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thodgson View Drop Down
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Joined: 11 August 2003
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Post Options Post Options   Thanks (0) Thanks(0)   Quote thodgson Quote  Post ReplyReply Direct Link To This Post Topic: Scrolling
    Posted: 19 January 2007 at 1:49pm
I have a View which is derived from the SyntaxEditorView class.  My class does not have a CDocument associated with it.
 
In the Syntax Editor control, I am loading a different file in the same control when the user changes what they are looking at. 
 
After a file is loaded and text inserted into the control.  I need to scroll to the bottom of the Syntax Editor window after a file is loaded for a "tail"-like behavior for log files.
 
To accomplish this, I have to do the following:
 
 GetEditCtrl().Scroll(0,0);
 GetEditCtrl().SetScrollRange(SB_VERT, 1, 1);
 GetEditCtrl().Scroll(0, pXTPSyntaxEditBufferManager->GetRowCount());
 int nPos = GetEditCtrl().GetScrollPos(SB_VERT);
 GetEditCtrl().GoToRow(nPos);
 GetEditCtrl().Scroll(0, nPos);
 
The problem is that if the previously loaded file is larger than the current file, the control is still retaining some old values that prevent the scrolling from working properly.
 
Perhaps this is a bug...or maybe my code will help someone else out.
 
Tim H(http://www.ExclamationSoft.com)
Product: Xtreme Toolkit v13.1
Platform: Vista(x64)-SP1
Language: Visual C++ 6.0
Currently: Satisfied w/ Toolkit
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sserge View Drop Down
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Joined: 01 December 2004
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Post Options Post Options   Thanks (0) Thanks(0)   Quote sserge Quote  Post ReplyReply Direct Link To This Post Posted: 19 January 2007 at 4:31pm
try adding:

GetEditCtrl().RecalcScrollBars();


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WBR,
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thodgson View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote thodgson Quote  Post ReplyReply Direct Link To This Post Posted: 20 January 2007 at 9:43am
Adding that seems to have no affect.
 
Not sure how that would allow me to scroll the the last line (bottom) of the file/document.
Tim H(http://www.ExclamationSoft.com)
Product: Xtreme Toolkit v13.1
Platform: Vista(x64)-SP1
Language: Visual C++ 6.0
Currently: Satisfied w/ Toolkit
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