ScrollBars Enum
Definition
Viktigt
En del information gäller för förhandsversionen av en produkt och kan komma att ändras avsevärt innan produkten blir allmänt tillgänglig. Microsoft lämnar inga garantier, uttryckliga eller underförstådda, avseende informationen som visas här.
Anger vilka rullningslister som ska visas på en kontroll.
public enum class ScrollBars
public enum ScrollBars
type ScrollBars =
Public Enum ScrollBars
- Arv
Fält
| Name | Värde | Description |
|---|---|---|
| None | 0 | Inga rullningslister visas. |
| Horizontal | 1 | Endast vågräta rullningslister visas. |
| Vertical | 2 | Endast lodräta rullningslister visas. |
| Both | 3 | Både vågräta och lodräta rullningslister visas. |
Exempel
Följande kodexempel visar hur du använder ScrollBars uppräkningen. Om du vill köra exemplet klistrar du in följande kod i ett formulär.
SetFourDifferentScrollBars Anropa metoden i formulärets konstruktor- eller Load händelsehanteringsmetod.
// Declare four textboxes.
internal:
System::Windows::Forms::TextBox^ vertical;
System::Windows::Forms::TextBox^ horizontal;
System::Windows::Forms::TextBox^ both;
System::Windows::Forms::TextBox^ none;
private:
void SetFourDifferentScrollBars()
{
this->vertical = gcnew System::Windows::Forms::TextBox;
this->horizontal = gcnew System::Windows::Forms::TextBox;
this->both = gcnew System::Windows::Forms::TextBox;
this->none = gcnew System::Windows::Forms::TextBox;
// Create a string for the Text property.
String^ startString = "The scroll bar style for my textbox is: ";
// Set the location of the four textboxes.
horizontal->Location = Point(10,10);
vertical->Location = Point(10,70);
none->Location = Point(10,170);
both->Location = Point(10,110);
// For horizonal scroll bars, the Multiline property must
// be true and the WordWrap property must be false.
// Increase the size of the Height property to ensure the
// scroll bar is visible.
horizontal->ScrollBars = ScrollBars::Horizontal;
horizontal->Multiline = true;
horizontal->WordWrap = false;
horizontal->Height = 40;
horizontal->Text = String::Concat( startString, ScrollBars::Horizontal );
// For the vertical scroll bar, Multiline must be true.
vertical->ScrollBars = ScrollBars::Vertical;
vertical->Multiline = true;
vertical->Text = String::Concat( startString, ScrollBars::Vertical );
// For both scroll bars, the Multiline property
// must be true, and the WordWrap property must be false.
// Increase the size of the Height property to ensure the
// scroll bar is visible.
both->ScrollBars = ScrollBars::Both;
both->Multiline = true;
both->WordWrap = false;
both->Height = 40;
both->AcceptsReturn = true;
both->Text = String::Concat( startString, ScrollBars::Both );
// The none scroll bar does not require specific
// property settings.
none->ScrollBars = ScrollBars::None;
none->Text = String::Concat( startString, ScrollBars::None );
// Add the textboxes to the form.
this->Controls->Add( this->vertical );
this->Controls->Add( this->horizontal );
this->Controls->Add( this->both );
this->Controls->Add( this->none );
}
// Declare four textboxes.
internal System.Windows.Forms.TextBox vertical;
internal System.Windows.Forms.TextBox horizontal;
internal System.Windows.Forms.TextBox both;
internal System.Windows.Forms.TextBox none;
private void SetFourDifferentScrollBars()
{
this.vertical = new System.Windows.Forms.TextBox();
this.horizontal = new System.Windows.Forms.TextBox();
this.both = new System.Windows.Forms.TextBox();
this.none = new System.Windows.Forms.TextBox();
// Create a string for the Text property.
string startString = "The scroll bar style for my textbox is: ";
// Set the location of the four textboxes.
horizontal.Location = new Point(10, 10);
vertical.Location = new Point(10, 70);
none.Location = new Point(10, 170);
both.Location = new Point(10, 110);
// For horizonal scroll bars, the Multiline property must
// be true and the WordWrap property must be false.
// Increase the size of the Height property to ensure the
// scroll bar is visible.
horizontal.ScrollBars = ScrollBars.Horizontal;
horizontal.Multiline = true;
horizontal.WordWrap = false;
horizontal.Height = 40;
horizontal.Text = startString +
ScrollBars.Horizontal.ToString();
// For the vertical scroll bar, Multiline must be true.
vertical.ScrollBars = ScrollBars.Vertical;
vertical.Multiline = true;
vertical.Text = startString + ScrollBars.Vertical.ToString();
// For both scroll bars, the Multiline property
// must be true, and the WordWrap property must be false.
// Increase the size of the Height property to ensure the
// scroll bar is visible.
both.ScrollBars = ScrollBars.Both;
both.Multiline = true;
both.WordWrap = false;
both.Height = 40;
both.AcceptsReturn = true;
both.Text = startString + ScrollBars.Both.ToString();
// The none scroll bar does not require specific
// property settings.
none.ScrollBars = ScrollBars.None;
none.Text = startString + ScrollBars.None.ToString();
// Add the textboxes to the form.
this.Controls.Add(this.vertical);
this.Controls.Add(this.horizontal);
this.Controls.Add(this.both);
this.Controls.Add(this.none);
}
' Declare four textboxes.
Friend WithEvents vertical As System.Windows.Forms.TextBox
Friend WithEvents horizontal As System.Windows.Forms.TextBox
Friend WithEvents both As System.Windows.Forms.TextBox
Friend WithEvents none As System.Windows.Forms.TextBox
Private Sub SetFourDifferentScrollBars()
Me.vertical = New System.Windows.Forms.TextBox
Me.horizontal = New System.Windows.Forms.TextBox
Me.both = New System.Windows.Forms.TextBox
Me.none = New System.Windows.Forms.TextBox
' Create a string for the Text property.
Dim startString As String = _
"The scroll bar style for my textbox is: "
' Set the location of the four textboxes.
horizontal.Location = New Point(10, 10)
vertical.Location = New Point(10, 70)
none.Location = New Point(10, 170)
both.Location = New Point(10, 110)
' For horizonal scroll bars, the Multiline property must
' be true and the WordWrap property must be false.
' Increase the size of the Height property to ensure the
' scroll bar is visible.
horizontal.ScrollBars = ScrollBars.Horizontal
horizontal.Multiline = True
horizontal.WordWrap = False
horizontal.Height = 40
horizontal.Text = startString & ScrollBars.Horizontal.ToString()
' For the vertical scroll bar, Multiline must be true.
vertical.ScrollBars = ScrollBars.Vertical
vertical.Multiline = True
vertical.Text = startString & ScrollBars.Vertical.ToString()
' For both scroll bars, the Multiline property
' must be true, and the WordWrap property must be false.
' Increase the size of the Height property to ensure the
' scroll bar is visible.
both.ScrollBars = ScrollBars.Both
both.Multiline = True
both.WordWrap = False
both.Height = 40
both.AcceptsReturn = True
both.Text = startString & ScrollBars.Both.ToString()
' The none scroll bar does not require specific
' property settings.
none.ScrollBars = ScrollBars.None
none.Text = startString & ScrollBars.None.ToString()
' Add the textboxes to the form.
Me.Controls.Add(Me.vertical)
Me.Controls.Add(Me.horizontal)
Me.Controls.Add(Me.both)
Me.Controls.Add(Me.none)
End Sub
Kommentarer
Den här uppräkningen används av TextBox.ScrollBars.
Alla kontroller stöder inte rullningslister. Använd den här uppräkningen för att ange vilka rullningslister som ska visas på en kontroll, antingen under vissa eller alla omständigheter.