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Owner-draw button

, 3 Feb 2003
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A button-derived class that makes push buttons looks like a toolbar buttons.

How the button looks on mouse leave event

How the button looks on mouse enter event

Introduction

I have always hated the so called "focused rectangle" Windows draws on push buttons having the focus. So I decided to derive my own class that does not display such a rectangle. Later I put an image support for the button and that's how it began.

Using the code

In the download is the whole solution, so you have just to unzip it and start Controls.sln and see all the files of the project (I suppose you have Visual Studio.NET). Then you may create your own push buttons from the "But" class. I supplied three different constructors for it. The first one uses a bitmap object to display on the button:

public But(string str, Bitmap bitmap, int cx, int cy)
{
    ResizeRedraw = true;            
    txt = str;//text caption of the button
    bmp = bitmap;//bitmap image to display
    bmp.MakeTransparent();
            
    MeasureSizes(cx, cy);//cx and cy are the desired width and height for the button
}
The next is working with icon:
public But(string str, System.Drawing.Icon ico, int cx, int cy, int IconWidth, int IconHeight)
{
    ResizeRedraw = true;            
    txt = str;
    ico = new Icon(ico, IconWidth, IconHeight);
    bmp = ico.ToBitmap();
    bmp.MakeTransparent();

    MeasureSizes(cx, cy);
}
And the last one (I use mostly) is without specifying cx and cy (in MeasureSizes function I supply the minimum size required for proper displaying of the button)
public But(string str, System.Drawing.Icon ico, int IconWidth, int IconHeight)
{
    ResizeRedraw = true;            
    txt = str;
    ico = new Icon(ico, IconWidth, IconHeight);
    bmp = ico.ToBitmap();
    bmp.MakeTransparent();

    MeasureSizes(Width, Height);
Well, that's it! I hope being useful with my owner-drawn buttonSmile | :)

License

This article has no explicit license attached to it but may contain usage terms in the article text or the download files themselves. If in doubt please contact the author via the discussion board below.

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About the Author

Georgi Atanasov
Team Leader Telerik Corp.
Bulgaria Bulgaria
.NET & C# addicted. Win8 & WinRT enthusiast and researcher @Telerik.
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Comments and Discussions

 
GeneralMy vote of 1 Pinmember12Monkeys20-Apr-09 22:19 
GeneralMy vote of 1 PinmemberChewsHumans8-Dec-08 12:34 
GeneralShorter Method PinmemberpraetorianCP19-Oct-05 18:04 
GeneralCould be a lot better PinmemberQuentin Pouplard14-Mar-03 6:28 
GeneralKeyboard PinmemberMav3113-Mar-03 22:47 
QuestionWhy hate the focus rectangle? Pinmemberector3-Mar-03 4:37 

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