This morning I stumbled over a weird issue in Visual Studio’s Windows Forms designer. I have a form which worked for about a month now without changes. It looks like this in the application:
(text made unreadable because I’m not entirely sure of the legal implications here).
Now starting today, apparently (I think I had the form open in the designer yesterday without problems) it looks like this in the designer:
Looking at the diff, every control (or nearly every one—labels were not affected, but that may be related to AutoSize) got a width of 311 pixels. Lines like the following are common throughout the file after the designer messed with it:
this.panel1.Size = new System.Drawing.Size(311, 24);
Wherever that value comes from. Furthermore one label got the interesting text "潐瑲⼠倠獯瑩潩㩮攀瑵慲ⱬ" (it doesn’t make any more sense in its raw bytes).
When I don’t open the form in the designer nothing bad happens, the project even builds when the files are untouched and it looks fine when running the program. But opening the designer triggers aforementioned changes in the designer-generated code and those changes persist when compiling (obviously).
On a co-worker’s machine this doesn’t happen at all (yet he can’t open datasets without crashing VS, so perhaps both setups here are a little weird …).
I seriously wonder what’s going on here. Any ideas?
ETA: I can’t change size of the controls in the designer once it went on its resizing rampage. Resizing merely causes some visual artifacts as if the control was resized but it’s still at 311 px width when checking.
ETA 2: Weirdly enough: Opening the designer (causes corruption, so far so good), then going into pending changes with AnkhSVN and reverting all changes to the files reverts the corruption too. The form looks like it should even in the designer. Until I close and re-open it again.
I found the culprit. I recently installed RockScroll. And while I couldn’t directly link that behavior to RockScroll I noticed that some forms had the scrollbar replacement of it drawn over them. And controls on that form changed size without reason.
Uninstalled RockScroll and it solved the problem. Thanks for all the input, anyway.