Help.ShowPopup(Control, String, Point) Método

Definição

Namespace:

System.Windows.Forms

Assembly:

System.Windows.Forms.dll

Exibe uma janela pop-up de Ajuda.

public:
 static void ShowPopup(System::Windows::Forms::Control ^ parent, System::String ^ caption, System::Drawing::Point location);

public static void ShowPopup (System.Windows.Forms.Control? parent, string caption, System.Drawing.Point location);

static member ShowPopup : System.Windows.Forms.Control * string * System.Drawing.Point -> unit

Public Shared Sub ShowPopup (parent As Control, caption As String, location As Point)

Parâmetros

parent

Control

Um Control que identifica o pai da caixa de diálogo de Ajuda.

caption

String

A mensagem a ser exibida na janela pop-up.

location

Point

Um valor que especifica as coordenadas horizontais e verticais nas quais exibir a janela pop-up, em relação ao canto superior esquerdo da tela.

Exemplos

O exemplo de código a seguir usa o KeyUp evento com a Help classe para exibir a ajuda de estilo pop-up para o usuário.

   // This example demonstrates how to use the KeyUp event with the Help class to display
   // pop-up style help to the user of the application. When the user presses F1, the Help
   // class displays a pop-up window, similar to a ToolTip, near the control. This example assumes
   // that a TextBox control, named textBox1, has been added to the form and its KeyUp
   // event has been connected to this event handler method.
private:
   void textBox1_KeyUp( Object^ /*sender*/, System::Windows::Forms::KeyEventArgs^ e )
   {
      
      // Determine whether the key entered is the F1 key. Display help if it is.
      if ( e->KeyCode == Keys::F1 )
      {
         
         // Display a pop-up help topic to assist the user.
         Help::ShowPopup( textBox1, "Enter your first name", Point(textBox1->Right,this->textBox1->Bottom) );
      }
   }

// This example demonstrates how to use the KeyUp event with the Help class to display
// pop-up style help to the user of the application. When the user presses F1, the Help
// class displays a pop-up window, similar to a ToolTip, near the control. This example assumes
// that a TextBox control, named textBox1, has been added to the form and its KeyUp
// event has been contected to this event handler method.
private void textBox1_KeyUp(object sender, System.Windows.Forms.KeyEventArgs e)
{
    // Determine whether the key entered is the F1 key. Display help if it is.
    if(e.KeyCode == Keys.F1)
    {
        // Display a pop-up help topic to assist the user.
        Help.ShowPopup(textBox1, "Enter your first name", new Point(textBox1.Right, this.textBox1.Bottom));
    }
}

' This example demonstrates how to use the KeyUp event with the Help class to display
' pop-up style help to the user of the application. When the user presses F1, the Help
' class displays a pop-up window, similar to a ToolTip, near the control. This example assumes
' that a TextBox control, named textBox1, has been added to the form and its KeyUp
' event has been contected to this event handler method.
Private Sub textBox1_KeyUp(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles textBox1.KeyUp
    ' Determine whether the key entered is the F1 key. Display help if it is.
    If e.KeyCode = Keys.F1 Then
        ' Display a pop-up help topic to assist the user.
        Help.ShowPopup(textBox1, "Enter your first name", New Point(textBox1.Right, Me.textBox1.Bottom))
    End If
End Sub

Confira também

• ShowHelp(Control, String)
• ShowHelpIndex(Control, String)