Note
Access to this page requires authorization. You can try signing in or .
Access to this page requires authorization. You can try .
Control.SetTopLevel(Boolean) Method
Definition
- Namespace:
- System.Windows.Forms
- Assembly:
- System.Windows.Forms.dll
- Source:
- Control.cs
- Source:
- Control.cs
- Source:
- Control.cs
- Source:
- Control.cs
- Source:
- Control.cs
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Sets the control as the top-level control.
protected:
void SetTopLevel(bool value);protected void SetTopLevel(bool value);member this.SetTopLevel : bool -> unitProtected Sub SetTopLevel (value As Boolean)Parameters
- value
- Boolean
true to set the control as the top-level control; otherwise, false.
Exceptions
The value parameter is set to true and the control is an ActiveX control.
The GetTopLevel() return value is not equal to the value parameter and the Parent property is not null.
Remarks
If you call the SetTopLevel method of a Form and pass in a value of false, the form will not be visible until you call SetTopLevel again, passing in a value of true.
Applies to
See also
Feedback
Was this page helpful?