PolyBtn

Description

Short story: Create an irregularly shaped UserControl by generating a MaskPicture at runtime.

Longer description from old site: click here.

To be edited...

Published

This sample, or the one from which it originally derived, was published (or at least peripherally mentioned) in the following article(s):

Solve These Irregular Problems, Ask the VB Pro, VBPJ, September 1998

APIs Usage

This sample uses the following API calls:

Module Library Function

CPolygon.cls gdi32

kernel32
olepro32
user32

BitBlt
CreateBitmap
CreateCompatibleDC
DeleteDC
DeleteObject
GetObject
GetStockObject
Polygon
SelectObject
RtlMoveMemory
OleCreatePictureIndirect
FillRect
GetDC
GetDesktopWindow
ReleaseDC

PolyButton.ctl gdi32
user32 Polygon
GetSysColor

Don't see what you're looking for? Here's a complete API cross-reference.

Module	Library	Function
CPolygon.cls	gdi32 kernel32 olepro32 user32	BitBlt CreateBitmap CreateCompatibleDC DeleteDC DeleteObject GetObject GetStockObject Polygon SelectObject RtlMoveMemory OleCreatePictureIndirect FillRect GetDC GetDesktopWindow ReleaseDC
PolyButton.ctl	gdi32 user32	Polygon GetSysColor

Download

Please, enjoy and learn from this sample. Include its code within your own projects, if you wish. But, in order to insure only the most recent code is available to all, I ask that you don't share the sample by any form of mass distribution.
Download PolyBtn.zip, 7Kb, Last Updated: Friday, August 14, 1998