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Environment: Visual C++ 6
Ever got frustrated with only being able to use 16 colours in the developer studio IDE? A solution to the problem was posted to codeguru recently (in the tips section) that addressed this by hacking the registry, but this required restarting the IDE to update the colours.
- Build the DevTrueColour.dsp project OR copy DevTrueColour.dll into program files\microsoft visual studio\common\msdev98\addins
- Open Tools | Customize | Add-ins and Macro Files and tick DevTrueColour.
- Tools | Options | Format. You should have 2 replacement combo boxes for the colours
Under certain circumstances, the colour pickers don't update. This seems to be due to having different colours for items that appear in more than one category. Eg. If Bookmark is set to red in Output Window and green in Source Windows, then All Windows is selected, the colour pickers don't update. This appears to be a feature of Developer Studio, as it happens without the addin enabled!
I have only been able to test the addin in VC6.0. It should work in 5.0, but if it doesn't you are welcome to fix it and I will incorporate any changes into the original.
How it works:
The colour combo boxes on the Format page are owner draw controls, with the item data containing a COLORREF, or 0x8000000 if Automatic is selected. It we can change the item data value we can use the combo box as a means of injecting any colour we want into developer studio.
On loading, the addin registers a thread wide window proc hook, which it uses to wait for WM_INITDIALOG on the Format tab of the options. Unfortunately the title of the Format child dialog isn't set at this point, so we have to use the existence of a couple of child controls to verify the identity of the page.
The original combo boxes are hidden, and the colour picker combo's are created. I had to put these in modeless child dialogs to get message reflection to work, which is a bit messy, but this had the side effect of allowing easier access to the colour picker notification messages.
Whenever the colour picker closes, the corresponding hidden combo box has item 0's data set to the new colour and a couple a fake key presses sent to it (VK_END followed by VK_HOME) to update the sample text.
The hook procedure also catches CB_FINDSTRINGEXACT, which is used to update the colour pickers, and WM_DESTROY, which is used for cleaning up when the property sheet is closed.
Date Last Updated: April 19, 1999