I'd like to create a roulette game, and I've made a PictureBox with an image of a roulette table.
I've tried to set Visibility = False in the property and in code:
pictureBox1.Visible = !pictureBox1.Visible;
But when I click on the hidden PictureBox, nothing happens.
Do you have any idea how to make it work?
I want to make it visible from being invisible, by clicking on it.
Once you make the visibility of an Item false, it can no longer be clicked. You can handle the click event on the form or container level, check that the mouse coordinates are contained in the bounds of the PictureBox and use that to make it visible again.
i.e.
//Common eventhandler assigned to all of your PictureBox.Click Events
private void pictureBox_Click(object sender, EventArgs e)
{
((PictureBox)sender).Visible = false;
}
private void Form1_Click(object sender, EventArgs e)
{
foreach (var item in this.Controls) // or whatever your container control is
{
if(item is PictureBox)
{
PictureBox pb = (PictureBox)item;
if (pb.Bounds.Contains(PointToClient( MousePosition)))
{
pb.Visible = true;
}
}
}
}
Problem with your logic is that once the PictureBox is made invisible, you can no longer click it anymore, since it's no longer on the form, and while you can for sure click the empty space it left, you're still not clicking it.
A possibility would be to, instead of making visible/invisible, to put/remove its background picture, so it appears to have disappeared but in fact it's still there, still able to receive clicks and respond to events.
If you want to make the pictureBox1 not visible, you would write pictureBox1.Visible = false;
Edit: What you are doing should work. I created a winform and put a picture box in it. I double clicked the picture box to make Click event handler and typed pictureBox1.Visible = !pictureBox1.Visible;. When I debug the program and click on the picture box, it turns invisible. I can't think of why it isn't working for you.
Edit: I understand what you want now. To make it visible on the click of it when it is invisible. Unfortunately I don't know how to do that.
A maybe-silly but simple way might be to put one picture box on top of the other. pictureBox1 would be your picture, pictureBox2 would have no picture. Then you could do something like this:
private void pictureBox1_Click(object sender, EventArgs e)
{
pictureBox1.Visible = false;
pictureBox2.Visible = true;
}
private void pictureBox2_Click(object sender, EventArgs e)
{
pictureBox1.Visible = true;
pictureBox2.Visible = false;
}
You could put each of your PictureBox controls in a Panel control. Then handle the Click event of both the Panel and the PictureBox.
private void panel1_Click(object sender, EventArgs e)
{
pictureBox1.Visible = true;
}
private void pictureBox1_Click(object sender, EventArgs e)
{
pictureBox1.Visible = false;
}
Related
I'm doing some kind of a pixel film editor and my problem there is that I am using Labels which I have to click individually to change their color, I would like to change the color by holding down the mouse button and just hovering above the Label.
Is there any Event or such to do so? I didn't find one. At the moment I am using Mouse_Down.
A look on the Editor
my Mouse_Down Event:
private void Mouse_Down(object sender, MouseEventArgs e)
{
var ActiveLabel = sender as Label;
if (ActiveLabel != null)
{
ActiveLabel.BackColor = ActiveColor.BackColor;
}
}
So I want it like on GIMP or stuff, to not click any single "pixel" but instead click and hold the mouse button and move it around and color all pixels I move over whilst my mouse is pressed.
Here's the idea:
You have a flag (boolean) which indicates whether the user is currently painting or not. If the mouse hovers over a label (event MouseEnter), you check whether it should be painted or not. If it shall be painted, you apply the code you already have.
bool paintmode = false;
// Assign this to all labels, since you don't know
// where the user will start painting
private void Mouse_Down(object sender, MouseEventArgs e)
{
paintmode = true;
}
// Make sure you assign this to all items, even the Form
// as you'll never know where the user will release the mouse
private void Mouse_Up(object sender, MouseEventArgs e)
{
paintmode = false;
}
// Assign this only to labels which can get painted
private void Mouse_Enter(object sender, MouseEventArgs e)
{
if (paintmode)
{
var ActiveLabel = sender as Label;
if (ActiveLabel != null)
{
ActiveLabel.BackColor = ActiveColor.BackColor;
}
}
}
Im working in WinForms I have 4 buttons on my form. I want to be able to hover my mouse over it and change the FlatStyle from Flat to System.
My code transforms all the buttons to System Style when you hover your mouse over it, that's not exactly what i had in mind.
All the buttons should remain flat until you hover over them. If you hover off the button it should turn back into flat button
private void All_Button_Hover_MouseHover(object sender, EventArgs e)
{
btn_Back.FlatStyle = FlatStyle.System;
Btn_Forward.FlatStyle = FlatStyle.System;
btn_Print.FlatStyle = FlatStyle.System;
btn_Open.FlatStyle = FlatStyle.System;
}
Here's a suggestion of how you could handle this.
You're already setting all the buttons in a single event method, which is fine. Since the button that triggered the event is stored in sender, you could just use that:
private void All_Button_Hover_MouseHover(object sender, EventArgs e)
{
((Button)sender).FlatStyle = FlatStyle.System;
}
To change the buttons back to the original FlatStyle.Flat style, you'll probably want to subscribe all of their MouseLeave events to a method as well:
private void All_Button_Hover_MouseLeave(object sender, EventArgs e)
{
((Button)sender).FlatStyle = FlatStyle.Flat;
}
I have the following problem: I have a panel which has a specific color, say red.
When the user presses his mouse, the color of this panel gets stored in a variable. Then the user moves, his mouse still pressed, over to another panel. When he releases the mouse there, this panel should get the background color of the first that had been stored in the variable. My code looks something like this:
public Color currentColor;
private void ColorPickMouseDown(object sender, MouseEventArgs e)
{
Panel pnlSender = (Panel)sender;
currentColor = pnlSender.BackColor;
}
private void AttempsColorChanger(object sender, MouseEventArgs e)
{
Panel pnl = (Panel)sender;
pnl.BackColor = currentColor;
}
I need to identify the sender first because there are many possible panels that can trigger this event. The first MouseDown method works totally fine, the color is stored nicely in the variable. The secon one however doesn't even get triggered when the user does what I described above. When the ser clicks on the second panel, it works (there is an MouseUp part in a click aswell I guess).
What's wrong here? Why is the event not triggered when the user holds the mouse key down before?
(This answer assumes you are using Windows Forms.)
It could be that you need to capture the mouse by setting this.Capture = true in the MouseDown of the source control. (See Control.Capture)
If you did that, the source window would get the MouseUp event, and it would be the source window that had to determine the destination window under the mouse coords. You can do that using Control.GetChildAtPoint() (see this answer on Stack Overflow).
Use Windows Forms Drag and Drop Support Instead! <- Click for more info
I'm going to suggest you bite the bullet and use the .Net Drag and Drop methods to do this. It requires some reading up, but it will be much better to use it.
You start a drag in response to a MouseDown event by calling Control.DoDragDrop().
Then you need to handle the Control.DragDrop event in the drop target control.
There's a few more things you might need to do to set it up; see the Control.DoDragDrop() documentation for an example.
(For WPF drag and drop support, see here.)
when your mouse enter the target control , mouse down triggerd ang get target BackColor! you need add an boolean flag to your code :
public Color currentColor;
bool flag=false;
private void ColorPickMouseDown(object sender, MouseEventArgs e)
{
if(flag==false)
{
flag=true
Panel pnlSender = (Panel)sender;
currentColor = pnlSender.BackColor;
}
}
//assume mouse up for panles
private void AttempsColorChanger(object sender, MouseEventArgs e)
{
if(flag==true)
{
Panel pnl = (Panel)sender;
pnl.BackColor = currentColor;
flag=flase;
}
}
and also you need change your flag in mouseMove( if )
As I mentioned in my comment Mouse Events are captured by the originating control, You would probably be better off using the DragDrop functionality built into Windows Forms. Something like this should work for you. I assigned common event handlers, so they can be assigned to all of your panels and just work.
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void panel_MouseDown(object sender, MouseEventArgs e)
{
((Control)sender).DoDragDrop(((Control)sender).BackColor,DragDropEffects.All);
}
private void panel_DragDrop(object sender, DragEventArgs e)
{
((Control)sender).BackColor = (Color)e.Data.GetData(BackColor.GetType());
}
private void panel_DragEnter(object sender, DragEventArgs e)
{
e.Effect = DragDropEffects.Copy;
}
}
I know it's an old question but I had the same issue and none of the above answers worked for me. In my case I had to handle the MouseMove event in the target control and check for the mouse to be released. I did set 'BringToFront' on my target panel just in case that helped at all.
public Color currentColor;
private void ColorPickMouseDown(object sender, MouseEventArgs e)
{
Panel pnlSender = (Panel)sender;
currentColor = pnlSender.BackColor;
}
private void panelTarget_MouseMove(object sender, MouseEventArgs e)
{
//the mouse button is released
if (SortMouseLocation == Point.Empty)
{
Panel pnl = (Panel)sender;
pnl.BackColor = currentColor;
}
}
I am new to C# and I want to design a GUI for a image processing application in c#. I have a very basic rudimentary layout designed as shown below
Here, the image plane is fixed and it will show a live stream video. I have designed all the buttons frame and the side panel. But I do not know how to dynamically change the side panel for each button I click. For example, If I click button1_1, I want some things in the side panel and for button1_2, some other things in it. How do I go about doing it.
EDIT:
Thanks for the answers. I see tab controls is an option. But I want a new panel evertime a click a button. which can further open forms. Is it possible?
OK, let's see. It's easy to do with "TabControl" or array of "Panel"s.
1.Do it with TabControl.
You can design GUI in TabControl in multiple subTabs(if you don't know how please ask.). Then you change it in button click event, to make subTab you wanna show(which means make it visiable and not visiable for other subTabs.)
2.Do it with array of panel.
You can use panel[] panels. In button click event, you hide other panels and show the one you want.
Hope answer helps you!
private void button1_Click(object sender, EventArgs e)
{
tabControl1.SelectedIndex = 0;
tabControl1.TabPages[0].Text = "First";
}
private void button2_Click(object sender, EventArgs e)
{
tabControl1.SelectedIndex = 1;
}
private void button3_Click(object sender, EventArgs e)
{
tabControl1.SelectedIndex = 2;
}
you may want to add split container in your form.
Create UserControl for each buttons.
Code for the button click event
//Button1Click Event
private void button1_Click(object sender, EventArgs e)
{
UserControl1 m_UserControl = new UserControl1();
splitContainer1.Panel2.Controls.Clear();
splitContainer1.Panel2.Controls.Add(m_UserControl);
}
//Button2Click Event
private void button2_Click(object sender, EventArgs e)
{
UserControl2 m_Usercontrol2 = new UserControl2();
splitContainer1.Panel2.Controls.Clear();
splitContainer1.Panel2.Controls.Add(m_Usercontrol2);
}
you can do this if you want to change what usercontrol display in a panel at run time.
Correct me if i misunderstood your question.
In WinForms, you could use a tab control and just change the selected tabs index when a button is pressed. More specifically, when its click event is fired. Here is a good tutorial on using the TabControl and here is a tutorial on wiring up click events.
EDIT:
This is a better tutorial.
Since you can't hide the tabs of a tabcontrol without using WPF, you may need to use something else, if you don't like the way they look. A good workaround if you only have a couple of buttons and thus views, would be to use panels. When button one is clicked show panel one and hide panel two, etc. Here would be the code:
private void button1_Click(object sender, EventArgs e)
{
pane2.visible = false;
pane1.visible = true;
}
private void button2_Click(object sender, EventArgs e)
{
pane1.visible = false;
pane2.visible = true;
}
Hope this helps you!
I have a button on my WinForms app that I want to be invisible until the user moves his mouse over the button. Then they could click it. If the mouse leaves the button, it needs to be hidden again. The button.Visible parameter makes the button completely inaccessible and disables the mouse over. Any ideas or other button parameters I could use?
This currently does not work:
private void settingButton_MouseEnter(object sender, EventArgs e)
{
settingButton.Visible = true;
}
private void settingButton_MouseLeave(object sender, EventArgs e)
{
settingButton.Visible = false;
}
This issue was brought up and answered here:
C# WinForms MouseHover and MouseLeave problem
private void Form_MouseMove(object sender, MouseEventArgs e) {
if(settingButton.Bounds.Contains(e.Location) && !settingButton.Visible) {
settingButton.Show();
}
}