[Mono-bugs] [Bug 477408] New: MaskedTextBox: Doesn't handle invalid input correctly
bugzilla_noreply at novell.com
bugzilla_noreply at novell.com
Wed Feb 18 15:20:37 EST 2009
https://bugzilla.novell.com/show_bug.cgi?id=477408
Summary: MaskedTextBox: Doesn't handle invalid input correctly
Classification: Mono
Product: Mono: Class Libraries
Version: 2.4.x
Platform: i686
OS/Version: openSUSE 11.0
Status: NEW
Severity: Normal
Priority: P5 - None
Component: Windows.Forms
AssignedTo: mono-bugs at lists.ximian.com
ReportedBy: btaylor1 at novell.com
QAContact: mono-bugs at lists.ximian.com
Found By: ---
On Windows, MaskedTextBox fails silently if you set Text to, for example, an
"a" character when Mask only accepts numeric values. mono-2-4 branch, r127291
and Mono 1.9.1 both crash with an ArgumentOutOfRangeException.
Steps to reproduce:
1. Compile and run the attached sample.
2. Press "Click Me"
Results:
System.ArgumentOutOfRangeException: Cannot be negative.
Parameter name: length
at System.String.Substring (Int32 startIndex, Int32 length) [0x00000]
at System.Windows.Forms.MaskedTextBox.InputText (System.String text, Boolean
overwrite, Boolean clear) [0x00000]
at System.Windows.Forms.MaskedTextBox.set_Text (System.String value)
[0x00000]
at MaskedTextBoxTest+TestForm+<TestForm>c__AnonStorey0.<>m__0 (System.Object
, System.EventArgs ) [0x00000]
at (wrapper delegate-invoke)
System.EventHandler:invoke_void__this___object_EventArgs
(object,System.EventArgs)
at System.Windows.Forms.Control.OnClick (System.EventArgs e) [0x00000]
at System.Windows.Forms.Button.OnClick (System.EventArgs e) [0x00000]
at System.Windows.Forms.ButtonBase.OnMouseUp
(System.Windows.Forms.MouseEventArgs mevent) [0x00000]
at System.Windows.Forms.Button.OnMouseUp (System.Windows.Forms.MouseEventArgs
mevent) [0x00000]
at System.Windows.Forms.Control.WmLButtonUp (System.Windows.Forms.Message& m)
[0x00000]
at System.Windows.Forms.Control.WndProc (System.Windows.Forms.Message& m)
[0x00000]
at System.Windows.Forms.ButtonBase.WndProc (System.Windows.Forms.Message& m)
[0x00000]
at System.Windows.Forms.Button.WndProc (System.Windows.Forms.Message& m)
[0x00000]
at System.Windows.Forms.Control+ControlWindowTarget.OnMessage
(System.Windows.Forms.Message& m) [0x00000]
at System.Windows.Forms.Control+ControlNativeWindow.WndProc
(System.Windows.Forms.Message& m) [0x00000]
at System.Windows.Forms.NativeWindow.WndProc (IntPtr hWnd, Msg msg, IntPtr
wParam, IntPtr lParam) [0x00000]
Expected Results:
Nothing happens, and the MaskInputRejected handler should be fired.
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