Re: Panel Image

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Hi guys,

I have a panel on a form.
If I set the background image of the panel when I run my app on windows XP I get the following error.

************** Exception Text **************
System.ArgumentException: Parameter is not valid.
   at System.Drawing.Image.get_Flags()
   at System.Windows.Forms.ControlPaint.IsImageTransparent(Image backgroundImage)
   at System.Windows.Forms.Control.set_BackgroundImageLayout(ImageLayout value)
   at TestCrashApp.frmMessage.InitializeComponent() in C:\Projects\Test Projects\TestCrashApp\TestCrashApp\frmMessage.Designer.vb:line 34
   at TestCrashApp.frmMessage..ctor()
   at TestCrashApp.Form1.Button1_Click(Object sender, EventArgs e) in C:\Projects\Test Projects\TestCrashApp\TestCrashApp\Form1.vb:line 5
   at System.Windows.Forms.Control.OnClick(EventArgs e)
   at System.Windows.Forms.Button.OnClick(EventArgs e)
   at System.Windows.Forms.Button.OnMouseUp(MouseEventArgs mevent)
   at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
   at System.Windows.Forms.Control.WndProc(Message& m)
   at System.Windows.Forms.ButtonBase.WndProc(Message& m)
   at System.Windows.Forms.Button.WndProc(Message& m)
   at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
   at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
   at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)

If I remove the background image it runs fine.

The app runs fine on windows 7 also.

Any ideas what I can do to resolve this.

Cheers Guys

Posted 26-Jul-10 22:31pm

tiggerc

Updated 26-Jul-10 22:36pm

Dalek Dave

v2

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Dalek Dave 27-Jul-10 4:36am

Edited for Readability, Spelling and Grammar.

tiggerc 27-Jul-10 4:42am

Cheers Dave!, I'm not very good at spelling.

DaveAuld 27-Jul-10 4:43am

Have you tried loading the image at runtime and seeing if the crash still occurs?

2 solutions

Solution 2

I had an issue with the actual image, it was a Jpeg, but i don't think XP like the Jpeg, I converted the image to Bitmap, and it works fine now, thanks for the input guys.

Posted 26-Jul-10 23:41pm

tiggerc

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Scubapro · Accepted Answer · 2010-07-26T22:50:00

Solution 1

Since you do not have a System.Windows.Forms.PaintEventArgs
error, I'm just wondering if you have set the background in a
Panel1.paint subroutine?

Panel1_Paint(ByVal sender As System.Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles Panel1.Paint

If yes, then please show some code and where the error occurs!

Posted 26-Jul-10 22:50pm

Scubapro

Comments

tiggerc 27-Jul-10 5:40am

I hadn't set the image in an on paint event I had set the image at design time, after some messign about, I resolved this see answer below.