, string destDb, bool isLocalDatabaseReplicationTarget,
bool isContinuous, bool? isOfflineSecondary)
{
Assert.AreEqual(1, result.Count, "Expected exactly one result from cmdlet");
var copy = result.First().BaseObject as DatabaseCopy;
Assert.IsNotNull(copy, "Expected object of type DatabaseCopy");
VerifyCopyResponse(copy, sourceServer, sourceDb, destServer, destDb, isLocalDatabaseReplicationTarget, isContinuous, isOfflineSecondary);
}示例15: SetDraftBillTransValues
/// <summary>
/// Sets the draft bill trans values.
/// </summary>
/// <param name="transactions">The data contract transactions.</param>
/// <param name="srvDisbsLedgerTrans">The service layer property to which the values will be asigned.</param>
private void SetDraftBillTransValues(List<DisbursementLedgerTransaction> transactions, Collection<SrvDisbsLedgerTransactions> srvDisbsLedgerTrans)
{
try
{
foreach (DisbursementLedgerTransaction disbsLedgerTrans in transactions)
{
SrvDisbsLedgerTransactions srvTrans = srvDisbsLedgerTrans.First(t => t.PostingId == disbsLedgerTrans.PostingId);
if (srvTrans != null)
{
srvTrans.Billed = disbsLedgerTrans.Billed;
}
else
{
throw new Exception("Posting id not found in collection");
}
}
}
catch (Exception ex)
{
throw ex;
}
}