Share this
Introduction
Looking to create a truly transparent user control or subclass an existing control.
C#
public class TransparentPanel : Panel { protected override CreateParams CreateParams { get { CreateParams cp = base.CreateParams; cp.ExStyle |= 0x00000020; // WS_EX_TRANSPARENT return cp; } } protected override void OnPaint(PaintEventArgs e) { e.Graphics.FillRectangle(new SolidBrush(this.BackColor), this.ClientRectangle); } }
VB.Net
Public Class TransparentPanel Inherits Panel Protected Overrides ReadOnly Property CreateParams() As System.Windows.Forms.CreateParams Get Dim cp As CreateParams = MyBase.CreateParams cp.ExStyle = cp.ExStyle Or &H20 ''#WS_EX_TRANSPARENT Return cp End Get End Property Protected Overrides Sub OnPaintBackground(ByVal e As System.Windows.Forms.PaintEventArgs) ''#MyBase.OnPaintBackground(e) End Sub End Class
Share this
Article Rating:



(No Ratings Yet)
Loading...





