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rect (Structures)
.
C# Signature:
[Serializable, StructLayout(LayoutKind.Sequential)]
public struct RECT
{
public int left;
public int top;
public int right;
public int bottom;
public RECT(int left, int top, int right, int bottom)
{
this.left = left;
this.top = top;
this.right = right;
this.bottom = bottom;
}
public int Height
{
get { return (bottom - top); }
}
public int Width
{
get { return (right - left); }
}
public Size Size
{
get { return new Size(Width, Height); }
}
public Point Location
{
get { return new Point(left, top); }
}
// Handy method for converting to a System.Drawing.Rectangle
public Rectangle ToRectangle()
{
return Rectangle.FromLTRB(left, top, right, bottom);
}
public static RECT FromRectangle(Rectangle rectangle)
{
return new RECT(rectangle.Left, rectangle.Top, rectangle.Right, rectangle.Bottom);
}
}
VB Definition:
<Serializable, StructLayout(LayoutKind.Sequential)> _
Public Structure Rect
Public Left As Integer
Public Top As Integer
Public Right As Integer
Public Bottom As Integer
Public Overrides Function ToString() As String
ToString = String.Format("({0},{1})-({2},{3})", Left, Top, Right, Bottom)
End Function
'Conversion to rectangle
Public ReadOnly Property Rectangle() As Rectangle
Get
Return Rectangle.FromLTRB(Left, Top, Right, Bottom)
End Get
End Property
End Structure
Notes:
This can be used when a PInvoke signature requires a "Win32 Rectangle" otherwise you should be using System.Drawing.Rectangle. Note that a Win32 rectangle is specified by two opposite corners (LTRB), while a .NET rectangle is specified by one corner and width/height (LTWH).
The mechanism provided by the CLR that enables managed code to call static DLL exports.k
10/27/2022 9:24:28 PM - 114.37.143.20
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