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.NET Framework 4.5
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System.Windows Namespaces
System.Windows.Forms
Control Class
Control Properties
AccessibilityObject Property
AccessibleDefaultActionDescription Property
AccessibleDescription Property
AccessibleName Property
AccessibleRole Property
AllowDrop Property
Anchor Property
AutoScrollOffset Property
AutoSize Property
BackColor Property
BackgroundImage Property
BackgroundImageLayout Property
BindingContext Property
Bottom Property
Bounds Property
CanEnableIme Property
CanFocus Property
CanRaiseEvents Property
CanSelect Property
Capture Property
CausesValidation Property
CheckForIllegalCrossThreadCalls Property
ClientRectangle Property
ClientSize Property
CompanyName Property
ContainsFocus Property
ContextMenu Property
ContextMenuStrip Property
Controls Property
Created Property
CreateParams Property
Cursor Property
DataBindings Property
DefaultBackColor Property
DefaultCursor Property
DefaultFont Property
DefaultForeColor Property
DefaultImeMode Property
DefaultMargin Property
DefaultMaximumSize Property
DefaultMinimumSize Property
DefaultPadding Property
DefaultSize Property
DisplayRectangle Property
Disposing Property
Dock Property
DoubleBuffered Property
Enabled Property
Focused Property
Font Property
FontHeight Property
ForeColor Property
Handle Property
HasChildren Property
Height Property
ImeMode Property
ImeModeBase Property
InvokeRequired Property
IsAccessible Property
IsDisposed Property
IsHandleCreated Property
IsMirrored Property
LayoutEngine Property
Left Property
Location Property
Margin Property
MaximumSize Property
MinimumSize Property
ModifierKeys Property
MouseButtons Property
MousePosition Property
Name Property
Padding Property
Parent Property
PreferredSize Property
ProductName Property
ProductVersion Property
PropagatingImeMode Property
RecreatingHandle Property
Region Property
RenderRightToLeft Property
ResizeRedraw Property
Right Property
RightToLeft Property
ScaleChildren Property
ShowFocusCues Property
ShowKeyboardCues Property
Site Property
Size Property
TabIndex Property
TabStop Property
Tag Property
Text Property
Top Property
TopLevelControl Property
UseWaitCursor Property
Visible Property
Width Property
WindowTarget Property
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Control.ContainsFocus Property

.NET Framework 4.5

Gets a value indicating whether the control, or one of its child controls, currently has the input focus.

Namespace:  System.Windows.Forms
Assembly:  System.Windows.Forms (in System.Windows.Forms.dll)
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[BrowsableAttribute(false)]
public bool ContainsFocus { get; }

Property Value

Type: System.Boolean
true if the control or one of its child controls currently has the input focus; otherwise, false.

You can use this property to determine whether a control or any of the controls contained within it has the input focus. To determine whether the control has focus, regardless of whether any of its child controls have focus, use the Focused property. To give a control the input focus, use the Focus or Select methods.

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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