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EvetsMostel · #1 (**permalink**) 04-09-2007

Has anyone devised a way to get mappoint to draw to another buffer other than the screen when using MP as an ActiveX control? The reason I need to do this is because I would like to have another window on top of it, but mappoint doesn't behave very well, and draws over everything without clipping.

EvetsMostel

**Wilfried** · #2 (**permalink**) 04-10-2007

Hi,

I'm not sure I understeand your question but you can have a hidden activeX component then it will draw not to the screen.

EvetsMostel · #3 (**permalink**) 04-11-2007

What I mean is this:
I am driving mappoint to zoom and pan where I want via an ActiveX interface and MFC (C++). This works fine. However, I want Mappoint to draw to an offscreen buffer instead of the screen, and then I want to copy that view to the screen with some changes. However, I've tried copying from the many windows that mappoint has (the DC), but I don't get anything if mappoint is not visible. I've tried using CopyMap and the clipboard, but that doesn't give me the current view, it just gives me a default view (in this case of the US). It also doesn't include pushpins I have added.

**Wilfried** · #4 (**permalink**) 04-13-2007

Hi,

You have to select an area (eventually the whole area of the view), the use the SelectedArea.Copy method.

Mouad · #5 (**permalink**) 04-25-2007

They are Sometime problems with the CopyMap Method?

I have a method that uses the SelectedArea.Copy method if Selection is not nothing and else CopyMap method like in the follwoing Code-Snippet:

If Not m_oMapPoint.ActiveMap.Selection Is Nothing Then
m_oMapPoint.ActiveMap.SelectedArea.Copy
Else
m_oMapPoint.ActiveMap.CopyMap
End If

In a a costumer-system (xp SP2) they seems to have sometimes problems with the clipboard after CopyMap.

Because then the experssion "m_oLEAD.Paste(PASTE_ISREADY) <> 0 " is false.

Did somebody had the same problems?

**Wilfried** · #6 (**permalink**) 04-26-2007

Hi,

What is: m_oLEAD.Paste(PASTE_ISREADY) ?

Mouad · #7 (**permalink**) 04-27-2007

That s the VB6 Lead Control.

**Wilfried** · #8 (**permalink**) 04-28-2007

Hi,

I have no idea what a lead control is, but what problem exacly do you have with the clipboard ? Also you say 'sometime', so under which circumstances ?

Mouad · #9 (**permalink**) 04-30-2007

They are no really special circunstances, the program is running in thousands of pcs, XP, win 2k3, win 2k. They are problems only by one customer, maybe a wrong installation of Mappoint?

**Wilfried** · #10 (**permalink**) 04-30-2007

Hi,

But what exacly is the problem with the clipboard ?
BTW it is not a Dell machine with Embassy Trust Suite installed ? If so uninstall the thing, it is very buggy.

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