InvalidateViewer(RectangleF) Method (VisualTool)

In This Topic

Invalidates the specified region of the ImageViewer, and causes a paint message to be sent to the ImageViewer.

Syntax

Visual Basic
C#
Managed Extensions for C++
C++/CLI

'Declaration

Protected Overloads Sub InvalidateViewer( _
   ByVal rectA System.Drawing.Rectangle that represents the region to invalidate.
 As System.Drawing.RectangleF _
)

protected void InvalidateViewer(
   System.Drawing.RectangleF rect
)

protected: void InvalidateViewer(
   System.Drawing.RectangleF* rect
)

protected:
void InvalidateViewer(
   System.Drawing.RectangleF^ rect
)

Parameters

rect: A System.Drawing.Rectangle that represents the region to invalidate.

Requirements

Target Platforms: .NET9; .NET 8; .NET 7; .NET 6; .NET Framework 4.8, 4.7, 4.6, 4.5, 4.0, 3.5

Reference

VisualTool Class
VisualTool Members

Overload List

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