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Changed by [EMAIL PROTECTED] http://bugzilla.ximian.com/show_bug.cgi?id=80451 --- shadow/80451 2007-01-17 19:46:09.000000000 -0500 +++ shadow/80451.tmp.19891 2007-01-18 03:25:29.000000000 -0500 @@ -1,13 +1,13 @@ Bug#: 80451 Product: Mono: Class Libraries Version: 1.2 OS: other OS Details: -Status: RESOLVED -Resolution: FIXED +Status: REOPENED +Resolution: Severity: Unknown Priority: Normal Component: Windows.Forms AssignedTo: [EMAIL PROTECTED] ReportedBy: [EMAIL PROTECTED] QAContact: [EMAIL PROTECTED] @@ -54,6 +54,38 @@ ------- Additional Comments From [EMAIL PROTECTED] 2007-01-17 19:46 ------- If the control has a transparent background, we need to refresh it when it moves and when it's parent's background image changes. Fixed in r71236. + +------- Additional Comments From [EMAIL PROTECTED] 2007-01-18 03:25 ------- +The test works now. However, the documentation for +ControlStyles.SupportsTransparentBackColor says it should work for +any color with alpha less than 255. +Here is a new test. +using System; +using System.Drawing; +using System.Windows.Forms; +class TestForm : Form { + static void Main() { + Application.Run(new TestForm()); + } + public TestForm() { + BackgroundImage = Icon.ToBitmap(); + TransparentControl c = new TransparentControl(); + c.BackColor = Color.FromArgb(200, Color.Red); + c.Width = 100; + c.Dock = DockStyle.Right; + Controls.Add(c); + } + protected override void OnClick(EventArgs e) { + base.OnClick(e); + BackgroundImage = null; + } + class TransparentControl : Control { + public TransparentControl() { + SetStyle(ControlStyles.SupportsTransparentBackColor, +true); + } + } +} _______________________________________________ mono-bugs maillist - [email protected] http://lists.ximian.com/mailman/listinfo/mono-bugs
