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WM_SETTEXT problem

Posted on 1997-06-07
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Last Modified: 2013-12-03
In a win3.1 program I try to display the contents of a text file in a multiline edit control. I allocate memory using GlobalAlloc and GlobalLock without any problems. After this I read the text file in the buffer and try to display the text in the edit control using WM_SETTEXT. This works fine if the size of the text buffer is not larger than 30k. If it is larger WM_SETTEXT returns 0 and nothing is displayed in the edit control.
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Question by:mikel022697
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md041797 earned 300 total points
ID: 1397914
This is the limit of the buffer.  In order to make a larger text control, you must do your own implementation.  The reason for the limitation is the 64K segemnted addressing.
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by:mikel022697
ID: 1397915
< The reason for the limitation is the 64K segemnted addressing.

If the segmentation is 64k, why can the edit control display only 32k?
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by:md041797
ID: 1397916
Only Bill's compadres know for sure, but they probably use int for each character in the text.
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