Disable moving of window

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Hi all,

I'm trying to disable the ability to drag a window around but I haven't seem to find the correct code for it.

The ones that I have found is to do check for the WM_NCHITTEST message and if it belongs to the title bar, shift it to something else. I was hoping for a more direct solution.

Thanks in advance!

Posted 10-Apr-12 14:55pm

amsga

Updated 13-Aug-21 18:03pm

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2 solutions

Solution 1

will this work for you WM_GETMINMAXINFO [^]

Posted 10-Apr-12 22:18pm

Chandrasekharan P

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amsga 15-Apr-12 23:20pm

This one only refers to size, I still need something to prevent users from dragging the window in different positions.

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amsga · Accepted Answer · 2012-04-23T17:17:00

Managed to to solved this.

Using the OnMoving function and ON_WM_MOVING message, just change the values of the function parameter of the LPRECT to the current window size.

C++

void MyClass::OnMoving(UINT nSide, LPRECT lpRect)
{
	CDialog::OnMoving(nSide, lpRect);

	// TODO: Add your message handler code here and/or call default
	
	// Find Current location of the dialog
	CRect CurRect;
	GetWindowRect(&CurRect);

	// Set current location as the moving location
	lpRect->left = CurRect.left;
	lpRect->top = CurRect.top;
	lpRect->right = CurRect.right;
	lpRect->bottom = CurRect.bottom;
}