ControlCollection.Contains Method (Object)
Determines whether the specified control is a member of the ControlCollection instance.
Namespace: Microsoft.Office.Tools.Excel
Assembly: Microsoft.Office.Tools.Excel (in Microsoft.Office.Tools.Excel.dll)
Syntax
'Declaration
Function Contains ( _
control As Object _
) As Boolean
bool Contains(
Object control
)
Parameters
- control
Type: System.Object
The control that you want to search for in the ControlCollection instance.
Return Value
Type: System.Boolean
true if the control was found in the collection; otherwise, false.
Examples
The following code example adds a Button control to the top of the worksheet, and then displays the index of the button in a message box.
Private Sub ExcelControlIndexOf()
Dim Button1 As Microsoft.Office.Tools.Excel. _
Controls.Button = Me.Controls.AddButton( _
0, 0, 56.25, 17.25, "Button1")
Button1.Text = "OK"
If Me.Controls.Contains(Button1) Then
MessageBox.Show("The index of Button1 is " _
& Controls.IndexOf(Button1))
End If
End Sub
private void ExcelControlIndexOf()
{
Microsoft.Office.Tools.Excel.Controls.Button button1 =
this.Controls.AddButton(0, 0, 56.25, 17.25,
"button1");
button1.Text = "OK";
if (this.Controls.Contains(button1))
{
MessageBox.Show("The index of button1 is " +
Controls.IndexOf(button1));
}
}
.NET Framework Security
- Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.