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I tried to just change the link in the original message, but it wouldn't work so here it is again: http://www.c-sharpcorner.com/Code/2003/Dec/CustomInstallMG.asp[^]
There was a trailing slash for some reason.
-Matt
------------------------------------------
The 3 great virtues of a programmer:
Laziness, Impatience, and Hubris.
--Larry Wall
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The link works now
Thanks a lot!
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The link works now.
Thanks a lot!
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Hi,
I'm trying to achieve IE style Back/Forward Button control in a windows form. Does Visual Studio.Net has this built in ?
That is, if you look at Internet Explorer, the Back Button actually has two parts. The back button itself, and then the downward arrows is actually a drop-down form. So, a two-in-one control.
Please Advice.
Stanley
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.NET 2.0 (currently in open beta) has this in the form of a ToolBarButton.
Any remotely useful information on my blog will be removed immediately. There are 10 kinds of people in the world. Those who have heard of the ubiquitous, overused, worn-out-like-an-old-shoe binary "joke" and those who haven't.
Judah Himango
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Hello,
I'm looking for a checked combobox which I can use on a search form.
Basically I want to search for "items" with one or more statuses and using a checked combobox would be a compact way of allowing users to do that.
But I haven't found one yet... Couldn't even find one on CodeProject 
Anyone seen one out there?
Thanks in advance,
Daffrey
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First off, I've got to say that you should really do a web search before asking questions. This is not hard to find. Google is your friend.
That being said, there is a native control in .NET called CheckedListBox. It isn't a combo, but will get the job done. Having checkboxes in a combo is a little counter intuitive, anyhow (which is why Microsoft doesn't provide one). Take a look here to learn more about the CheckedListBox: http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vbcon/html/vboricheckedlistboxctltasks.asp[^]
-Matt
------------------------------------------
The 3 great virtues of a programmer:
Laziness, Impatience, and Hubris.
--Larry Wall
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Thanks for the reply.
Google normally is my friend and I always turn to it first before posting questions anywhere, but I have searched on Google several times trying to find a checked combobox for .NET and have come up with zero every time.
I've searched on 'checked combobox', 'checked combobox .net', '"checked combobox" .net'.
I've found references to checked comboboxes for Access and there are several C++ versions around, and COM components around but I still haven't found one written in C# or VB.NET.
I'm sure there is one out there somewhere for .NET.
As for the CheckedListBox, I already know about that but it is not what I am after... Although I may yet have to utilise it by displaying it when a button is clicked on to simulate a drop down.
By the way...what is counter intuitive about a checked combobox? As long is there are not too many entries they are very good and for my purposes there wouldn't be anymore than 30 items.
Don't get me started on what Microsoft provide in their "Standard Control" offerings... they can't even get a DatePicker (Handling Null Dates) or a TabControl (Can't hide tabs, Can only insert tabs at the end) right in .NET .
Anyhoot,
The search goes on...
Daffrey
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I guess the bottom line is that if you don't like the Microsoft way, you've gotta write your own.
Good luck.
-Matt
------------------------------------------
The 3 great virtues of a programmer:
Laziness, Impatience, and Hubris.
--Larry Wall
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Hi,
I want to create a gradient toolbar, which inherrits from System.Windows.Forms.ToolBar.
The gradient is drawn correctly, but unfortunately it covers all buttons I've added to the toolbar... so I got the gradient but no displayed buttons at all.
Here's my code (GradientToolBar.cs) :
using System;<br />
<br />
using System.ComponentModel;<br />
using System.Drawing.Drawing2D;<br />
using System.Windows.Forms;<br />
<br />
namespace Controls<br />
{<br />
public class GradientToolBar : System.Windows.Forms.ToolBar <br />
{<br />
<br />
<br />
private System.ComponentModel.Container components = null;<br />
private Color gradientColorA = SystemColors.Control;<br />
private Color gradientColorB = Color.LightGray;<br />
private LinearGradientMode gradientMode = LinearGradientMode.Vertical;<br />
<br />
public Color ColorA<br />
{<br />
get { return gradientColorA; }<br />
set { gradientColorA = value; }<br />
}<br />
<br />
public Color ColorB<br />
{<br />
get { return gradientColorB; }<br />
set { gradientColorB = value; }<br />
}<br />
<br />
public LinearGradientMode GradientDrawMode<br />
{<br />
get { return gradientMode; }<br />
set { gradientMode = value; }<br />
}<br />
<br />
public GradientToolBar()<br />
{<br />
InitializeComponent();<br />
this.SetStyle(System.Windows.Forms.ControlStyles.UserPaint, true);<br />
}<br />
<br />
protected override void Dispose( bool disposing )<br />
{<br />
if( disposing )<br />
{<br />
if(components != null)<br />
{<br />
components.Dispose();<br />
}<br />
}<br />
base.Dispose( disposing );<br />
}<br />
<br />
protected override void OnPaint(PaintEventArgs e)<br />
{<br />
Rectangle rectangle = new Rectangle(0, 0, this.Width, this.Height);<br />
Brush brush = new LinearGradientBrush(rectangle, gradientColorA, gradientColorB, gradientMode);<br />
e.Graphics.FillRectangle(brush, rectangle);<br />
}<br />
<br />
#region Component Designer generated code<br />
private void InitializeComponent()<br />
{<br />
components = new System.ComponentModel.Container();<br />
}<br />
#endregion<br />
}<br />
}
Can anybody help me with this prob??
Thanks in advance! 
Kind regards
dmatz
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Ahh i know your problem...when you choose to override onpaint...you choose to handle all drawing of the visual appearence of the control...what you must do is draw all the items in the controls collection manually in your onpaint function after drawing the background gradient so they appear ontop.
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Hi, thank you for your answer
That's what I thought, too.
But I got no idea, how to draw it on each toolbar button correctly, so that the buttons AND the background are drawn with the gradient.
The buttons got always the form's background while toolbar is drawn with the gradient.
Can you/anybody give me an example how to do that?
Kind regards
dmatz
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got it 
If somebody's interested ... contact me!
Kind regards
dmatz
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this will look better in vs.net when you collapse all the regions
#region Using Directives<br />
<br />
using System;<br />
using System.Drawing;<br />
using System.ComponentModel;<br />
using System.Drawing.Drawing2D;<br />
using System.Windows.Forms;<br />
<br />
#endregion<br />
<br />
namespace Controls<br />
{<br />
public class GradientToolBar : System.Windows.Forms.ToolBar<br />
{<br />
#region autostuff<br />
<br />
private System.ComponentModel.Container components = null;<br />
private Color gradientColorA = SystemColors.Control;<br />
private Color gradientColorB = Color.Green;
private LinearGradientMode gradientMode = LinearGradientMode.Vertical;<br />
<br />
#region Component Designer generated code<br />
private void InitializeComponent()<br />
{<br />
components = new System.ComponentModel.Container();<br />
}<br />
#endregion<br />
<br />
protected override void Dispose( bool disposing )<br />
{<br />
if( disposing )<br />
{<br />
if(components != null)<br />
{<br />
components.Dispose();<br />
}<br />
}<br />
base.Dispose( disposing );<br />
}<br />
<br />
#endregion<br />
<br />
#region properties<br />
<br />
public Color ColorA<br />
{<br />
get { return gradientColorA; }<br />
set { gradientColorA = value; }<br />
}<br />
<br />
public Color ColorB<br />
{<br />
get { return gradientColorB; }<br />
set { gradientColorB = value; }<br />
}<br />
<br />
public LinearGradientMode GradientDrawMode<br />
{<br />
get { return gradientMode; }<br />
set { gradientMode = value; }<br />
}<br />
<br />
#endregion<br />
<br />
#region variables<br />
<br />
private bool mouse_down;<br />
private int last_selected_button;<br />
<br />
#endregion<br />
<br />
#region initializer<br />
public GradientToolBar()<br />
{<br />
InitializeComponent();<br />
<br />
SetStyle(ControlStyles.UserPaint, true);<br />
SetStyle(ControlStyles.AllPaintingInWmPaint, true);<br />
SetStyle(ControlStyles.DoubleBuffer, true);<br />
<br />
<br />
this.last_selected_button = -1;<br />
this.mouse_down = false;<br />
}<br />
<br />
#endregion<br />
<br />
#region overrides<br />
protected override void OnPaint(PaintEventArgs e)<br />
{<br />
DrawGradientOnARectangle(e.Graphics, new Rectangle(0, 0, this.Width, this.Height), this.gradientColorA, this.gradientColorB, this.gradientMode);<br />
<br />
for(int i = 0; i < this.Buttons.Count; i++)<br />
{<br />
if(this.Buttons[i].Pushed || this.Buttons[i].PartialPush)<br />
DrawGradientOnARectangle(e.Graphics, this.Buttons[i].Rectangle, Color.Red, Color.Blue, this.gradientMode);<br />
<br />
DrawBorderOfARectangle(e.Graphics,this.Buttons[i].Rectangle); <br />
<br />
if(this.ImageList != null)<br />
DrawImageInRectangle(e.Graphics,this.Buttons[i].Rectangle,this.ImageList.Images[this.Buttons[i].ImageIndex]);<br />
<br />
DrawTextInRectangle(e.Graphics,this.Buttons[i].Rectangle,this.Buttons[i].Text);<br />
}<br />
}<br />
<br />
protected override void OnPaintBackground(PaintEventArgs pevent)<br />
{<br />
}<br />
<br />
protected override void OnResize(System.EventArgs e)<br />
{<br />
this.Refresh();<br />
base.OnResize (e);<br />
}<br />
<br />
protected override void OnMouseDown(MouseEventArgs e)<br />
{ <br />
this.mouse_down = true;<br />
PushThisButton(e.X,e.Y);<br />
base.OnMouseDown (e);<br />
}<br />
<br />
protected override void OnMouseUp(MouseEventArgs e)<br />
{<br />
this.mouse_down = false;<br />
UnPushAllButtons();<br />
base.OnMouseUp (e);<br />
}<br />
<br />
protected override void OnMouseMove(MouseEventArgs e)<br />
{<br />
if(this.Buttons == null || !this.mouse_down || this.last_selected_button == -1)<br />
return;<br />
<br />
if(e.Y >= this.Buttons[this.last_selected_button].Rectangle.Top && e.Y <= this.Buttons[this.last_selected_button].Rectangle.Bottom)<br />
{<br />
if(e.X <= this.Buttons[this.last_selected_button].Rectangle.Right && e.X >= this.Buttons[this.last_selected_button].Rectangle.Left)<br />
this.Buttons[this.last_selected_button].Pushed = true;<br />
}<br />
<br />
else<br />
UnPushAllButtons();<br />
<br />
base.OnMouseMove (e);<br />
}<br />
<br />
#endregion<br />
<br />
#region functions<br />
<br />
private void UnPushAllButtons()<br />
{<br />
for(int i = 0; i < this.Buttons.Count; i++)<br />
{<br />
if(this.Buttons[i].Pushed || this.Buttons[i].PartialPush)<br />
{<br />
this.Buttons[i].Pushed = false;<br />
this.Buttons[i].PartialPush = false;<br />
break;
}<br />
}<br />
}<br />
<br />
private void PushThisButton(int X, int Y)<br />
{<br />
for(int i = 0; i < this.Buttons.Count; i++)<br />
{<br />
if(Y >= this.Buttons[i].Rectangle.Top && Y <= this.Buttons[i].Rectangle.Bottom)<br />
{<br />
if(X <= this.Buttons[i].Rectangle.Right && X >= this.Buttons[i].Rectangle.Left)<br />
{<br />
this.Buttons[i].Pushed = true;<br />
this.last_selected_button = i;<br />
break;
}<br />
}<br />
}<br />
}<br />
<br />
private void DrawBorderOfARectangle(Graphics g, Rectangle rect)<br />
{<br />
using(SolidBrush sb = new SolidBrush(Color.Blue))<br />
{<br />
using(Pen p = new Pen(sb,1))<br />
{<br />
g.DrawRectangle(p,rect); <br />
}<br />
}<br />
}<br />
<br />
private void DrawImageInRectangle(Graphics g, Rectangle rect, Image pic)<br />
{<br />
PointF top_left_point_of_centered_spot_for_image = new PointF((rect.Width - pic.Width)/2F,(rect.Height - pic.Height)/2F);<br />
g.DrawImage(pic,top_left_point_of_centered_spot_for_image);<br />
}<br />
<br />
private void DrawTextInRectangle(Graphics g, Rectangle rect, string text)<br />
{<br />
if(text == "")<br />
return;<br />
<br />
SizeF word_size = g.MeasureString(text, this.Font, 32768, StringFormat.GenericTypographic);<br />
<br />
PointF top_left_point_of_centered_at_bottom_text = new PointF(rect.Left + (rect.Width - word_size.Width)/2F, rect.Bottom - (rect.Width - word_size.Height));<br />
<br />
using(SolidBrush sb = new SolidBrush(Color.Orange))<br />
{<br />
g.DrawString(text, this.Font, sb, top_left_point_of_centered_at_bottom_text,StringFormat.GenericTypographic);<br />
}<br />
}<br />
<br />
private void DrawGradientOnARectangle(Graphics g, Rectangle rect, Color GradientA, Color GradientB, LinearGradientMode GradientMode)<br />
{<br />
using(LinearGradientBrush lgb = new LinearGradientBrush(rect,GradientA,GradientB,GradientMode))<br />
{<br />
g.FillRectangle(lgb, rect);<br />
}<br />
}<br />
<br />
#endregion<br />
}<br />
}
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AHH!! codeproject killed all my xml summary blocks...NOOO
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Hi,
I thank you for working on this topic, but your solution seems to be very complicated, I think. The way I solved this problem is much easier.
My derived ToolBar class contains only one overridden event and it has full designer supported text, image and gradient props
I really worked hard on it, but my result is worth its effort.
I'm gonna publish an article on codeproject about this soon.
I just need to make some little improvements, and it's done 
Watch out for it!
Kind regards
dmatz
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if I have a main program named Program.cs and a dynamically loaded dll named bot.dll how can I call methods in Program.cs.
please help me cause I want to create a programming game if anyone has a sample please reply
thank you in advance!
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I want to call methods in program.cs from bot.dll
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I guess It's like the same as including methods from the user32.dll:
[DllImport("user32.dll", EntryPoint = "SendMessage", CharSet = CharSet.Auto, CallingConvention = CallingConvention.Winapi)]
private static extern int SendMessage(IntPtr hWnd, int uMsg, int wParam, IntPtr lParam);
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I created a own datatype called ID. Now I want to have a function which converts a string into an ID. So I thought it would be the best to kind of append a method to the System.Convert class, so that I can simply call it with Convert.ToID("somewhat");
Is that possible?
P.S.: Sorry for asking so much ^^
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See MSDN[^]. This should be what you are looking for.. Changes in .NET classes are possible, bt I don't like this idea (in this case). Why not to make static function ID.FromString(string s)?
And hey! It is in Convert class... MSDN[^]
hmm thats cool!
TyronX wrote:
P.S.: Sorry for asking so much ^^
nah... how would we earn gold memberships, etc.? :P Plus from some question (like this one) I learnt something new.. isn't iot great? 
best regards,
David 'DNH' Nohejl
Never forget: "Stay kul and happy" (I.A.)
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dnh wrote:
See MSDN[^]. This should be what you are looking for..
I don't think so. He wants to convert a string into his own type (FromString()) not the other way round (which would be IConvertible.ToString()).
dnh wrote:
Changes in .NET classes are possible, bt I don't like this idea (in this case).
How would you do that?
dnh wrote:
nah... how would we earn gold memberships, etc.?
Best regards
Dennis
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Dennis C. Dietrich wrote:
I don't think so. He wants to convert a string into his own type
 you are right! [edit]what's even worse I actually told him to have stg like ID.FromString() so I understood bt just said bs then  [/edit]
Dennis C. Dietrich wrote:
How would you do that?
Sorry. I was very inaccurate. I meant deriving from .NET classes (do not apply to Convert). [psst i didn't say that]change rotor & recompile [/psst]
thx for correcting me.
(how come I haven't included "what I say CAN be bullsh" yet into my sig- I was really thinking about it!)
David
Never forget: "Stay kul and happy" (I.A.)
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dnh wrote:
how come I haven't included "what I say CAN be bullsh" yet into my sig- I was really thinking about it!
Don't bother! Otherwise everybody here would have to include that. Well, maybe everybody except for Heath Stewart. 
Best regards
Dennis
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