VisualStyleRenderer.HitTestBackground Method (IDeviceContext, Rectangle, IntPtr, Point, HitTestOptions)
.NET Framework 4
Returns a hit test code indicating whether the point is contained in the background of the current visual style element and within the specified region.
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)
public HitTestCode HitTestBackground(
IDeviceContext dc,
Rectangle backgroundRectangle,
IntPtr hRgn,
Point pt,
HitTestOptions options
)
Parameters
- dc
- Type: System.Drawing.IDeviceContext
The IDeviceContext this operation will use.
- backgroundRectangle
- Type: System.Drawing.Rectangle
A Rectangle that contains the background of the current visual style element.
- hRgn
- Type: System.IntPtr
A Windows handle to a Region that specifies the bounds of the hit test area within the background.
- pt
- Type: System.Drawing.Point
The Point to test.
- options
- Type: System.Windows.Forms.VisualStyles.HitTestOptions
A bitwise combination of the HitTestOptions values.
Return Value
Type: System.Windows.Forms.VisualStyles.HitTestCodeA HitTestCode that describes where pt is located in the background of the current visual style element.
| Exception | Condition |
|---|---|
| ArgumentNullException |
dc is null. |
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
