Programming Forums > Application Development > C#

Robocop · Jun 30th, 2007, 2:15 PM

I'm just trying to make a toolstrip button switch to another background color with MouseEnter.

What I did was double click the buton and this threw me to the code window, so I just changed the Click event to MouseEnter, and it's not working on MouseEnter.

Wish somebody can give me some help on this.
Thanks

[PHP] private void PayrollToolStrip_MouseEnter(Object sender, EventArgs e)
{
PayrollToolStrip.BackColor = Color.White;

}[/PHP]

Samuaijack · Jun 30th, 2007, 2:50 PM

the 'O' of object shouldn't be capitalized(don't know if this is the write word) here is what i mean is:

(Toggle Plain Text)

private void PayrollToolStrip_MouseEnter(object sender, EventArgs e)
        {
            PayrollToolStrip.BackColor = Color.White;

        }

Dameon · Jun 30th, 2007, 5:59 PM

Events are not done by name. The handler could just as easily be named 'foo.' The only thing that matters is that the handler is properly added to the event. When using the visual designer this is hidden from you. It creates a handler, with the name TheObject_Event just as convention, but also adds something along the lines of

TheObject.Event += new MyEventHandler(TheObject_Event)

The Click handler is only the default event for most controls. To wire up an event of your choosing, you must select the control and click the Events button. Or you could change it manually in the form initialization code. Your choice.

Random-Spirit · Jul 1st, 2007, 7:29 AM

>the 'O' of object shouldn't be capitalized

Rubbish. C# has in inbuilt type called object that is a synonym for System.Object. Just like int is a synonym for System.Int32.

If you say "using System;" at the top of your code (like most people do) then System.Object will be available, so it does not make a difference if you caplitablise the O or not. The compiler does not care if you use the real .net types from the System namespace or the C# keywords that are aliases for those types. In the end it generates the same IL.

Robocop · Jul 1st, 2007, 5:32 PM

Thanks, very helpful guys

Jun 30th, 2007, 2:15 PM	#1
Robocop Programmer Join Date: Sep 2004 Posts: 50 Rep Power: 5	C# MouseEnter Event I'm just trying to make a toolstrip button switch to another background color with MouseEnter. What I did was double click the buton and this threw me to the code window, so I just changed the Click event to MouseEnter, and it's not working on MouseEnter. Wish somebody can give me some help on this. Thanks [PHP] private void PayrollToolStrip_MouseEnter(Object sender, EventArgs e) { PayrollToolStrip.BackColor = Color.White; }[/PHP]

Jun 30th, 2007, 2:50 PM	#2
Samuaijack Programmer Join Date: Jul 2006 Location: using Earth.Africa.Egypt.Cairo; Posts: 76 Rep Power: 3	the 'O' of object shouldn't be capitalized(don't know if this is the write word) here is what i mean is: (Toggle Plain Text) private void PayrollToolStrip_MouseEnter(object sender, EventArgs e) { PayrollToolStrip.BackColor = Color.White; } private void PayrollToolStrip_MouseEnter(object sender, EventArgs e) { PayrollToolStrip.BackColor = Color.White; }

Jun 30th, 2007, 5:59 PM	#3
Dameon Troll Join Date: Apr 2005 Location: Texas Posts: 732 Rep Power: 4	Events are not done by name. The handler could just as easily be named 'foo.' The only thing that matters is that the handler is properly added to the event. When using the visual designer this is hidden from you. It creates a handler, with the name TheObject_Event just as convention, but also adds something along the lines of TheObject.Event += new MyEventHandler(TheObject_Event) The Click handler is only the default event for most controls. To wire up an event of your choosing, you must select the control and click the Events button. Or you could change it manually in the form initialization code. Your choice. __________________ MD5(sig) = bcef75433db02e9ad9bf81d6f7c5c270

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Jul 1st, 2007, 7:29 AM	#4
Random-Spirit Unverified User Join Date: Jul 2007 Location: England Posts: 22 Rep Power: 0	>the 'O' of object shouldn't be capitalized Rubbish. C# has in inbuilt type called object that is a synonym for System.Object. Just like int is a synonym for System.Int32. If you say "using System;" at the top of your code (like most people do) then System.Object will be available, so it does not make a difference if you caplitablise the O or not. The compiler does not care if you use the real .net types from the System namespace or the C# keywords that are aliases for those types. In the end it generates the same IL.

Jul 1st, 2007, 5:32 PM	#5
Robocop Programmer Join Date: Sep 2004 Posts: 50 Rep Power: 5	Thanks, very helpful guys

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Programming Forums > Application Development > C#

C# MouseEnter Event