MonthCalendar.TrailingForeColor プロパティとは何？わかりやすく解説 Weblio辞書

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.NET Framework クラスライブラリリファレンス

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MonthCalendar.TrailingForeColor プロパティ

コントロールに完全に表示されない、月間の日付の色を示す値を取得または設定します。

名前空間: System.Windows.Forms
アセンブリ: System.Windows.Forms (system.windows.forms.dll 内)
構文

Visual Basic (宣言)

Public Property TrailingForeColor As
 Color

Visual Basic (使用法)

Dim instance As MonthCalendar
Dim value As Color

value = instance.TrailingForeColor

instance.TrailingForeColor = value

public Color TrailingForeColor { get; set;
 }

C++

public:
property Color TrailingForeColor {
    Color get ();
    void set (Color value);
}

/** @property */
public Color get_TrailingForeColor ()

/** @property */
public void set_TrailingForeColor (Color value)

JScript

public function get TrailingForeColor
 () : Color

public function set TrailingForeColor
 (value : Color)

プロパティ値
Color。既定値は Color.Gray です。

例外

例外の種類	条件
ArgumentException	値が有効な Color ではありません。

解説

予定表が表示されるとき、完全に表示される月の前と後にも一部の日付が表示されます。TrailingForeColor プロパティを使用して、これらの日付のテキストの色を変更できます。

使用例

1 暦年を表示する MonthCalendar コントロールが配置されたフォームを表示するコード例を次に示します。BackColor、ForeColor、TitleBackColor、TitleForeColor、CalendarDimensions、TrailingForeColor の各プロパティを設定して、予定表コントロールの外観をカスタマイズする例を次に示します。その他のプロパティ、たとえば AnnuallyBoldedDates、BoldedDates、および MonthlyBoldedDates は、どの日付を太字にするかをカスタマイズするために設定されます。また、予定表の形式を変更するために、FirstDayOfWeek、MaxDate、MinDate、MaxSelectionCount の各プロパティも設定します。DateSelected イベントおよび DateChanged イベントも処理され、ステータスがフォームに表示されます。

Visual Basic

Imports System
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 'Main

    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

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();
    }
}

C++

#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 );
}

import System.*;
import System.Drawing.*;
import System.Windows.Forms.*;

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

    /** @attribute STAThread()
     */
    public static void main(String[]
 args)
    {
        Application.Run(new Form1());
    } //main

    public Form1()
    {
        this.textBox1 = new System.Windows.Forms.TextBox();
        this.textBox1.set_BorderStyle(
            System.Windows.Forms.BorderStyle.FixedSingle);
        this.textBox1.set_Location(new System.Drawing.Point(48,
 488));
        this.textBox1.set_Multiline(true);
        this.textBox1.set_ReadOnly(true);
        this.textBox1.set_Size(new System.Drawing.Size(824,
 32));
        // Create the calendar.
        this.monthCalendar1 = new System.Windows.Forms.MonthCalendar();
        // Set the calendar location.
        this.monthCalendar1.set_Location(new
 System.Drawing.Point(47, 16));
        // Change the color.
        this.monthCalendar1.set_BackColor(
            System.Drawing.SystemColors.get_Info());
        this.monthCalendar1.set_ForeColor(
            System.Drawing.Color.FromArgb(192, 0, 192));
        this.monthCalendar1.set_TitleBackColor(System.Drawing.Color.get_Purple());
        this.monthCalendar1.set_TitleForeColor(System.Drawing.Color.get_Yellow());
        this.monthCalendar1.set_TrailingForeColor(
            System.Drawing.Color.FromArgb(192, 192, 0));
        // Add dates to the AnnuallyBoldedDates array.
        this.monthCalendar1.set_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.set_BoldedDates(new
 System.DateTime[] {
            new System.DateTime(2002, 9, 26, 0, 0, 0, 0) });
        // Add dates to MonthlyBoldedDates array.
        this.monthCalendar1.set_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.set_CalendarDimensions(new
 System.Drawing.Size(4, 3));
        // Set week to begin on Monday.
        this.monthCalendar1.set_FirstDayOfWeek(System.Windows.Forms.Day.Monday);
        // Set the maximum visible date on the calendar to 12/31/2010.
        this.monthCalendar1.set_MaxDate(
            new System.DateTime(2010, 12, 31, 0, 0, 0, 0));
        // Set the minimum visible date on calendar to 12/31/2010.
        this.monthCalendar1.set_MinDate(
            new System.DateTime(1999, 1, 1, 0, 0, 0, 0));
        // Only allow 21 days to be selected at the same time.
        this.monthCalendar1.set_MaxSelectionCount(21);
        // Set the calendar to move one month at a time when navigating
        // using the arrows.
        this.monthCalendar1.set_ScrollChange(1);
        // Do not show the "Today" banner.
        this.monthCalendar1.set_ShowToday(false);
        // Do not circle today's date.
        this.monthCalendar1.set_ShowTodayCircle(false);
        // Show the week numbers to the left of each week.
        this.monthCalendar1.set_ShowWeekNumbers(true);
        // Add event handlers for the DateSelected and DateChanged events
        this.monthCalendar1.add_DateSelected(
            new System.Windows.Forms.DateRangeEventHandler(
            this.monthCalendar1_DateSelected));
        this.monthCalendar1.add_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.set_ClientSize(new System.Drawing.Size(920,
 566));
        this.get_Controls().AddRange(new System.Windows.Forms.Control[]
 {
            this.textBox1, this.monthCalendar1
 });
        this.set_Text("Month Calendar Example");
    } //Form1

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

    private void monthCalendar1_DateChanged(Object
 sender,
        System.Windows.Forms.DateRangeEventArgs e)
    {
        // Show the start and end dates in the text box.
        this.textBox1.set_Text("Date Changed: Start =  "
            + e.get_Start().ToShortDateString() + " : End = "
            + e.get_End().ToShortDateString());
    } //monthCalendar1_DateChanged
} //Form1

プラットフォーム

Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

開発プラットフォームの中には、.NET Framework によってサポートされていないバージョンがあります。サポートされているバージョンについては、「システム要件」を参照してください。

バージョン情報

.NET Framework
サポート対象 : 2.0、1.1、1.0

参照

関連項目
MonthCalendar クラス
MonthCalendar メンバ
System.Windows.Forms 名前空間

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MonthCalendar.TrailingForeColor プロパティとは？わかりやすく解説