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Drag object not updating when scrolling source window with SendMessage
Hi, What I'm trying to do is get the form to scroll when i'm dragging any object near it's border. I've done this by capturing the mouse position testing if it's near the border and using: SendMessage(Hold->Handle,WM_VSCROLL,SB_LINEDOWN,0); SendMessage(Hold->Handle,WM_VSCROLL,SB_ENDSCROLL,0)...- ed0
- Thread
- Replies: 0
- Forum: Embarcadero: C++Builder
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Capturing wheel mouse event in C++ builder 3
When I run winsite32 and do a mouse wheel down this is the resulting message stream 00295.775 000113:000102C0 {TDBMemo} WM_USER+0xB938 Sent wp=01010043 lp=000102C0 00296.656 000114:000102C0 {TDBMemo} WM_0x20A Dispatched wp=FF880000 lp=00E501B4 00296.686 000115:000102C0 {TDBMemo}...- ed0
- Post #5
- Forum: Embarcadero: C++Builder
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Capturing wheel mouse event in C++ builder 3
Even if I click the top of the form it won't scroll with the wheel mouse. I'm currently on NT could that have anything to do with it? The issue i'm having is a little earlier in the chain. C++ Builder 3 simply does not have an OnMouseWheel event, I need to figure out a way to intercept the...- ed0
- Post #4
- Forum: Embarcadero: C++Builder
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Capturing wheel mouse event in C++ builder 3
For some reason the wheel mouse works on some components (treeviews) but not on my forms. I'm not sure which windows message to trap to catch the wheel mouse. I'm also trying to then scroll the form, I've tried using this->Perform(EM_SCROLL,SB_LINEDOWN,0); and...- ed0
- Thread
- Replies: 5
- Forum: Embarcadero: C++Builder
