DateRangeEventArgs Třída

Definice

Obor názvů:

System.Windows.Forms

Sestavení:

System.Windows.Forms.dll

Poskytuje data pro DateChanged události MonthCalendar ovládacího prvku nebo DateSelected .

public ref class DateRangeEventArgs : EventArgs

public class DateRangeEventArgs : EventArgs

type DateRangeEventArgs = class
    inherit EventArgs

Public Class DateRangeEventArgs
Inherits EventArgs

Dědičnost

Object

EventArgs

DateRangeEventArgs

Příklady

Následující příklad zobrazí formulář obsahující ovládací prvek MonthCalendar , který zobrazuje jeden kalendářní rok. Příklad ukazuje nastavení vlastností jako BackColor, , ForeColor, TitleBackColorTitleForeColor, CalendarDimensions, a TrailingForeColor pro přizpůsobení vzhledu ovládacího prvku kalendáře. Další vlastnosti, jako AnnuallyBoldedDatesjsou , BoldedDatesa MonthlyBoldedDates , jsou nastavené tak, aby se přizpůsobila kalendářním datům označeným tučným písmem. Příklad také nastaví vlastnosti pro změnu formátu kalendáře, včetně FirstDayOfWeek, MaxDateMinDate, a MaxSelectionCount. Zpracovávají DateSelected se také události a DateChanged a jejich stav se zobrazí ve formuláři.

#using <System.dll>
#using <System.Windows.Forms.dll>
#using <System.Drawing.dll>

using namespace System;
using namespace System::Drawing;
using namespace System::Windows::Forms;
public ref class Form1: public System::Windows::Forms::Form
{
private:
   System::Windows::Forms::MonthCalendar^ monthCalendar1;
   System::Windows::Forms::TextBox^ textBox1;

public:
   Form1()
   {
      this->textBox1 = gcnew System::Windows::Forms::TextBox;
      this->textBox1->BorderStyle = System::Windows::Forms::BorderStyle::FixedSingle;
      this->textBox1->Location = System::Drawing::Point( 48, 488 );
      this->textBox1->Multiline = true;
      this->textBox1->ReadOnly = true;
      this->textBox1->Size = System::Drawing::Size( 824, 32 );
      
      // Create the calendar.
      this->monthCalendar1 = gcnew System::Windows::Forms::MonthCalendar;
      
      // Set the calendar location.
      this->monthCalendar1->Location = System::Drawing::Point( 47, 16 );
      
      // Change the color.
      this->monthCalendar1->BackColor = System::Drawing::SystemColors::Info;
      this->monthCalendar1->ForeColor = System::Drawing::Color::FromArgb( ((System::Byte)(192)) ),((System::Byte)(0)),((System::Byte)(192));
      this->monthCalendar1->TitleBackColor = System::Drawing::Color::Purple;
      this->monthCalendar1->TitleForeColor = System::Drawing::Color::Yellow;
      this->monthCalendar1->TrailingForeColor = System::Drawing::Color::FromArgb( ((System::Byte)(192)) ),((System::Byte)(192)),((System::Byte)(0));
      
      // Add dates to the AnnuallyBoldedDates array.
      array<System::DateTime>^ temp1 = {System::DateTime( 2002, 4, 20, 0, 0, 0, 0 ),System::DateTime( 2002, 4, 28, 0, 0, 0, 0 ),System::DateTime( 2002, 5, 5, 0, 0, 0, 0 ),System::DateTime( 2002, 7, 4, 0, 0, 0, 0 ),System::DateTime( 2002, 12, 15, 0, 0, 0, 0 ),System::DateTime( 2002, 12, 18, 0, 0, 0, 0 )};
      this->monthCalendar1->AnnuallyBoldedDates = temp1;
      
      // Add dates to BoldedDates array.
      array<System::DateTime>^ temp2 = {System::DateTime( 2002, 9, 26, 0, 0, 0, 0 )};
      this->monthCalendar1->BoldedDates = temp2;
      
      // Add dates to MonthlyBoldedDates array.
      array<System::DateTime>^ temp5 = {System::DateTime( 2002, 1, 15, 0, 0, 0, 0 ),System::DateTime( 2002, 1, 30, 0, 0, 0, 0 )};
      this->monthCalendar1->MonthlyBoldedDates = temp5;
      
      // Configure the calendar to display 3 rows by 4 columns of months.
      this->monthCalendar1->CalendarDimensions = System::Drawing::Size( 4, 3 );
      
      // Set week to begin on Monday.
      this->monthCalendar1->FirstDayOfWeek = System::Windows::Forms::Day::Monday;
      
      // Set the maximum visible date on the calendar to 12/31/2010.
      this->monthCalendar1->MaxDate = System::DateTime( 2010, 12, 31, 0, 0, 0, 0 );
      
      // Set the minimum visible date on calendar to 12/31/2010.
      this->monthCalendar1->MinDate = System::DateTime( 1999, 1, 1, 0, 0, 0, 0 );
      
      // Only allow 21 days to be selected at the same time.
      this->monthCalendar1->MaxSelectionCount = 21;
      
      // Set the calendar to move one month at a time when navigating using the arrows.
      this->monthCalendar1->ScrollChange = 1;
      
      // Do not show the S"Today" banner.
      this->monthCalendar1->ShowToday = false;
      
      // Do not circle today's date.
      this->monthCalendar1->ShowTodayCircle = false;
      
      // Show the week numbers to the left of each week.
      this->monthCalendar1->ShowWeekNumbers = true;
      
      // Add event handlers for the DateSelected and DateChanged events
      this->monthCalendar1->DateSelected += gcnew System::Windows::Forms::DateRangeEventHandler( this, &Form1::monthCalendar1_DateSelected );
      this->monthCalendar1->DateChanged += gcnew System::Windows::Forms::DateRangeEventHandler( this, &Form1::monthCalendar1_DateChanged );
      
      // Set up how the form should be displayed and add the controls to the form.
      this->ClientSize = System::Drawing::Size( 920, 566 );
      array<System::Windows::Forms::Control^>^temp0 = {this->textBox1,this->monthCalendar1};
      this->Controls->AddRange( temp0 );
      this->Text = "Month Calendar Example";
   }


private:
   void monthCalendar1_DateSelected( Object^ /*sender*/, System::Windows::Forms::DateRangeEventArgs^ e )
   {
      
      // Show the start and end dates in the text box.
      this->textBox1->Text = String::Format( "Date Selected: Start = {0} : End = {1}", e->Start.ToShortDateString(), e->End.ToShortDateString() );
   }

   void monthCalendar1_DateChanged( Object^ /*sender*/, System::Windows::Forms::DateRangeEventArgs^ e )
   {
      
      // Show the start and end dates in the text box.
      this->textBox1->Text = String::Format( "Date Changed: Start = {0} : End = {1}", e->Start.ToShortDateString(), e->End.ToShortDateString() );
   }

};


[STAThread]
int main()
{
   Application::Run( gcnew Form1 );
}

using System;
using System.Drawing;
using System.Windows.Forms;

public class Form1 : System.Windows.Forms.Form
{
    private System.Windows.Forms.MonthCalendar monthCalendar1;
    private System.Windows.Forms.TextBox textBox1;

    [STAThread]
    static void Main() 
    {
        Application.Run(new Form1());
    }

    public Form1()
    {
        this.textBox1 = new System.Windows.Forms.TextBox();
        this.textBox1.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
        this.textBox1.Location = new System.Drawing.Point(48, 488);
        this.textBox1.Multiline = true;
        this.textBox1.ReadOnly = true;
        this.textBox1.Size = new System.Drawing.Size(824, 32);

        // Create the calendar.
        this.monthCalendar1 = new System.Windows.Forms.MonthCalendar();

        // Set the calendar location.
        this.monthCalendar1.Location = new System.Drawing.Point(47, 16);

        // Change the color.
        this.monthCalendar1.BackColor = System.Drawing.SystemColors.Info;
        this.monthCalendar1.ForeColor = System.Drawing.Color.FromArgb(
                                 ((System.Byte)(192)), ((System.Byte)(0)), ((System.Byte)(192)));
        this.monthCalendar1.TitleBackColor = System.Drawing.Color.Purple;
        this.monthCalendar1.TitleForeColor = System.Drawing.Color.Yellow;
        this.monthCalendar1.TrailingForeColor = System.Drawing.Color.FromArgb(
                                 ((System.Byte)(192)), ((System.Byte)(192)), ((System.Byte)(0)));

        // Add dates to the AnnuallyBoldedDates array.
        this.monthCalendar1.AnnuallyBoldedDates = 
            new System.DateTime[] { new System.DateTime(2002, 4, 20, 0, 0, 0, 0),
                                    new System.DateTime(2002, 4, 28, 0, 0, 0, 0),
                                    new System.DateTime(2002, 5, 5, 0, 0, 0, 0),
                                    new System.DateTime(2002, 7, 4, 0, 0, 0, 0),
                                    new System.DateTime(2002, 12, 15, 0, 0, 0, 0),
                                    new System.DateTime(2002, 12, 18, 0, 0, 0, 0)};

        // Add dates to BoldedDates array.
        this.monthCalendar1.BoldedDates = new System.DateTime[] {new System.DateTime(2002, 9, 26, 0, 0, 0, 0)};

        // Add dates to MonthlyBoldedDates array.
        this.monthCalendar1.MonthlyBoldedDates = 
           new System.DateTime[] {new System.DateTime(2002, 1, 15, 0, 0, 0, 0),
                                  new System.DateTime(2002, 1, 30, 0, 0, 0, 0)};

        // Configure the calendar to display 3 rows by 4 columns of months.
        this.monthCalendar1.CalendarDimensions = new System.Drawing.Size(4, 3);

        // Set week to begin on Monday.
        this.monthCalendar1.FirstDayOfWeek = System.Windows.Forms.Day.Monday;

        // Set the maximum visible date on the calendar to 12/31/2010.
        this.monthCalendar1.MaxDate = new System.DateTime(2010, 12, 31, 0, 0, 0, 0);

        // Set the minimum visible date on calendar to 12/31/2010.
        this.monthCalendar1.MinDate = new System.DateTime(1999, 1, 1, 0, 0, 0, 0);

        // Only allow 21 days to be selected at the same time.
        this.monthCalendar1.MaxSelectionCount = 21;

        // Set the calendar to move one month at a time when navigating using the arrows.
        this.monthCalendar1.ScrollChange = 1;

        // Do not show the "Today" banner.
        this.monthCalendar1.ShowToday = false;

        // Do not circle today's date.
        this.monthCalendar1.ShowTodayCircle = false;
            
        // Show the week numbers to the left of each week.
        this.monthCalendar1.ShowWeekNumbers = true;

        // Add event handlers for the DateSelected and DateChanged events
        this.monthCalendar1.DateSelected += new System.Windows.Forms.DateRangeEventHandler(this.monthCalendar1_DateSelected);
        this.monthCalendar1.DateChanged += new System.Windows.Forms.DateRangeEventHandler(this.monthCalendar1_DateChanged);

        // Set up how the form should be displayed and add the controls to the form.
        this.ClientSize = new System.Drawing.Size(920, 566);
        this.Controls.AddRange(new System.Windows.Forms.Control[] {this.textBox1, this.monthCalendar1});
        this.Text = "Month Calendar Example";
    }

    private void monthCalendar1_DateSelected(object sender, System.Windows.Forms.DateRangeEventArgs e)
    {
        // Show the start and end dates in the text box.
        this.textBox1.Text = "Date Selected: Start = " +
            e.Start.ToShortDateString() + " : End = " + e.End.ToShortDateString();
    }

    private void monthCalendar1_DateChanged(object sender, System.Windows.Forms.DateRangeEventArgs e)
    {
        // Show the start and end dates in the text box.
        this.textBox1.Text = "Date Changed: Start =  " +
            e.Start.ToShortDateString() + " : End = " + e.End.ToShortDateString();
    }
}

Imports System.Drawing
Imports System.Windows.Forms

Public NotInheritable Class Form1
    Inherits System.Windows.Forms.Form

    Friend WithEvents MonthCalendar1 As System.Windows.Forms.MonthCalendar
    Friend WithEvents TextBox1 As System.Windows.Forms.TextBox

    <System.STAThread()> _
    Public Shared Sub Main()
        System.Windows.Forms.Application.Run(New Form1)
    End Sub

    Public Sub New()
        MyBase.New()

        Me.TextBox1 = New System.Windows.Forms.TextBox
        Me.TextBox1.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle
        Me.TextBox1.Location = New System.Drawing.Point(48, 488)
        Me.TextBox1.Multiline = True
        Me.TextBox1.ReadOnly = True
        Me.TextBox1.Size = New System.Drawing.Size(824, 32)

        ' Create the calendar.
        Me.MonthCalendar1 = New System.Windows.Forms.MonthCalendar

        ' Set the calendar location.
        Me.MonthCalendar1.Location = New System.Drawing.Point(47, 16)

        ' Change the color.
        Me.MonthCalendar1.BackColor = System.Drawing.SystemColors.Info
        Me.MonthCalendar1.ForeColor = System.Drawing.Color.FromArgb( _
                                CType(192, System.Byte), CType(0, System.Byte), CType(192, System.Byte))
        Me.MonthCalendar1.TitleBackColor = System.Drawing.Color.Purple
        Me.MonthCalendar1.TitleForeColor = System.Drawing.Color.Yellow
        Me.MonthCalendar1.TrailingForeColor = System.Drawing.Color.FromArgb( _
                                CType(192, System.Byte), CType(192, System.Byte), CType(0, System.Byte))

        ' Add dates to the AnnuallyBoldedDates array.
        Me.MonthCalendar1.AnnuallyBoldedDates = New System.DateTime() _
                     {New System.DateTime(2002, 4, 20, 0, 0, 0, 0), _
                      New System.DateTime(2002, 4, 28, 0, 0, 0, 0), _
                      New System.DateTime(2002, 5, 5, 0, 0, 0, 0), _
                      New System.DateTime(2002, 7, 4, 0, 0, 0, 0), _
                      New System.DateTime(2002, 12, 15, 0, 0, 0, 0), _ 
                      New System.DateTime(2002, 12, 18, 0, 0, 0, 0)}

        ' Add dates to BoldedDates array.
        Me.MonthCalendar1.BoldedDates = New System.DateTime() {New System.DateTime(2002, 9, 26, 0, 0, 0, 0)}

        ' Add dates to MonthlyBoldedDates array.
        Me.MonthCalendar1.MonthlyBoldedDates = New System.DateTime() _
                     {New System.DateTime(2002, 1, 15, 0, 0, 0, 0), _
                      New System.DateTime(2002, 1, 30, 0, 0, 0, 0)}

        ' Configure the calendar to display 3 rows by 4 columns of months.
        Me.MonthCalendar1.CalendarDimensions = New System.Drawing.Size(4, 3)

        ' Set the week to begin on Monday.
        Me.MonthCalendar1.FirstDayOfWeek = System.Windows.Forms.Day.Monday

        ' Sets the maximum visible date on the calendar to 12/31/2010.
        Me.MonthCalendar1.MaxDate = New System.DateTime(2010, 12, 31, 0, 0, 0, 0)

        ' Set the minimum visible date on the calendar to 12/31/2010.
        Me.MonthCalendar1.MinDate = New System.DateTime(1999, 1, 1, 0, 0, 0, 0)

        ' Only allow 21 days to be selected at the same time.
        Me.MonthCalendar1.MaxSelectionCount = 21

        ' Set the calendar to move one month at a time when navigating using the arrows.
        Me.MonthCalendar1.ScrollChange = 1

        ' Do not show the "Today" banner.
        Me.MonthCalendar1.ShowToday = False

        ' Do not circle today's date.
        Me.MonthCalendar1.ShowTodayCircle = False

        ' Show the week numbers to the left of each week.
        Me.MonthCalendar1.ShowWeekNumbers = True

        ' Set up how the form should be displayed and add the controls to the form.
        Me.ClientSize = New System.Drawing.Size(920, 566)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.TextBox1, Me.MonthCalendar1})
        Me.Text = "Month Calendar Example"

    End Sub

    Private Sub monthCalendar1_DateSelected(ByVal sender As Object, _
                    ByVal e As System.Windows.Forms.DateRangeEventArgs) Handles MonthCalendar1.DateSelected

        ' Show the start and end dates in the text box.
        Me.TextBox1.Text = "Date Selected: Start = " + _
                e.Start.ToShortDateString() + " : End = " + e.End.ToShortDateString()
    End Sub

    Private Sub monthCalendar1_DateChanged(ByVal sender As Object, _
                    ByVal e As System.Windows.Forms.DateRangeEventArgs) Handles MonthCalendar1.DateChanged

        ' Show the start and end dates in the text box.
        Me.TextBox1.Text = "Date Changed: Start = " + _
                e.Start.ToShortDateString() + " : End = " + e.End.ToShortDateString()
    End Sub
End Class

Poznámky

Událost DateChanged nastane, když se změní aktuálně vybrané datum nebo rozsah dat, například když uživatel explicitně změní výběr v aktuálním měsíci nebo když je výběr implicitně změněn v reakci na navigaci v následujícím/předchozím měsíci. Událost DateSelected nastane, když uživatel explicitně změní výběr. Konstruktor DateRangeEventArgs určuje začátek a konec nového vybraného rozsahu dat.

Poznámka

Pokud je vybráno jedno datum, Start hodnoty vlastností a End budou stejné.

Další informace o zpracování událostí najdete v tématu Zpracování a vyvolávání událostí.

Konstruktory

DateRangeEventArgs(DateTime, DateTime)

Inicializuje novou instanci DateRangeEventArgs třídy .

Vlastnosti

End	Získá poslední hodnotu data a času v rozsahu, který uživatel vybral.
Start	Získá první hodnotu data a času v rozsahu, který uživatel vybral.

Metody

Equals(Object)	Určí, zda se zadaný objekt rovná aktuálnímu objektu. (Zděděno od Object)
GetHashCode()	Slouží jako výchozí hashovací funkce. (Zděděno od Object)
GetType()	Type Získá z aktuální instance. (Zděděno od Object)
MemberwiseClone()	Vytvoří mělkou kopii aktuálního Objectsouboru . (Zděděno od Object)
ToString()	Vrátí řetězec, který představuje aktuální objekt. (Zděděno od Object)

Viz také

• DateRangeEventHandler
• MonthCalendar